Lithium ion battery charger työt

I need a system integration specialist with solid experience in Postman programming to apply their skills to our OKAI bike project. Tasks Include: 1. Status Updates - Postman programming is required to send updates regarding current bike statuses. 2. Battery Information Retrieval - You'll also be expected to program Postman to retrieve battery information effectively. Methodology: You'll be utilizing the OKAI Bike API for real-time reporting of both status updates and battery information. Essential Skills & Experience: - A deep understanding of Postman and API integration is necessary to complete the tasks. - Prior experience with the OKAI Bike API will be highly beneficial. Only freelancers with proven experience in the API Integration and Postm...

I need an expert to design a battery management system for motorcycle starting. The system should be efficient for a battery with less than 100Ah capacity. The primary features required include: - State of charge calculations - Battery health monitoring - Safety functionalities Ideal skills for the job would be strong experience in electronics design and a sharp understanding of battery management systems. Freelancers with prior experience in designing such systems, especially for motorcycle applications will be highly preferred. Please, when bidding, detail your experience in relevant areas.

I'm currently seeking an expert in lithium mining, who can provide a detailed project proposal for a medium-scale operation. Given this operation's magnitude, the freelancer should have substantial experience in drafting project proposals for mineral extraction operations, especially focused on lithium. Skills and Experience Needed: - Extensive knowledge and experience in lithium mining. - Proven track record in drafting detailed, effective project proposals. - Proficient understanding of the industry's standards and regulations, as well as the unique challenges and potential prospects within the lithium mining sector. - Experience in planning medium-scale mineral extraction operations would be highly favorable. Project Proposal Requirements: -...

I am looking for someone with experience in electronic board design to create an adjustable, timer-controlled vacuum pump. The objective of this board is for use within a volume-metered vacuum system. The precise requirements are: - An adjustable volume range. - A programmable timer system. - Ensuring reliable accuracy in measurement. -Rechargeable battery operated The desired maximum volume range for the vacuum pump should be between 5 - 15 Lpm. Your background in IoT devices will be a direct fit for this project, and your understanding of home automation and robotics will give a broader perspective to meet my needs. If you are detail-oriented and can deliver high-quality work, this project is for you.

I'm seeking an experienced engineer or technician to retrofit my towed sweeper. It currently leverages a tractor PTO and needs to be converted to an electric motor using battery as power source. Key requirements are: - Implement a medium powered electric motor (51-100 Horsepower) - The system should be designed to withstand high temperature and dust conditions - Careful consideration of battery life, considering conditions and required power Ideal candidates will have experience in agricultural machinery and electrical engineering. Knowledge on battery-powered systems is a big plus. Deadline oriented professionals will be highly regarded.

I require a creative and professional freelancer to design a logo for an EU battery industry project nicknamed "ReCell". The focus of the project is on the zero-waste concept, and the logo should effectively convey this message. As a client: • I prefer a green and yellow color scheme, and maybe pink. • I am looking for a typographic logo. • The name "ReCell" should be prominently featured in the design. The ideal candidate for this job is someone with a background in graphic design, particularly in logo creation, who can develop a logo that is both visually appealing and effective in communicating the project's objective. Skills and experience: • Graphic Design • Logo Design • Typography • Creativity and originality ...

I am seeking an experienced Altium designer to create a small PCB for a battery-powered hand heater - powerbank device. Features: - Small sizes of PCB: 16×75mm (it could be double-sided) - PCB work as BMS for lithium battery 3.7V, 4A. - Read temperature via thermistor (as example NTCLE100E3471JB0) - Include programmed controller with custom program. - Preset temperature programs: (40, 50, 60 °C), which users can adjust using a physical button. - Has 5 LEDs that indicate battery status and chosen program. - As powerbank support QC 3.0, Apple devices and Samsung devices - Ideal one USB type C port for charging either phones and PCB battery Detailed info for chips and components you can find in attached PDF Ideal Skills: - Experience with tem...

