Modular Open Source Radio Firmware

Quansheng UV-K5 Firmware

Build a SDR SW/MW/LW Receiver with a Raspberry Pi Pico

基于最新2025年题库的业余无线电执照考试模拟应用，支持A/B/C三类考试，提供完整的模拟考试、智能化练习、关键词搜索、报名照片处理等功能，采用Next.js 15 + React 19技术栈，支持PWA离线使用，数据本地存储确保隐私安全。

a DIY Antenna Rotator by BG5DIW

A collection of cool projects to make!

Remotely open audio channels and a serial port to an Icom RS-BA1 server (for ex. Icom IC-705 transceiver).

Arduino Library for SINGLE-CHIP BROADCAST FM RADIO TUNER RDA5807

网页 UV-K5 写频工具箱

Quansheng UV-K5

A radio repeater controller (supporting both simplex and duplex operation modes) for the RaspberryPi.

Erics Master Frequency lists for RF tuning

BITX40 sketch for Raduino

Raspberry Pi Bot for Ham Radio

Run a DMR network server with a frontend, authentication, private and group calls and a parrot all in a single binary

业余无线电助手，基于Nonebot2

Amateur Radio Exam notes for Singapore

Web Interface for DXSpider hamradio cluster

IRC-like messaging system for HAM packet radio with additional APRS support.

Amateur radio related code written in go