Keypad circuit työt

Minulla on edelliseen projektiimme liittyvää jatkuvaa työtä 'Ruuhimäki Circuit Logo desing'

I'm looking for experienced circuit designer who can design sensing circuit for RTD temperature sensor. Sensing should be done by STM32F103 microcontroller ADC. There should be 8 channels for RTD temperature sensor. I need Schematic design only. Only bid if you have experience with RTD temperature sensor.

I'm seeking an electrical designer experienced in commercial circuit design and wiring layout. Key Requirements: - **Circuit Design**: You should be able to create efficient, safe, and robust electrical circuits tailored to a commercial building's needs. - **Wiring Layout**: Expertise in laying out wiring for maximum efficiency and safety is crucial. Specifics to Consider: - **Power Distribution**: The design will focus primarily on the power distribution aspect, ensuring it meets the demands of a commercial space. Experience in similar projects will be highly valued. Your design should be optimized for cost-effectiveness, energy-efficiency, and future scalability. Revit and familiar with NEC.

I'm in need of a skilled electronics engineer to assist with an educational circuit design project. The circuit is intended for advanced learners, so it should be challenging yet educational. Key requirements and responsibilities include: - Designing a complex circuit for educational purposes - Ensuring that the circuit is advanced enough to engage students at a high level - Preparing documentation and guidelines for understanding the circuit Ideal skills and experience for this job include: - Proven experience in advanced circuit design - Prior experience in educational circuit design is a plus - Excellent communication skills for creating thorough documentation Looking forward to hearing from passionate electronic engineers who ca...

Wiring Schematic of an Agricultural Articulated Truck (Tractor), new project needs schematic and design. Key Components: Power Supply: Battery Alternator Main Circuit Breaker Lighting System: Headlights Tail Lights Work Lights Indicators Control Systems: Ignition Switch Dashboard Controls Relays and Fuses Engine and Transmission: Starter Motor Engine Sensors Transmission Controls Hydraulics: Hydraulic Pump Controls Joystick Controls Hydraulic Solenoids Auxiliary Systems: Air Conditioning Horn Wiper Motor Fuel Gauge

I am in the process of launching a new freelancin...perhaps looking like it's in motion, could be a central element. This can signify speed and efficiency. The arrow could be integrated into one of the letters or could underline the text. Minimalist Style: A minimalist arrow that doubles as a tick mark, suggesting "getting the job done." This could be above the name or incorporated into the name itself. Circuit or Digital Theme: Given the online nature of your platform, incorporating digital or circuit-like elements into the arrow could give it a tech-savvy feel. Color Palette: For colors, consider something vibrant yet professional. Blues and greens are popular in tech and freelance platforms because they convey a sense of trust, stability, and growth. fee...

I'm a Classic Rock wedding singer in desperate need of a capable, experienced manager. Specifically, I'm seeking someone who can: - Promote my services diligently, and adeptly navigate the wedding industry. The perfect candidate is familiar with the Classic Rock genre, and has experience managing and promoting artists in the wedding circuit. This job requires approximately 3 hours of performance, so time management is of essence in your tasks. Performance and promotion tie closely together, hence, your role is crucial in capitalizing on each performance with posterior promotions.

For my ongoing project, I need a specialized Printed Circuit Board (PCB) design for an iMX8 Micro Processing Unit (MPU). Below are the main requirements: - Power Management: This is crucial for the project. The PCB design should incorporate an integrated voltage regulator. Specifically, I prefer to use a linear voltage regulator which can provide continuous, stable supply and suit the power requirements of my MPU. Skills and Experience: - Knowledge in PCB design with a focus on power management. - Familiarity with iMX8 MPU would be beneficial. - Proficiency in using linear voltage regulators and designing for signal integrity purposes. - Previous experience in designing intricate PCBs will be a plus. Your expertise can make a substantial difference in the success of this proj...

I am seeking an Electronics Engineer specialized in power conversion, specifically the AC to DC conversion process (SMPS). The purpose of this project is to design and implement an AC to DC converter to serve as a power supply for an electronic device. The ideal candidate should have: - Extensive knowledge and experience in power electronics and circuit design - Proven experience in designing and troubleshooting SMPS Your responsibilities will include: - Designing a robust SMPS following given specifications - Validating the design through physical prototyping (dot board preferred) - Sharing the voltage sweep results with the proto Requirements: - Primary side: 90 VAC - 250 VAC input - Secondary side: 24 VDC (2A) and 15 VDC (3 A) (on the same transformer) - Should use UC3845 curr...

