Write software simple modem
Buget $30-250 USD
It is necessary to make firmware on ready-made STM32 debug boards that will implement modem functions for an analog line. Block diagram attached. The flow rate is up to 20 kbps over an analog communication line.
Analog line: frequency band 400-3000Hz, data rate up to 20kbps
experience in writing QAM modulators / demodulators, signal equalizers, digital signal processing is required.
5 freelanceri licitează în medie 192$ pentru acest proiect
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I have used stm32fxx in most of my projects and it is my main microcontroller. I have used most of its families f103,f107,f215,f406,f411,f429,f446,f469,f769,l422,l432,l562. I used many ides with stm32 like keil, iar, c Mai multe
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