Ra Radiosonde Receiver - Firmware

A small Wordclock for the Desk

4FSK HorusBinary V1 and V2 compatible HAB tracker for SX127x and Arduino Pro mini

ESPhome on my Sonoff NS Panel

ESP8266 Wemos D1 to setup the Radiosonde RS41 at startup. It will modify the TX registers 75, 76, and 77 to select an arbitrary frequency, usually inside the radio amateur band

Transmit ggwave encoded messages with an SDR

Browser-Based High-Altitude Balloon Chase Map

RF transmitter for Raspberry Pi

Expansion board for Raspberry PI allowing to use coaxial SMA output instead of direct wire connection to GPIO to connect radio equipment when working with the rpitx package.

ESP32 TouchDown

How to reload software on your NanoVNA for the complete idiot

Like nmap for mapping wifi networks you're not connected to, plus device tracking

MySensors sketch for communicating with Visonic PowerMax

LoraWAN gateway with RAK831/iC880A and Raspberry Pi Zero W for TheThingsNetwork

Wireless nRF24 MySensors IoT node

Custom hardware designs for a super tiny $5 WiFi (RGB enabled) LED dimmer module based on the ESP8266

A LoRa shield for WeMos D1 mini boards

Code for NodeMCU based double-pulse battery tab welder

This program show you IMSI numbers of cellphones around you.

Native macro key support without any extra hardware. CUE SDK enhanced

A custom 4x4 keyboard plus two rotary encoders

OLED display and ESP8266 working as Slack pager!

A new, customizable Arduino NMEA parsing library

Affordable WiFi hacking platform for testing and learning