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 (BLE), which can be limiting—especially if you use a Zigbee network as the main backbone for home automation. However, this can be changed with the z03mmc project from developer devbis.
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Lego has introduced the biggest innovation in decades – the interactive Smart Brick.
LEGO has introduced one of its most significant innovations in decades – the Smart Brick. It’s not just a brick with lights. This small brick contains a lot of electronics…
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 –…
I tried the FNIRSI DMC-100 clamp multimeter.
I got my hands on a clamp multimeter – it measures AC/DC current using a sensor in the clamps, and through the terminals, it measures voltage, resistance, diodes, and more.…
We are learning to use automated image detection with AI. Real application on OnlyBirds.cz.
Object, animal, or person detection can be easily accomplished today thanks to AI. Michal Ševčík wrote this article for his project OnlyBirds – bird detection. The same knowledge can be…
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…
Raspberry Pi prices are increasing by up to 20% due to the cost of RAM. Other prices will also rise.
One crisis after another: a shortage of capacitors, components, rising raw material prices, and logistical issues, and now we have a new crisis stemming from a lack of RAM. The…
USB-C, myths and nonsense.
An article about USB-C was published on HN, and I simply have to respond. Besides a few inaccuracies, there has also been a wave of nonsense and myths on social…
Soldering pen Sequre S99 – what is it like? Opinion from a hobbyist’s perspective.
The Sequre S99 is an interesting soldering iron. It combines high performance with very high-quality JBC tips, and the price of the soldering iron is well below 1000 CZK. What…
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…