...uxiliary color or white color should take larger space of each package surface, don’t use pure color for any surface of the package. (buttom surface can be blank) The package surface should appear at least one character of our target group (either only elderly or younger and elderly, cannot be only younger) Package should shows these selling point: Large button, loud volumn, SOS, Dual Sim,long battery life (with simple words and sketch) Part 3. Make a simple manual sample base on the tone of new color that you use for the logo....

I'm seeking a skilled designer who can create a laptop battery box that prioritizes aesthetics. The box should be compatible with two laptop models: Dell Latitude and HP Envy. Despite the common use of materials like plastic, metal, and fabric in such products, for this particular project, I prefer the use of cardboard. Not only should the box look appealing, but potential wear and tear should also be kept to a minimum. Ideal candidates will have experience in industrial design and manufacturing, with a clear understanding of the nuances of working with cardboard while maximizing aesthetics.

<Overview> Please collect product information on vehicles or charging devices for vehicles that have or will have the technologies described in the “Technology Description” section below. <Technology Description> This technology relates to external charging technology for vehicles, specifically charges the on-board battery using power supplied from a charging cable outside the vehicle. From a safety perspective, when externally charging an onboard battery, external charging may be prohibited when the connection between the charging cable and the charging port is unlocked. However, this is not convenient because charging cannot be performed when the user forgets to put the device in the locked state or when the device is not in the locked state due to ...

...Converter) Board with Powerline Networking. This board will be specifically for audio playback, converting digital signals into analog audio. The ideal freelancer for the project will be proficient with the following: - Designing and building DAC boards - Knowledge of audio playback technology, specifically analog - Power supply design for battery-operated devices Your task will be to create a prototype streaming DAC amplifier board that operates on battery power and successfully converts digital signals into quality analog audio. Proficiency in circuit design, audio technology, and sustainable power supply integration will be critical to fulfilling this role successfully. Previous experience with DAC design and an understanding of audio signal transmission will be hig...

I'm seeking a skilled engineer to design a generator set powered by a 40 hp 1500 max rpm tractor's PTO. The design must be versatile, providing both DC for SMAW welding (9-48V, 10-500A) and AC power (15KW, 120 or 240V) for appliances. Required Features: - Utilization of an auto alternator or generator. - 12V or 24V battery system. - Digital or analog inverter - Some form of rheostat control for controlling welding amperage - Considerations for grounding and circuit breakers. - Peak performance at optimal rpms and comprehensive voltage regulation. - Off the shelf components highly desirable, so equipment specifications are more important than exact sourcing - Other than specifications for safe spacing of components, mechanical design is not required. Safety Features: - O...

...DAC (Digital-to-Analog Converter) Board. This board will be specifically for audio playback, converting digital signals into analog audio. The ideal freelancer for the project will be proficient with the following: - Designing and building DAC boards - Knowledge of audio playback technology, specifically analog - Power supply design for battery-operated devices Your task will be to create a prototype streaming DAC amplifier board that operates on battery power and successfully converts digital signals into quality analog audio. Proficiency in circuit design, audio technology, and sustainable power supply integration will be critical to fulfilling this role successfully. Previous experience with DAC design and an understanding of audio signal transmission will be highly...

...optimizing the use of solar power, enhancing battery longevity, and preventing damage due to overcharging. Key requirements are: - Battery management: The solar charge controller needs to maximize the life and capacity of a lithium-ion battery, ensuring efficient energy use. - Light control: It should be programmed to automatically switch on the street lights at dusk and turn them off at dawn. - Overcharge protection: To prevent battery damage, the device should be designed to discontinue charging once the battery is full. - Voltage range: The gadget should function optimally at 12V. Ideal candidates should have experience in the development of solar charge controllers, electronics, power systems, or a related field. Proficiency in...

I'm on the hunt for a talented designer to create a compact, USB and battery powered electronic vaporizer circuit. This project is not only about function but safety as well - the design must factor in short-circuit, overcharge, and temperature control features. The ideal candidate will bring experience in circuit design, familiarity with Altium or Eagle CAD, and a flair for innovative, high-quality work. Let's create something extraordinary together.

