Firmware and Libraries
Xiaomi Mi Thermometer: Zigbee thermometer just by changing the firmware from a Bluetooth thermometer.
The Xiaomi LYWSD03MMC Bluetooth thermometer with relative humidity is one of the most affordable sensors for smart homes. In its factory state, it only transmits data via Bluetooth Low Energy…
The end of the friendship between Adafruit and SparkFun.
In recent days, the more observant part of the DIY and developer community may have noticed that something is happening around the popular Teensy development boards. Two well-known companies –…
Adjustable power source for travel? Powered by USB-C with a power output of several dozen watts.
A portable adjustable power source powered by USB-C caught my attention from the PocketPD crowdfunding campaign, and while searching for competitors, I came across several others.
Pocket Oscilloscope. Web Oscilloscope with ESP32-C6.
What can we create with the powerful ESP32-C6? Blink an LED? Measure temperature? How about a pocket-sized oscilloscope? That’s the ESP-Scope project by Matt, and the entire project is freely…
TermDriver 2 from Lab401 – a small but powerful USB-UART/Serial sniffer with the option to expand to I2C and SPI.
Lab401 introduces its TermDriver 2, a device that simplifies debugging and communication between devices without the need for a connected computer. The built-in LCD display allows you to see real-time…
How I revived a dead adjustable power supply RIDEN RD6006 and uploaded the latest alternative firmware. It also works on models RD6006P, RD6012, and RD6018.
I got my hands on a “dead” adjustable power supply, the RIDEN RD6006. Upon powering it on, it showed no signs of life. So, I set out to revive it,…
Dashboard on the status of Alfa Romeo Giulia and Stelvio with ESP32.
I don’t have an Alfa, but I came across the GiuliaAndStelvioDPFMonitor project, designed for owners of diesel Alfa Romeo Giulia and Stelvio 2.2. It’s a dashboard project that reads various…
Internet radio receiver with ESP32. Complete guide including 3D printing. Home Assistant support included.
The YoRadio project is an open-source internet radio built on the ESP32 Wi-Fi and Bluetooth chip with the ESP32-audioI2S library. It features complete documentation, a wide range of supported displays,…
ESPHome has come out with a major update. One new feature after another and many significant improvements.
ESPHome 2025.8.0 brings significant updates in hardware support and major performance improvements along with memory optimizations. Released on August 20, 2025, this update enhances the platform’s capabilities, particularly with support…
3D printed box full of sensors for measuring air quality with Wi-Fi, Bluetooth, and open-source firmware.
The 3D printed box, which you can easily overlook on the wall, is filled with various sensors for measuring air quality. Inside this inconspicuous box are sensors that measure temperature,…
