Parking meters and vending machines detect and count the coins you insert, but how do they work? We’ll show you how to mimic the functionality with some particleboard, a Raspberry Pi Pico, a few extra chips, and some Python code.
The new vendor-independent, open Matter standard for IoT and smart home devices has what it takes to revolutionize the market. We describe its basic principles and explain how Matter works.
A battery-powered WiFi hotspot can provide useful services like file sharing even when you're off the grid. A Pi Zero 2 W as the hotspot with ownCloud installed does the trick.