...The specific topic of the paper is dc microgrid with distributed control and focusing on controlling charging and discharging of the battery. Key Points: - Understand the dynamics of a distributed DC microgrid system, incorporating elements like AC/DC and DC/DC converter (Grid, Battery, EV, Wind, and Load). - Delve into the mechanisms of controlling the charging and discharging cycles of the battery within the system. Requirements: - The paper needs to be written from scratch, with low plagiarism, and co-authorship cannot be given. - Please check the DC microgrid simulink file for laboratory setup system. It consists of Grid AC/DC converter, Wind AC/DC, Battery DC/DC, and EV DC/DC. I need you to make research based on this setup system. - Research should be...

...explanation. - Roof Sleeky Modern Simple Neon/LED lighting design, similar concept to EV car. To provide the aeriel layout plan incl. 1. Roof footprint 32m x 19m 2. Building fooprint 30m x 12m 3. Building consist of 1 building consist of 2 stores :- a) Convenience/ grocery store (approx. 30-40%build up) incl. - public accessible toilet 1male + 1female - Electrical LV room approx 4m x 2m - EV charger supervisor storage room approx 2m x 2m , can combined with elec. LV room. - Muslim praying room x 2 for male & female (accomodate max 3-4 person at a time) b) F&B store 60-70%area (such as Mcdonald) incl. - Toilet room 1male & 1 female + external wash basin external area. - consist of outdoor tables. Result requirements. 1) Aerial dwg - Just 1 dwg with aerial vi...

...improved -Must send the information to a cloud backend that we will develop to make reports We also need the device to calculate the following metrics: - Speed: to understand athletes' pace and how it fluctuates during a game - Distance Covered: to comprehend the total distance and patterns of movement - Acceleration: to measure agility, reaction time and potential performance improvement areas Battery-wise, the GPS device must be capable of functioning for a 6-hour stretch. Ideally, potential freelancers would have experience in sports performance technology, electronics engineering and a robust understanding of athlete monitoring metrics. Additionally, experience journeying a tech product from conceptualization to prototype would be beneficial. Your expertise will great...

...In terms of resources, the client possesses the necessary documentation and materials for the project. This includes Gerber files, component datasheets, and electrical diagrams for both the Bluetooth device and its associated battery charger. Additionally, there is a power bank component integral to the device's functioning. However, there is an issue with the power bank's charging mechanism. Specifically, there is no automatic stop mechanism to halt charging once the battery is fully charged. This deficiency has led to a critical problem wherein the device's battery swells upon overcharging. The client is seeking assistance to complete the remaining aspects of the project. This includes finalizing the integration of the electrical diagrams, ...

<Overview> Please collect technologies related to the control units of the ECUs mounted on automobiles as described in the Technology Description section below. <Technology Description> This technology controls to conserve the power of one of the ECUs when both the ECU that performs automatic driving and the ECU that performs remote control are activated and it is found that the car's battery is not enough to reach a pre-set destination. Please investigate this technology in this issue. <<NOTICE>> The target car brands in this search are limited to US, European, Chinese, and South Korean brands. <Requirements for Payment> ・Submit documentary evidence that clearly states the details of the subject product, the name of the company selling the produ...

...practice documentation Strong C/C++/Rust programming skills After this test project, we will assign you development tasks around our real requirements. So consider this as a test project to learn us, and to show your expertise The milestones to implement: MS1: - implement a GNSS / NMEA parser to parse sentences into usable data structures (structs, classes, ...) MS2: - fetch ESP32 states like battery SOC, RTC time every configurable seconds (default 60s) - persist each fetch of states into a data structure (recommend if json is not okay for you), which is failsave (if one data is broken, not all datasets are broken) - provide a transactional detection, so that other threads are only reading final written files MS3: - implement sending via MQTT the aggregated data from MS2 ...

...speed is displayed in the right display area of the display, ii) When the notification function is on and no road sign information is obtained, only the background image is displayed in the left side display area of the display, iii) when the notification function is off, the left side display area of the display shows information different from the road sign information, such as the remaining battery level. Please search for this technology in this case. (*) The attached image has been uploaded to "Files". <<NOTICE>> The target car brand in this search is limited to ★”Jaguar Land Rover” or “Jaguar” or “Land Rover”★. Please search for information ★after November 20, 2015★. If you search for the above technology in a man...