As a technician experienced in soldering on industrial-grade electronic devices, I am in need of a skilled individual capable of working on circuit boards for repairing damaged components. Key Responsibilities: - Soldering on circuit boards to repair damaged components. - Prioritizing quality and precision in your work. - Ensuring the reliability of the soldered components. Ideal Skills and Qualifications: - Proven experience in soldering on industrial electronic devices, particularly circuit boards. - Proficient in the use of soldering tools and equipment. - Familiarity with best practices for repairing damaged components on circuit boards. - Attention to detail and a commitment to quality work. - Ability to work independently and meet deadlines. If you hav...

I have created circuit using proteus, I want to get PCB boards for this circuit. I need pcb layout andn / or gerber files to submit to pcb maker pls. respond if you have experience in this work, I will provide circuit

...component will be an SMA connector, thats it. Skills and Experience: - Deep understanding of high-frequency (above 10 GHz) pulse antenna designs - Proven experience in circuit Design software to implement the design on a PCB layout. - Prior work in antenna design for radar systems - Strong knowledge of using design software for antenna modeling and simulation Project Details: - The antenna should operate at high frequencies (above 10 GHz). - This project is focused on a Plate Antenna Design. - The newly designed antenna will be used specifically for Radar systems. - The design of the antenna should be optimized for printed circuit board (PCB) implementation. We anticipate a robust design process that includes modeling, simulation, and verification stages. The ideal c...

I'm looking for a professional who has experience in debugging ESP32 through JTag. My circuit with ESP32 is newly pronted and not tested yet. I need to do some steps with an expert who can dive deep into the debugging process. The ideal freelancer for this job should have: - Proficiency in handling and debugging ESP32 through JTag - Familiarity with Espressif IDF development environment

I am seeking a proficient PCB Designer who can help me design a PCB layout for Buck Boost Converter circuit. The project specifics are: - The PCB is only two layers. Front copper layer and Back copper layer. - KiCad is the software to be used. - Working with both through-hole components and surface-mount devices to develop the PCB. - The primary application of this board is for prototyping, so accuracy and attention to detail are a must. Please make sure to include examples of your past PCB designs in your proposal if available.

I am searching for an accomplished electrical engineer and coder who possesses advanced technical abilities in circuit design, analysis, and programming microcontrollers, namely with Raspberry Pi. These skills are necessary for the fruitful completion of the project. Key Responsibilities: - Design creativeness is a must as I place an emphasis on compact-sized micro-circuits. - Robustness is critical in order to effortlessly connect to external devices. - Implementing GPIO pins for sensor integration requires comprehensive expertise. - Responsibility includes diagnosing and troubleshooting electrical systems when the need arises. The successful freelancer will ideally have substantial experience in Python as this is the preferred programming tool for this project. The end goal is ...

I'm looking for a freelancer who can help me identify distributors and pricing for new high voltage utility items, specifically transformers, circuit breakers, insulators, motors gears, and communication equipment. Key Responsibilities: - Research and identify reliable distributors of new high voltage utility items in North America - Obtain pricing information for these items - Provide a comprehensive report listing distributors and their pricing for each type of item Ideal Skills and Experience: - Proven experience in market research and distributor identification in the electrical utility equipment or similar field - Excellent communication skills - Strong analytical skills to determine competitive pricing - Knowledge of the high voltage utility equipment market, specific...

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I am looking for an experienced Verilog developer who can work on my Verilo HDL project. Design a digital circuit for a fruit sorter based on following specification. Develop the block diagram (consists of datapath and control units) and the ASMD chart. Assume that there is a 1-bit RESET signal to reset the circuit and it is asynchronous and active low. In addition, there is a 1-bit CLOCK as the clock. The circuit will start the operation when a 1-bit input signal START is asserted. A fruit detector provides a 1-bit input FRUIT that becomes 1 for one clock cycle if banana is detected and the FRUIT signal will be 1 for two clock cycles if orange is detected. There are 2 different outputs which are OUT1 and OUT2 that will be 1 for one clock cycle for th...

