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Smart christmas decoration. A tree-shaped PCB with ESP32-C6 SuperMini and addressable LEDs, powered by a rechargeable coin cell battery

Bezpečná pájecí stanice s regulovatelným zdrojem

HAB tracker developed in conjuction with the "Touch the Universe" project

Miniaturní vánoční stromeček s RISC-V procesorem CH32V003 a jednoduchými LED, napájený z penízkové baterky

Radio satelite for the CANSAT competition held by European Space Agency ESA developed by team from radioclub OK1RAJ.

Serial server for DSerial written in C/C++

Development board for the 8th generation RAJx HAB tracker

Pico High Altitude Balloon WSPR Tracker v7.0

A new generation of the programmable christmas tree decoration with RGB LEDs - now featuring an ESP32-C3, USB-C and an 18650 Li-Ion battery with on-board charging.

"Hardwarově programovatelný" vánoční stromeček s čítačem 4017, napájený z AA článků

8th generation of the RAJx HAB tracker

Retro-fit control board for a Minecraft LED torch from Aliexpress, featuring ESP32-C3

A simple extension board for the ESP32-C3 SuperMini, adding a microSD card and an optional lithium battery charger & voltage regulator.

Memíky na plošňáku. Memíky na plošňáku. Memíky na plošňáku. Memíky na plošňáku. Memíky na plošňáku.

Vánoční stromeček s Arduino Nano, 10 RGB LED a tlačítky

Simple bash script to change sslh, apache and openvpn settings to enable/disable port sharing with a single command