...should have the capability to autonomously adjust and release the necessary hormone dosage based on real-time hormone levels. - Real-time Feedback: The device needs to relay real-time updates about the current hormone levels. In terms of physical design, I require the device to be small, unobtrusive, and easy to camouflage, wear, or carry. As for power sources, it should run on a rechargeable battery. Ideal Skills and Experience: - Expertise in Biomedical Engineering and Wearable Electronic Design - Proven experience in developing similar devices - In-depth knowledge of hormone monitoring technology - Familiarity with designing rechargeable systems - Compliance with medical device regulations and standards REQUIRED - Please ensure your bid includes a proposal detail...

I am in need of a...range from 1 kg to 5000 kg. This broad range should cater to a variety of commercial needs. - Bluetooth connectivity is essential. The scale's reading should be easily accessible and transferable to mobile devices or computers. - A battery backup system is necessary to ensure uninterrupted operation, even in the event of power failure. Ideal Skills and Experience: - Product design, specifically in digital devices. - Understanding of weight measurement technology. - Electronic engineering, particularly related to Bluetooth technology. - Experience in designing battery backup systems. This project offers an exciting opportunity to design a robust device that caters to the commercial sector. If you have the skills and experience outlined above, I loo...

I am on a quest for a talented translator who can seamlessly convert my website content from English to German. Key Requirements: - knowledge of german yacht terms and often used language - Proficiency in both English and German language - Experience in professional translation, preferably in website content this project is regarding the...Proficiency in both English and German language - Experience in professional translation, preferably in website content this project is regarding the following products for yachts, right now in google docs with text only 9 documents of different solar panels models 5-6 pages each, a lot of repetitions 3 documents 3+3+6 pages regarding charge controllers 4 documents with about 5-7 pages regarding lithium batteries 6 document regarding smart hom...

I need a graphics expert to deliver 5-10 product images and add a creative twist with realistic illustrations for my product listings. Product images for IPhone 15 Charger + IPhone 14 Charger Key Tasks: - Generate product images - Create realistic illustrations Ideal Skills: - Experience in creating product images - Strong skills in realistic illustration - Attention to detail - Ability to capture my product's features accurately. If you're a talented graphic artist that can bring my product to life on-screen, this project is for you.

...Requirements: - Expertise in designing small, compact items using plastic as the core material. - A deep understanding of aerosol spray paint mechanisms necessary to make the product effective and practical. - Ability to deliver a product design that is ready for assembly and wiring, with an eye towards efficient manufacturing processes. - ability to wire solenoids and small motors and wiring and battery packs Skills and Experience: - Proven experience in product design, particularly with plastic materials and portable objects. - Knowledge about spray paint mechanisms, especially aerosol ones. - Patient, detail-oriented and able to translate ideas into tangible designs. By the completion of this project, I expect a detailed, feasible design of a small plastic product that can ...

This project seeks an expert in AI and Battery Management Systems (BMS) to create comprehensive documentation. The main aims are: - Detecting sudden acceleration, specifically rapid increases in speed - Implementing a battery optimization function. The ideal BMS will balance energy consumption across all vehicle systems to ensure optimum performance and efficiency. Applicants should have substantial understanding of AI systems and battery management, with a focus on creating in-depth documentation. Previous experience in electric vehicles (EVs) is a considerable advantage. Key Skills & Experience: - Proficient in AI and BMS - Excellent technical writing skills - Knowledge in EVs, including acceleration or speed control. You should base your documentation on...

I'm seeking a creative individual or team to design a highly detailed 3D rendering of an Iron Flow battery that we can use for energy storage purposes. This rendering should clearly illustrate: - The external structure design - The key features and unique selling points of our product. Ideal Attributes for the Candidate: - You should have considerable experience with CAD software - Knowledge of battery design will be a plus. - A keen eye for mechanical design to make our product visually appealing and easily understandable. This would likely be an ongoing project as we further develop and enhance the product, and your input will be invaluable to our design process. Please include a brief summary of your experience with similar projects in your bid.