I need an expert in hardware analysis who can assist in identifying a SOIC-8 flash memory chip within a printed circuit board. The central concern of this project is: • Identification of a low-capacity memory chip, up to 1MB. The ideal candidate should have: • Comprehensive knowledge and skills in hardware analysis. • Experience in identifying and differentiating SOIC-8 flash memory chips of varying capacity. • The ability to provide precise and effective results within a reasonable period. Your bid should include a complete analysis report, detailing your methods and confirming the identity of the memory chip. As part of the deliverables, please include tangible proof verifying the chip's capacity.

I'm looking for a skilled professional to simulate & test of my microcontroller based hardware design, using proteus and test its performance. Also, if there is any performance bugs, need to correct it and also, build pcb prototype and physically test the performance

I'm seeking a designer who can bring a refreshing minimalistic and modern look to our website logo for TechWeb.sg. The new logo needs to communicate technology, innovation, and trustworthiness. Key Requirements: - Theme: It should incorporate technology-related elements or symbols. You can consider using yourselves motifs like circuit boards, lightbulbs, or robots. - Color Scheme: The primary color scheme should be blue. - Style: The design must be minimalistic and modern. - Font: I prefer the font to be a unique, custom style. Layout Preferences: - Logo's layout should be horizontally arranged. Ideal freelancers for this project will have: - Experience in modern, minimalistic logo design. - Creative ability to translate abstract concepts into engaging visuals. - An...

I'm looking for a math expert who can help me solve calculus problems related to electrical circuit analysis. The ideal candidate should have a good understanding of calculus, particularly in the context of electrical circuits. Key Requirements: - Proficiency in solving calculus problems - Understanding of electrical circuit analysis - Comfort working with circuits involving capacitors and inductors Experience with advanced calculus and electrical engineering is a plus. Your job will be to solve complex calculus problems within the context of circuits with capacitors and inductors. If you have experience or knowledge in this area, please don't hesitate to bid.

I need help routing an allwinnder D1 SoC to DDR3 RAM and rout the PMICs. You should be proficient in length matching and proper KiCad design. You must review the schematic to ensure there are no issues before you start routing. I'm seeking a proficient PCB designer with experience in KiCad for the development of a multilayer circuit board intended for consumer electronics. Key Points: - The project involves the creation of a multilayer PCB targeted for consumer electronics. Prior experience in this field would be highly advantageous. - Proficiency in KiCad is essential. Prior experience working with KiCad for multilayer PCB designs is a must. - You should have a good understanding of the manufacturing process for consumer electronics PCBs, including the constraints and requi...

...goal of this project is to trigger an external camera circuit via an analog signal. Key Project Requirements: - Low power stand alone circuit to trigger a camera - Build a mic from parts, i.e. electret, cap, and resistor, that can pick up in the 22Hz range - Amplify the signal with a common amp chip (i.e. LM 386) - Amp needs to work with existing tone decoder circuit that works. Ideal Skill Set: - Proficiency in Low Frequency Signal Processing - Experience in Audio Breadboard Projects - Understanding of Analog Signal Transmission - Comfortable walking me through this online, via video interaction after schematics draw uo This is an interesting and challenging project that requires a deep understanding of both audio processing and circuit integration. If yo...

I'm in need of a proficient and experienced electrical engineer to design an analog audio circuit for mixing multi-channel signals sourced from line level feeds. This will require expertise in designing robust and low-noise analog audio circuits capable of dealing effectively with multiple audio inputs. Ideal Skills and Experience: • Proficiency in electronic circuit design, specifically analog audio circuits. • Experience with handling multi-channel signals. • Familiarity with line level audio signal processing and mixing. We need an engineer with deep experience in high-end analog circuit design using low noise operational amplifiers. We will provide basic diagrams and objectives. The project involves high quality op amps and line drivers for a...

I require an experienced PCB design engineer. The project involves designing a PCB, but the specifics of the design (su...process, and help in finalizing these parameters. Your role will be to: - Work with me to determine the type of PCB design (single layer, double layer, multi-layer) - Collaborate on the purpose of the PCB design, whether it's for prototyping, production, or circuit optimization - Help define the specific dimensions and form factor for the PCB Skills and experience needed: - Proficiency in PCB design software (e.g. Altium, Eagle, KiCad) - Experience with designing various types of PCBs (single, double, multi-layer) - Strong understanding of circuit optimization and PCB production processes - Ability to work collaboratively and guide the client throu...

