There are 2 repositories under si5351 topic.
Library for the Si5351 clock generator IC in the Arduino environment
Custom firmware for Vaisala RS41 and Graw DFM-17 radiosondes with support for amateur radio use. Ideal for tracking high-altitude balloons. Supported modes include APRS, Horus 4FSK mode, CATS, morse code (CW) and additional digital modes like WSPR and FT8 via Si5351.
Si5351 lib for STM32
Si5351 and Arduino based superheterodyne receiver
Raduino sketch v2 for bitx40 with digital BFO
Creating a public prototype of the "SWR-mouse" antenna analyzer PCB compatible with the G403 (Gainta Industries) ready-made case.
Time domain reflectometer. Includes Hardware, firmware and GUI in Octave. Also a diploma thesis.
A fully open sourced drop-in replacement for the DL2MAN Sandwich
Amateur Radio Single Sideband Transceiver Controller for Arduino and SI5351 Clock generator. Includes Dual VFO, single or double band support for 20 and 40 meter bands, CAT control, optional S-meter, multiple supported displays including options include 20x4 LCD, Color TFT, and 2.8" Nextion Touch Screen
esp32-genesis-player (work in progress)
VFO based on Si5351 and Arduino controlled by SmartPhone
High Altitude Balloon tracker for Arduino and Si5351, using WSPR protocol and Morse code.
An interface to the Silicon Labs Si5351 clock chip
Clock generators ( Si5351 for now ) toolbox.
WSJTX udp server demo using ESP8266. Supported message type: 1 (Status)
Funktionsgenerator auf Basis des AD9102
Simple FeldHell beacon for ESP8266, with the Etherkit Si5351A Breakout Board, forked from Jason Milldrum NT7S github
Scalar network analyzer developed to measure frequency response of filter, amplifier, transmission line and other frequency-dependent circuit.
Simple SI5351 based SWR resistive bridge antenna analyzer
Micropython code for the Si5351 which runs on the RPi pico 2040