I am currently in need of a Raspberry Pi GPU and pattern AI solution for a Battery Management System (BMS). Overview of Tasks: Solution - Implement Data analysis - Observe Battery status, temp, charging current, current voltage, battery mode, relative state of charge, remaining/full charge capacity - Integrate Firmware changes in RC FCC V and SBS commands that aid in monitoring unauthorized changes HW integration - Raspberry Pi + CAN/Modbus/RS485/UART integration (from a commercial product) - Circuit design and PCB (for simulation) - Concept architecture design It is crucial that the freelancers on this project have a working understanding of Raspberry Pi GPU and pattern AI solution in data analysis. Familiarity with RC FCC V and SBS commands would also be a strong ...

...Review and provide input on building plans in the planning phase - Carry out detailed building frame analysis - Advise on necessary changes or improvements for structural safety and functionality - Provide technical guidance and recommendations based on analysis Project specific demands: Structure is existing single-story 2x4 wood frame construction with 1/2 gypsum board. Three (3) Enphase-5P 5kw battery packs (approx 200lb each including conduit, pack, and conductors) and Enphase IQ Controller 3G being installed to wall. 1. Requesting 3 of 4 walls and ceiling (home is on slab) be asymmetrically rated to 1-hour as a barrier. (Interior side, facing batteries can be only side altered to meet request) 2. If second framing is required, (i.e. two staggered 2x4 frames), stamped plan ...

...with specific characteristics. We're seeking a professional who has the ability to embody the following features in our product: 1. Temperature Control: For a tailored vaping experience, we need a vaporizer that gives the user control over the temperature. 2. Fast Heating Time: Life moves quickly and our product should as well. We're interested in a device that heats up swiftly. 3. Long Battery Life: This feature goes without saying – we want our device to last as long as our customers need it to. Budget: - We have skipped stating a maximum allocated budget for this project but rest assured we offer competitive pays for high-quality work. We're interested in receiving your proposals and negotiating fair rates. Design and Aesthetics: - We're in...

...Chinese application focused on remote control for kids' ride-on cars and can improve its aspects like performance and User Interface. Key Specifications/Improvements: * The primary purpose of the app is to control children's ride-on cars remotely and should be user friendly. * I expect an improved performance compared to the original app, meaning the new app should respond faster, consume less battery, and crash less often. * The UI needs to be revamped with a modern, intuitive design making it more appealing for the users. * Lastly, I am interested in discussing potential, additional features that can be added to enhance the app's functionality. Ideal Candidate: * Experience in Android and iOS application development is a must. * The developer should have ...

I am seeking an experienced electrical engineer to design a 12V battery charging circuit specifically for a lead-acid battery. The objective is to develop a design that is efficient and practical to implement. Key Requirements: -THE BUTTON PRESSED FROM THE OUTSIDE WILL PROVIDE 12V OUTPUT TO THE CARD - The input voltage for the charging circuit needs to be 24V. The successful candidate should have a proven track record in circuit design, particularly in chargers for lead-acid batteries. You should demonstrate understanding of safety requirements and efficiency metrics. Skills and Experience: - Expertise in Electronics and Circuit Design. - Understanding of lead-acid battery charging. - Familiarity with testing and validation proceedings. - Knowledge in PCB layout ...

...fuel supply ports and charging ports of a plug-in hybrid vehicle. One of the problems when supplying fuel or charging a vehicle is that if the vehicle has both a fuel supply port and a charging port, there is a risk of confusing the fuel supply port and the charging port. To solve this problem, when both the fuel supply port for supplying fuel for an engine and the charging port for charging a battery for driving a motor are provided in the vehicle, the fuel supply port is provided only on one side of the side surface of the vehicle, and the charging port is provided only on the side surface on which the fuel supply port is not provided. Please search for this technology. <<NOTICE>> The target car brand in this search is limited to ★”Jaguar Land Rover”...