I am looking for an expert in electrical design to assist me with a project I have. The scope and areas of expertise are quite broad and I'm open to input from professionals in the field. The ideal candidate should have experience in: - Circuit design - Power distribution - Control systems The end goal of this project is to maximize the efficiency of the electrical systems we have in place. This may involve improving energy efficiency, upgrading existing systems, or designing new systems from scratch. I'm looking for someone who is detail-oriented, has excellent problem-solving skills, and a good understanding of electrical engineering principles. The ability to work independently and communicate effectively is also key. If you have experience with similar projects an...

I'm in need of a circuit that can regulate voltage to 6VDC, with a max current of 500mA. This circuit will be powering LED lights and should be compatible with an input voltage range of 12-24VDC. The circuit should also account for the presence of 4 diodes. - 4 Diodes - forward V - 8V limit to 7V max - max operating current 500mV - inline switch to turn any of the diodes in circuit on/off - need an LED in line for each Diode if active or blown ( when diode fails it is shorted 1ohm) Key requirements and considerations include: - Voltage regulation: The primary functionality of the circuit is to regulate input voltage to 6VDC for optimal LED power. - Current capacity: The circuit should handle a maximum current of 500mA, ensuring the LED li...

...4-5 proficient Electrical Engineers to join us for a long-term collaboration. This opportunity is ideal for individuals with expertise in electronics, power systems, and communication systems. Key Requirements: - Strong command over MATLAB for data analysis, simulation, and modeling. - Proficiency in VHDL and Verilog for hardware description and digital circuit design. - Experience with multisim or similar simulation software for circuit analysis and design verification. This collaboration offers an exciting chance to work on diverse projects spanning electronics, power systems, and communication systems. We are committed to fostering a collaborative environment that encourages innovation and professional growth. If you are passionate about contributing your skills to ...

We require an FMEA expert. Our focus is on electrical and mechanical hardware systems like circuit boards, power supply, control systems, and communication systems. Your role requires you to create a detailed questionnaire and out of it to create a comprehensive analysis document for managuing risks. The ideal candidate must posess: - Proven experience conducting multiple FMEA activities in the past 24 months (provide evidence) - Specialised knowledge on electrical/ mechanical hardware analysis - Proficiency in examining circuit boards, power supply units, and control systems Kindly note that those without proof of previous FMEA execution need not apply. We seek someone who can help us entirely avoid or reduce risk. Your proficiency in identifying, analysing, and mitigati...

We are seeking an experienced electrical engineer to design a multi-output power supply for a portable AC servo drive. The ideal candidate will have expertise in power electronics and PCB design, with a proven track record of creating efficient and compact power solutions. Input Specification: 220Vac. Output Specifications: Two sections are required: Power Ground Circuit: +15V, +5V. Lower Ground (controller) Circuit: +12V, +5V, +3.3V, -12V. Ensure that both grounds are isolated from each other. The design must be lightweight and compact, suitable for a portable device. We need the design to be highly reliable and efficient, with considerations for safety and durability. Job Responsibilities: 1) Design: Develop a schematic and board layout for a multi-output power supply t...

I'm working on an industrial automation project and currently at the prototype development stage. I'm seeking a professional to assist with specific circuit design tasks. Key Responsibilities: - Circuit design focused on industrial automation application Ideal Skills and Experience: - Proven experience in hardware design, particularly for industrial automation - Proficient in circuit design for prototypes - Knowledge of industrial automation standards and requirements This project offers an exciting opportunity to contribute to an innovative industrial automation solution.

I need a PCB for controlling the residential electric current (220VAC) using the following componenets: - ESP32 as microcontroller -1 relay 3VD/220AC as an actuator - LoRa module (SX1278) to communicate with others equipments (already developed and manufactured). - RTC module (DS3231) for getting timeStamp. - An AC/DC currrent transofrmer (220VAC/12VDC) is needed to feed the entire circuit from the same electric source we are controling. - 2 voltage regulator: 12/5VDC and 5/3.3VDC I've design several measurements devices using ESP32, LoRa , RTC to create a monitoring net. This is a first control device that will be inluded. So there are a lot of material that this work can lean on.

