The Raspberry Pi Zero is a frugal little computer. But without a power socket, you might be surprised how quickly it can drain a battery. Active power management is the order of the day.
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.