...a full solution design and suggest available in the market STS based smart locks,the locks hardware should have the following features: be rugged which can withstand African outdoor dustheap and rainfalls have hard buttons for time session STS tokens not use physical outside electricity since Africa have no reliable electricity to supply on the lock….maybe an internal battery which can last to more than 5 years strong door handles traditional physical keys to open when occupancy time session is valid to install just like other normal domestic door locks Given the unique and highly specific attributes of this project, it will be ideal to hire someone who's not only good at system design and implementation but is also familiar with local African

...maintenance strategies to drastically reduce maintenance costs and enhance field operations. Devices for implementation: * GPS trackers, which will be tasked with absolute positioning of our fleet. * Remote locking and geo fence alerts * Control modules to oversee the operational functions of our fleet. Data collection: * Vehicle location data, crucial for tracking and managing our electric fleet. * Battery status, to keep close tabs on charging needs and energy usage. * Performance metrics, for streamlined operations and the ability to identify potential problems before they escalate. In addition to these, understanding of enterprise IoT platforms, M2M communications and familiarity with electric fleet operations will be desirable. With your expertise, we aim to take our elec...

...in reviving a wide range of gadgets, including smartphones, tablets, laptops, and more. Our skilled technicians are committed to providing swift and reliable repair services, ensuring your devices are back in peak condition. At GadgetMenders, we recognize the significance of your electronic companions and strive to make the repair process hassle-free. Whether it's a shattered screen, a faulty battery, or any other issue, our team is dedicated to delivering efficient and effective solutions. Here are some essential details to help you understand the requirements: - Preferred Colors: I am flexible on the color selection. You are free to use Blue, Green, Red or any other color that you feel aligns with the brand's identity. - Logo Style: I'm open to ideas. It...

This project requires 2 important aspects to be fulfilled. 1. The logo needs to imputted into the render image. 2. The concept drawing needs to be turned into a realistic render image to be used for marketing. White background is fine. I have added the logos, drawing and example of the battery box and camera. These should be incorporated into the image to reflect the items attached.

Are you a s...prototype with two main components: Aluminum Assembly: This component will be designed using CNC machines based on provided design ideas and images. Your tasks will include creating Solidworks 3D designs and executing prototype development. Light Fixture: Positioned above the moveable assembly, this fixture will include a red hazard light powered by a 5W system. It will feature a 12V 7AH lead-acid battery with specific charging and discharging times, along with a solar panel rated at 18V - 6.5W. Importantly, all components must be integrated within the assembly, and designed to withstand harsh weather conditions. Interested professionals are invited to submit proposals detailing: 1. Timeframe for prototype completion. 2. Approximate cost for the complete prototype...

Build a ML model for analysing sentiment and topic of text reviews of different products. Here and example of what the model will be able to perform INPUT: This phone's battery is too good OUTPUT: Aspect - battery , Sentiment - positive The model will be able to reach an accuracy of 80-85% The freelancer will keep updating the client about his progress on the model on a daily bases (along with some screenshots and screen recordings if necessary). The model is to be completed before or on 3rd March of 2024.

...operation, such as stopping the air conditioning when the inside temperature reaches the set temperature and prioritizing power saving, or continuing the air conditioning after the air conditioning is stopped and prioritizing comfort.) To solve this problem, after remotely activating the air conditioning system of the vehicle, the user is notified of the inside temperature or the remaining battery level of the vehicle when the inside temperature becomes the set temperature, or when a certain time has elapsed, or when the set time is reached, and the user is allowed to select whether to continue or stop the air conditioning.　 Please search for this technology in this contest. <<NOTICE>> The target car brand in this search is limited to ★”Jaguar Land Rover&r...

...have the technologies described in the “Technology Description” section below. <Technology Description> This technology is designed to control the battery temperature of electric vehicles* in an optimized condition. One of the problems with charging electric vehicles is that if the battery temperature is too high or too low, charging efficiency is reduced. To solve this problem, the technology is that by controlling the battery temperature to an appropriate temperature in advance before arriving at the charging point battery, which charging efficiency can be improved. More specifically, while driving the route to reach the charging point, the battery is controlled to reach the targeted temperature, considering the temperature and th...