...professional who can design and assemble a custom made, electrically driven actuator with a control circuit. The specifics of the project include: - The actuator should be capable of providing linear motion. So, an understanding of linear motion systems and mechanisms is crucial. - The actuator must be able to handle a maximum load of 10-50 kg. - The driving mechanism for the actuator should be electrical. Therefore, the freelancer should possess strong knowledge in this field; experience in dealing with similar electric actuator systems would be a significant plus. - The design of a control circuit for managing the actuator's functions is also an integral part of this project. Exceptional skills in circuit theory and design are required. If you fit th...

Looking for an experienced 3D designer to help create a small (less than 10cm) prototype box made of plast...for an experienced 3D designer to help create a small (less than 10cm) prototype box made of plastic. This project will require the placement of five holes on the side surfaces of the box, strategically located for circuit adaptations. Requirements: - Knowledge and expertise in 3D design and plastic materials - Ability to accurately place specified holes on side surfaces - Experience in creating designs intended for prototype circuits - Prior experience with similar projects is a plus Your designs will contribute significantly towards the functional prototype of our circuit device. Looking forward to working with someone who can bring their creativity and precision...

...engineer who can design an innovative toy car. The target age group is 7-10 years old, so the design should be engaging and safe for this age range. Key Requirements: - Design: I'm interested in a remote-controlled toy car, specifically suited for indoor use. The design should be original, appealing to children, and durable enough to withstand frequent play. - Electric Circuit: The design should include a well-crafted electric circuit. - Components: I need assistance in selecting the right components to ensure the design is cost-effective without compromising on quality and safety. Ideal Skills and Experience: - Experience in designing toys, particularly for the specified age group. - Proficiency in electronics engineering, particularly in designing electric circuit...

I require a highly-skilled freelancer to design and develop a Near Field Communication (NFC) reader circuit. The circuit will focus on reading NFC tags (NTAG 215) via a custom-built antenna. Specifics include: - The operating range of the NFC reader antenna should be between 1 to 2cm. - It must be capable of detecting specific tags without unnecessarily scanning nearby ones. - Furthermore, the circuit will be integrated with a specified embedded system, developing compatibility is a must-have. For this project, strong experience in circuit design, NFC technology understanding and embedded systems integration is required. Attention to detail to ensure accurate tag scanning and low power usage is also a critical skill for this task. Potential freelancers shou...

I'm looking for a skilled 3D designer who can create a detailed, industrial-grade, metal switchboard with a focus on power distribution. A small single cubical to be of similar style of rest of existing switchboard (Step file will be shared) Need to place a circuit breaker and ATS, and draw in Busbar

I require a skilled drafter to redo my electric circuit from a JPEG image file. The image I have isn't clear and could do with your expert touch. - The task involves a high-level overview of the circuit. - No need to add details or annotations to components. - The final version should be delivered in PDF format. Ideally, you will have an electrical background with strong drafting skills and the ability to interpret and redraw an unclear image. Your attention to detail will come handy in ensuring the project is perfectly executed. Please ensure that the final circuit is clearly visible and professionally presented.

I am looking for an experienced electronics designer to create a power supply circuit board. This project requires a detailed understanding of circuits and experience working with discrete components. Your responsibilities will include: - Designing a power supply circuit board that meets my specifications using discrete components. - Providing a detailed explanation of your design, so I can understand how it functions. Ideal candidates should: - Have experience designing circuit boards, specifically power supply boards. - Be proficient with discrete components. - Have the ability to explain highly technical concepts in a manner that I can understand. Looking forward to seeing your bids! its a small constant current supply for LED Light, with input 230v AC and ou...

I'm looking for a proficient electronics engineer to design a custom circuit board. I'm unable to disclose details about its specific purpose and use at this time due to confidentiality reasons. Ideal Skills and Experience: - Expertise in circuit board design - Proficient in Electronics Engineering - Experience in custom board designs - Ability to maintain strict confidentiality Please only bid if you're comfortable working with limited project details and are capable of asking insightful questions to determine design specifics.

