| Li-Ion battery chargers are available online at very low prices, so why would you want to build your own? Because it is a practical, reusabl...
More about Elektor Labs (762)
| This project combines a handful of readily available modules with Arduino software to create an Internet radio that also serves as an alarm...
| This unusual circuit detects if the temperature of an object has passed a certain limit. A thyristor mounted on the object monitors the temp...
| We all know this. You walk past an automatic door of a shop, and it opens, even if you didn’t have the intention to enter at all. A waste of...
| A car drives up to the closed gate, where a high-resolution camera reads its license plate. If it exists in the gatekeeper’s database, the g...
| When our aged Radio Shack remote temperature and humidity station finally failed, I decided to replace it with a system of my own design. Th...
| Processing of continuous signals or other real-time dependent data requires microcontrollers to treat these in exact intervals of time. The...
| The MAX232 RS-232 line driver IC is widely used in communication lines between different devices. Today, they connect RS-232 ports to the in...
| Explore the innovative technique of virtual masses, where signals don't pass through the switch, but the ground takes on the role of "Mute/D...
| There are many variants of tiny keyboards, pianos and organs based on 555-type oscillators, Arduino boards, and microcontrollers like the AT...