A TX-only TNC (Terminal Node Controller) to generate the AFSK (Audio Frequency-Shift Keying) audio tones for APRS (Automatic Packet Reporting System) messages using a RP2040 microcontroller on a Raspberry Pi Pico board.
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Bitbanged DVI on the RP2040 Microcontroller
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Analog-to-Digital Converter (ADC) - Temperature Measurement Using AVR128DA48 Microcontroller
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RGB lighting with WS2812 using AVR128DA48 Microcontroller with MCC Melody
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pico-debug runs on one core in a RP2040 and provides a USB CMSIS-DAP interface to debug the other core
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SSTV transmitter board provides a Slow-scan Television (SSTV) signal generator with PSK/CW telemetry, APRS uplink, and camera module. It is based on STM32F446RET6 microcontroller.
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FT8 library. A C++ implementation of FT8 protocol, mostly intended for experimental use on microcontrollers.
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Pecan Pico 9 - A lightweight APRS tracker for balloons
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