As I'm venturing into a solar-powered USB module in my circuit design utilizing a SAMD51 microcontroller, I'm in need of expert assistance to address some issues with my current PCB design. I have the existing design and fab files at hand, but the project has not achieved its full functionality. - Key Issues: The circuit is experiencing power supply issues presumed to stem from the Voltage regulator, compatibility issues with the microcontroller, and an unresponsive USB output. These are the primary targets for debugging and solution creation. - Ideal Expertise: I am seeking an experienced engineer knowledgeable in PCB design, solar power modules, and the SAMD51 microcontroller. The individual must have a track record of troubleshooting and resolving power supply...

I need a proficient PCB designer, ideally familiar with ATMEL microcontrollers, to help in circuit prototyping. The circuit is of advanced complexity, consisting of multiple components that interact with each other. Key details: - The project is not basic, it involves multiple components that need to interact. - Familiarity and experience with ATMEL microcontrollers is required. - Despite its complexity, the design will not require integration with any other hardware. The perfect freelancer for this job should have a robust background in PCB designing, particularly for circuit prototyping, and must be a quick problem solver able to identify and correct potential issues swiftly through their design process.

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...would route the calls to the agents available at that moment, who in turn would log in/unlog in with their landline to answer the calls. - For receptionists there would be a real-time panel of incoming and active calls, as well as receptionists and advisors logged in, free and busy on calls. The receptionist could select a free agent and forward the call from the panel or do it through the physical keypad of her phone (for example # 250) - For each customer call, the receptionists would receive a card showing their name, telephone number, comments, purchases made (date, time, amount, minutes, payment method), calls made, and available balance of minutes. - The customer balance system would consist of minutes that would be automatically deducted when speaking with agents (not rece...

I'm looking to create a fault detection and current limitation system using MATLAB for power systems with 3 or 14 buses during short circuits. I need the system to: - Detect faults in real-time - Identify fault currents - Suggest or implement mechanisms to limit these currents such as circuit breakers - Ensure system safety and reliability - Provide guidance on how best to limit these fault currents during short circuits.

We require an FMEA expert. Our focus is on electrical and mechanical hardware systems like circuit boards, power supply, control systems, and communication systems. Your role requires you to create a detailed questionnaire and out of it to create a comprehensive analysis document for managuing risks. The ideal candidate must posess: - Proven experience conducting multiple FMEA activities in the past 24 months (provide evidence) - Specialised knowledge on electrical/ mechanical hardware analysis - Proficiency in examining circuit boards, power supply units, and control systems Kindly note that those without proof of previous FMEA execution need not apply. We seek someone who can help us entirely avoid or reduce risk. Your proficiency in identifying, analysing, and mitigati...

I am seeking a skilled freelancer to produce a detailed and accurate circuit Track Map. - The deliverable should be a high-quality, printable PDF of the track. - The map should include the track itself, along with specific features such as pit lanes and ripple strips. Ideal skills and experience: - Proficiency in map making and graphic design - Experience with producing detailed, accurate maps - Familiarity with road course track layouts and features

I need an expert in PCB design to create a small magnetic levitation motor. My ideal designer would possess stellar skills in: - Microcontroller-based circuit design. - Magnetic levitation systems. - Power efficiency management. The project doesn't require utmost power efficiency, a basic level would suffice. Although compact, this tiny maglev motor device should be firm and durable with functionality on par with larger models. A prototype, design files and instructions for assembly/testing will be essential deliverables. Previous experience working on similar miniaturized projects would be advantageous. Your ingenuity will be crucial in the success of this project. Let’s chat more about how you can help bring my vision to life. This magnetic levitation motor is used ...

I'm looking for a skilled engineer to create a CompactFlash CFast Digital Audio Player prototype. Qualifications: -must have Distortion Analyzer, frequency sweeps -be able to build a prototype board totally f...CFast Digital Audio Player prototype. Qualifications: -must have Distortion Analyzer, frequency sweeps -be able to build a prototype board totally functional -Simulate Analog / Digital signals Regarding hardware Cflash Audio Player using AAC codec Full prototype hardware to be shipped to US Audio player will use CFast card via SATA (not USB) and play audio files using AAC codec DDDAC1794 circuit Dual Dedicated PCM clocks via TCXO 44.1 khz and 48 khz auto select MUSES IC attenuator Steel enclosure (pick something from China but big enough to support batteries) RC...