...developer to create a mobile application that will increase the security of android phones by disabling the shutdown option in settings. The main functionality of the application is to prevent thieves from switching off the phones without users' permission. This should make stolen devices easier to track and recover. Key Project Features: - Application should run in the background without draining battery - The ability to disable the shutdown option in the Android phone settings Ideal Skills for the Job: - Android App Development - Android SDK - Security software development - Familiarity with Android system settings - Exceptional attention to detail It would additionally be beneficial if you've previously worked on security applications. However, it's not a...

I'm looking for an experienced electronics circuit designer to help me with my home appliance. This project is centered around designing a functional electronic circuit that supports both task lighting and decorative lighting. To provide better detail: table top (no cable) task light small simple pcb (low batch of say 40 units) battery (rechargable) supply (12V LiFePO4) single MR16 7W cob lamp please see attached pdf It is ideal that the freelancer has good experience in electronics circuit design specifically for home appliances, and in the creation of circuits that support different lighting functionalities. The files would include Gerber files inc BOM.

What specific functionality do you want the custom firmware to include for the GPS tracker? Firmware customisation on reac...you want the custom firmware to include for the GPS tracker? Firmware customisation on reachfar solar gps tracker model rf-v24 What specific customizations do you need in the firmware for the ReachFar Solar GPS tracker model RF-V24? Battery optimization, To turn off gsm and gps modules when not in use to optimise battery life. Tracking to be carried out on movement and by time schedule. How frequently would you like the GPS tracker to track the location based on movement or time schedule? Every 10 seconds when moving and a heartbeat location once a day with battery percentage. Any other requirements? The source code and development kit to be deli...

Hey, I am looking for someone who will Design Hardware for ESP32 (Lighting with WS2815). I will do software by myself 1. Power Supply - Battery-operated - 2x18650 batteries connected in series - Ability to be powered by 12v (mains adapter) 2. StepUp to 12v for powering the programmable WS2815 LED strip (unless someone convinces me that it's better to use WS2813 with StepDown) - Power consumption for the LED strip, at least 50W, max ~200W - Logic level converter required from 3.3v -> 5v 3. StepDown for powering the ESP32 4. OLED display 128x64 I2C 5. Measurement of power supply voltage and power consumption 6. Power activation via a mechanical switch 7. 2x rotary encoder with button 8. Connector for programming the ESP32

I need an expert iOS Swift developer to create an app for Bluetooth car battery scanner. Provided: I have full figma design of attaced file and android source, but cannot send you device. You have to convert android source to ios app/ My Android App: Key App Features: - Show real-time updates on the battery's voltage - Display clear and reliable health status of the battery - Highlight current temperature of the battery Required Skills and Experience - Proficiency in Swift and iOS application development - Proven experience with Bluetooth connectivity within apps - Familiarity with car battery scanners is a plus - High attention to accuracy and detail I will do this job as followings 1. Test milestone for your skills

I need a professional embedded system developer who is well-versed in C++ and Python languages ,circuit designing ,pcb designing, to join my project urgently. - Embedded system design with pcb design - HMI WITH TOUCH SCREEN AND WI-FI,MCU WITH 16 I/O, SENSORS,STEPPER MOTOR CONTROL,ACTUATOR AND BATTERY BACKUP. ETC.. - Proficiency in C++ and Python - Experience in designing and implementing embedded system code - Ability to work under tight schedules and deliver high-quality work While the specific details of my project have to be undisclosed for now, an understanding and experience across different domains of embedded systems, namely IoT, Robotics, and Automotive could be advantageous. The successful candidate should be able to deliver the project ASAP. Strong skills in problem-...

hello, i have a circuit which has 9V battery input, and produces a square wave, minV 0V, maxV 9V (depending on battery V), duty cycle ??%, frequency around 1000hz. here is the circuit reproduced on everycircuit : i need your help to modify this circuit so that : input : 9V battery (7.5V - 10.5V) output : minV 0.9V (approximately 10% of battery voltage, must stay over 0V) maxV 9V (more or less depending on the battery voltage and what V the circuit uses) square wave (must be sharp) duty cycle 90% (approximately) frequency 1000Hz (approximately) your job, if you accept it, will be : -to reproduce this circuit in your favorite simulation software and to modify it so that it produces the output / waveform that i want. -to provide