Very Tiny Palmtop Vector Network Analyzer

This is a simple CW beacon project based on Arduino and Si5351 clock generator. It transmits a predefined message as morse code on a fixed frequency.

VFO for si5351, stm32 and ili9341 2.8" spi tft

Very minimalistic 20meter transceiver Digital Frequency Synthesizer with 0.96 or 1.3 inch 128x64 OLED Display for Ham-radio use

Modified version of Si5351_OLED_DFS for simple CW TX use or DC receiver.

Library for the Si5351A (10 MSOP - 3 Clocks Only) clock generator IC in the Arduino environment , based on NT7S library.

A quad output variable frequency oscillator