Contains documentation for Vispero software support of Web standards

A controller for a multi-band homebrew SSB/CW transceiver, targeting Arduino Nano and si5351 PLL.

Arduino Si5351 library tuned for size and click free.

Amateur Radio Control & Clock (RF) Solution

VFO ESP32 Si5351

Raduino sketch v2 for bitx40 with digital BFO

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

Simple BFO with Si5351A controlled by Arduino

VFO based on Si5351 and Arduino controlled by SmartPhone

VFO for si5351, stm32 and ili9341 2.8" spi tft

Arduino controller for portable HF transceiver with an Si5351 oscillator, WSPR, memory channels, etc

HAM RADIO VFO for CODAN NGT transceiver using Arduino

A simple VFO for old or homebrew radios, full customizable with Atmega328.

This is an Arduino library for the Analog Devices AD9951 DDS chip. Learn more here: https://www.laserlance.com/projects/arduino-vfo-using-an-ad9951-dds-shield-and-library/

Digital Variable Frequency Oscillator to be applied to Citzen Band/Amateur Radio transceivers.

Config files for my GitHub profile.

A quad output variable frequency oscillator

Control of ADF4351 module from SV1AFN

Calculators and utilities for real-world electronic design