µCs & electronics

avr-cat-smeter
A simple program for fetching the signal meter level from a Yaesu transceiver over CAT and displaying the level on an analogue meter using a PWM signal. Runs on Atmel AVRs with a serial port and PWM output.
Platform:
Atmel AVR, C
Status:
Working
Download / View source:
http://picofarad.org/download/avr-cat-smeter/
Git:
git clone http://picofarad.org/git/avr-cat-smeter.git/ [@GitHub]
avr-max293
AVR adjustable frequency generator for clocking a MAX293 switched-capacitor filter.
Platform:
Atmel AVR, C
Status:
Working
Download / View source:
http://picofarad.org/download/avr-max293/
Git:
git clone http://picofarad.org/git/avr-max293.git/ [@GitHub]
avr-psk31-beacon
PSK31 (BPSK31) beacon generator with AF output using PWM. This probably needs more work to make the output signal purer.
Platform:
Atmel AVR, C
Status:
Working
Download / View source:
http://picofarad.org/download/avr-psk31-beacon/
Git:
git clone http://picofarad.org/git/avr-psk31-beacon.git/ [@GitHub]
avr-scout-kenwood
Receives frequency output from Optoelectronics Scout and produces suitable tuning commands for Kenwood equipment. This needs some more work, but it does at least come with unit tests.
Platform:
Atmel AVR, C
Status:
Work needed
Download / View source:
http://picofarad.org/download/avr-scout-kenwood/
Git:
git clone http://picofarad.org/git/avr-scout-kenwood.git/ [@GitHub]
avr-tv-tuner
Very preliminary code for controlling a “standard” Philips TV tuner module over I2C.
Platform:
Atmel AVR, C
Status:
Work needed
Download / View source:
http://picofarad.org/download/avr-tv-tuner/
Git:
git clone http://picofarad.org/git/avr-tv-tuner.git/ [@GitHub]
avr-vs1002
Code for streaming output from a serial line to a VLSI VS1002 MP3 decoder chip. I haven’t been able to get this working yet.
Platform:
Atmel AVR, C
Status:
Work needed
Download / View source:
http://picofarad.org/download/avr-vs1002/
Git:
git clone http://picofarad.org/git/avr-vs1002.git/ [@GitHub]

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