| Construct this easy-to-make tool to detect hidden magnets and sensors inside modern appliances. You will find it ideal for repairs, experime...
| Construct this easy-to-make tool to detect hidden magnets and sensors inside modern appliances. You will find it ideal for repairs, experime...
| ESP32's ADC suffers from poor response at low voltages, causing non-linearity. This project introduces a summing amplifier circuit to linear...
| Check out the latest installment of Elektor Lab Notes. We cover some of the newest projects on our workbenches, including data loggers, reco...
| Watch this new episode of Elektor Lab Talk to learn about what’s going on in the Elektor Lab! Our engineers talk about sensor technology, a...
| Extend your UPS and solar battery life! PbMonitor shows real-time voltage, current, and temperature per battery — built with ESP32-C3 and MQ...
| Want to remotely monitor visitors at your door? Why buy an off-the-shelf door monitoring solution when building your own is more rewarding?...
| Explore how the integration of a standard ultrasonic sensor, a vibration motor, and one or two microcontrollers resulted in a functional enh...
| Precision, high-performance A/D converters, unlike the most common ones, require some extra technical considerations for interfacing and sig...
| Detecting a magnetic field is a relatively easy task, but measuring its intensity is far more complex! The author of this article describes...
| Extend your UPS and solar battery life! PbMonitor shows real-time voltage, current, and temperature per battery — built with ESP32-C3 and MQ...