New Products
RGB 16 addressable LEDs in 68 mm circle with headers ready for breadboadring.
Breadboard MCP2551 CAN driver
OpenFest 2026 – Soldering Workshop Recap
This weekend OpenFest 2026 took place at Interpred Center in Sofia, and as every year, we ran our traditional soldering workshop for beginners. Our youngest participant was 6 years old ..our oldest over 60! This year’s kit was an electronic dice with a shock sensor: shake it and it shows a random number. Before long, […]
New Open Source Hardware UEXT module adds 100MB Ethernet to PICO, PICO2 and all ESP32 which have no wired Ethernet
WiFi is great, but sometimes people want to avoid it – to prevent wireless attacks to their home network, or to connect devices behind metal walls, basements etc where WiFi can’t penetrate well. UEXT-CH390 is our new small open source hardware module that adds 100 Mbit Ethernet to any board with a UEXT or pUEXT […]
ESP32-C6-DevKit-Lipo becomes a Matter light: a step-by-step guide
Matter is the smart-home standard that Apple Home, Google Home, Amazon Alexa and SmartThings all speak. It lets one device work across platforms without being locked into a single vendor’s ecosystem. We wanted to show how easy it is to start developing Matter devices on open source hardware, so we wrote a complete, tested guide […]
ESP32-P4-PC got two new software demos – GSM LTE connectivity and full hardware features check
We have added two new demos to the ESP32-P4-PC GitHub repository. ESP32-P4-PC connectivity with GSM LTE 4G modem USB-LTE4G-EU (Arduino) https://github.com/OLIMEX/ESP32-P4-PC/tree/main/SOFTWARE/Arduino/ESP32-P4-PC-and-USB-LTE4G-EU This demo connects ESP32-P4-PC to our USB-LTE4G-EU LTE Cat 1 bis modem over UART. At startup it probes the modem, disables modem sleep, and reads the modem info, SIM status and signal quality. After […]
