Calculators and utilities for real-world electronic design

Simple FFT and Waterfall/Spectrum Analyzer with @react-three/fiber and WebGPU (poor support right now in @react-three/fiber, but this works excellently!)

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/

VFO

Control of ADF4351 module from SV1AFN

CatIVity - CAT protocol (Icom CI-V) based remote VFO tuner

HAM RADIO VFO for CODAN NGT transceiver using Arduino

VFO for si5351, stm32 and ili9341 2.8" spi tft

Config files for my GitHub profile.

VFO software for Iler-20 qrp radio

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

A quad output variable frequency oscillator

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

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

Arduino Si5351 VFO Code with 10 MHz Calibration and Iambic Keyer for Tuna Tin S QRP CW Transmitter

VFO based on Si5351 and Arduino controlled by SmartPhone

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

VFO ESP32 Si5351

Simple BFO with Si5351A controlled by Arduino