ClemensValens (89)

| A single circuit to power a Raspberry Pi equipped with a hard disk.

| Portable and flexible stand-alone thermostat/timer/switch capable of switching a 2500 VA load with Wi-Fi interface.

| An Elektor Platino-based system intended as a debugging tool for serial communication busses.

| Several companies sharing the same building all need a doorbell for visitors. The exterior of the buidling may not be altered significantly....

| ESP32 Design Contest 2018 - Do your ESP32 (Internet of) Thing and win the Grand Prize! The winners are...

| Record a short video about something Elektor and maybe win a 3D printer, digital oscilloscope or one of the other prizes! Now voting!

| Thermometer using an EMC1001 I²C temperature sensor and an 8x8 LED matrix SPI Click board as display.

| Here is a simple, little circuit that makes loud, useless noises with an ATtiny45 programed in Bascom-AVR.

| Design an all-analog fading LED circuit, post it on Elektor Labs, and make a chance to win a €100 gift certificate. Here are the results!

| Here is an all-analog, all-through-hole, cheap & cheerful preamplifier for that perennial problem of getting the microphone amplification ju...