Design a simple circuit to generate interrupt when Rate of Change is > XXX

Measure frequency of sine wave as low as 200mv pk-pk. Frequency is normally at 50hz.

Generate interrupt to micro controller when the rate of change of the frequency is > [url removed, login to view] over 500ms.

Again we are interested in the Rate of Change not a hard upper or lower threshold.

The circuit must be adjustable to that we could chane the threshold from [url removed, login to view] to say 1hz/500ms

Taidot: sähkötekniikka, elektroniikka, tekniikka, Mikrocontroller

Näytä lisää: simple printed circuit design, design simple circuit altium, bid circuit board design, change currency rate virtuemart, generate design japan, battery circuit layout design, virtuemart change currency rate, printed circuit board design, simple circuit design, simple circuit design projects, photoshop simple logo design, bluetooth audio circuit design, simple circuit projects, simple webpage design, simple html design, simple box design, simple web design company

About the Employer:
( 18 reviews ) ., Ireland

Projektin tunnus: #13172379

18 freelanceria on tarjonnut keskimäärin 90 $ tähän työhön


Whatsapp: +92 321 6624970 I am an Electrical Engineer having specialization in Electronics and Control, teaching at Electrical Department FAST National University Pakistan. I am also persuing my MS degree in Electr Lisää

100 $ USD 3 päivässä
(222 arvostelua)
83 $ USD 10 päivässä
(16 arvostelua)

Hello, Good morning and have a great day. I am running a company for developing Electronic circuits. We will design and test the circuit. this is purely analog circuit. Please feel free to contact us. Regards, S Lisää

100 $ USD 10 päivässä
(38 arvostelua)

This product needs to be designed properly in order to work correctly. I will design the schematic using some analog part where the it will take the input sinewave and shape it properly. Then there will be a microcontr Lisää

199 $ USD 10 päivässä
(40 arvostelua)

Hello Dear, I am an expert with more than 15 years of experience in the field of embedded systems, electronics and prototype development. I have checked the details of your project. I assure you the best solut Lisää

70 $ USD 10 päivässä
(20 arvostelua)

Hey I am an expert embedded software engineer. I have made many projects using many different micro controllers. Please contact me for more details.

70 $ USD 10 päivässä
(5 arvostelua)

Hi,Client. I have 13 years experience in circuit, PCB design, manufacture and assemble, firmware and application(VC++, QT, Labview) writing. I had developed many products ago using various microcontroller including S Lisää

83 $ USD 10 päivässä
(1 arvostelu)

Hi, Just wondering why you don't run a routine on your microcontroller to monitor the sin wave frequency on an analog input pin, chat to me about this because based on what you have said you shouldn't need any additio Lisää

100 $ USD 10 päivässä
(1 arvostelu)

Hi, Please share your complete project requirements(like max input voltage, size,...)/task expected from us. About us: We have 10 years of experience in Product development. Micro-controllers we can work on PIC Lisää

111 $ USD 10 päivässä
(1 arvostelu)

hi, I am an electrical engineer with experience of four years in embedded and power electronics industries. I have designed ofline UPS of 2 KVA with changeover in less than 3 ms. In this I used PLL and accurate freque Lisää

94 $ USD 4 päivässä
(1 arvostelu)

Excellent knowledge of embedded systems, microcontrollers. Please PM me with details on the preferred processor.

60 $ USD 2 päivässä
(1 arvostelu)

Hello . How are you .First of all i want to tell you that I have team of experts in required field. I am expert electrical engineer . writer, good graphic designer , and programmer. I am sure i can do your task bette Lisää

100 $ USD 4 päivässä
(0 arvostelua)

I can do your job with small budget. I will finish your job well according to my experience in this field.

61 $ USD 10 päivässä
(0 arvostelua)

Dear Sir, Greetings from Turkey. I hope you are good. Let me introduce me. I'm Electronics Enginner who have 19 year experience. My experience is related to power electronics, hardware design, analog design, P Lisää

83 $ USD 10 päivässä
(0 arvostelua)

A proposal has not yet been provided

55 $ USD 0 päivässä
(0 arvostelua)

A proposal has not yet been provided

70 $ USD 10 päivässä
(0 arvostelua)

Hi If you mean by micro controller "AVR Series" I am the right person to do the project. just tell me would you like it to be written in CodeVision or Bascom? I have 5 years of experience in AVR programming.

77 $ USD 5 päivässä
(0 arvostelua)

I have worked on Op-amp based circuits extensively. This concept is achievable. I need some more details, such as does frequency of sine wave will be interpreted by micro controller as count, or by analog.

111 $ USD 10 päivässä
(0 arvostelua)