DIY digital beamformer using ADALM-PLUTO

NFC signal and protocol analyzer using SDR receiver

Predatory ESP32 Firmware

Tweaks and fixes for Zeeweii oscilloscopes

Custom firmware for the Xiaomi Thermometer LYWSD03MMC and Telink Flasher via USB to Serial converter

Versatile, feature-rich and user-friendly custom firmware for ALL revisions of Vaisala RS41 radiosondes

全功能泉盛UV-K5/K6固件 Quansheng UV-K5/K6 Firmware

Parse, replace, and extract data from Winner Micro .fls firmware files

How to use a Vaisala RS-41 radiosonde Ublox GPS as an standalone GPS receiver.

ESP32Marauder Cheap Yellow Display

This is a fork of Egzumer https://github.com/egzumer/uv-k5-firmware-custom

Open source handheld ham radio project KV4P-HT

Custom firmware for Geiger counters/radiation meters (FS2011, Bosean FS-600, FS-1000, FS-5000, FNIRSI GC-01)

A handheld Linux terminal using Raspberry pi Zero 2W as Core with 4" 720X720 TFT display

Weak Signal Propagation Reporter on a breadboard

FT8 library

Run FT8 on Android

a PCB for a lightweight qrp Balun (1:1, 1:4 or UnUn 1:49)

Multiple phase DIY energy consumption monitor using ESP32 and ESPHome

Meshtastic device firmware

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, mors…

Vaisala RS41 radiosonde firmware written in Rust

G-code generator for 3D printers (RepRap, Makerbot, Ultimaker etc.)

A stepper motor driven, 3D printed and Arduino controlled pan/tilt mount.

ESP32 IoT Gateway board with BLE WIFI and Ethernet

A WSPR, Solar Powered, Pico Balloon

Minimalist WSPR tracker for pico-balloons utilizing Raspberry Pi Pico (or Rp2040) as the RF generator (aka The Cheapest Tracker In The World™). More info: [WIKI](https://github.com/EngineerGuy314/p…

SI473X Library for Arduino