DETTAGLI • Elektor Video Olympics ... and the winners are... • Universal USB Charge Controller Chip No microcontroller, just 6 pins • Electromagnetic Interference from LED Lamps Fourteen examples compared • Tektronix Readout System Peculiar Parts, the series • DCF77 Emulator with ESP8266 Replace over-air time by Internet time • Multi-Timer Switches up to 16 channels • From Russia with Love... 400+ circuits on 400 pages • ESP32 Low Power Programming the ULP coprocessor • Chimes for the Elektor Sand Clock Shake, rattle and beep • RF Power Meter For measurements up to 10 GHz • Q&A: (almost) everything you wanted to know about… Nixie Tubes • Engraving Machines Under Test Are low-cost laser engravers from China good value for money? • Soft Start for PSU Be nice to your power supply – and its load • ESP32 Design Contest 2018 Two 32-bit CPUs, a 2.4-GHz radio plus Wi-Fi and Bluetooth • HomeLab Helicopter • KiCAD Community-powered PCB design • A Cloud in the Shape of a Raspberry install a cloud in your living room • Readers Tips and Tricks Data Logger hack • Remote Water Level Meter For a precious commodity • Platino “Fits-All” Serial Bus Tester Debug serial comms issues with ease • Supercaps Low voltage but lots of current… or not? • Powerbank Surprise • Timers for the Wi-Fi Desktop Thermostat Seven channels with atomic accuracy • A Simple Digital Audio Amplifier Using a CMOS IC in an analog circuit • Measurement Data Acquisition via USB For heating system optimization • BASIC and the Embedded World Set to work with a PICAXE • Current Transformer for Oscilloscopes Potential-free (floating) measurement using current clamp techniques • Err-lectronics Corrections, Updates and Feedback to published articles • HP650A Test Oscillator (ca. 1948) Retronics series • Internet Censorship during the Catalan Referendum Elektor Ethics series