Elektor Project: Wi-Fi for LoRa Switch
IoT

Elektor Project: Wi-Fi for LoRa Switch

Clemens Valens @ Elektor Labs writes: We published a remote-controlled switch in the March/April 2020 edition of Elektor magazine. It had state feedback and communicated using LoRa. Because it was housed in a waterproof IP66 enclosure, it was suitable for outdoor use. It was also a...

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Elektor Review: Siglent Bench Multimeter SDM3045X
Test Equipment

Elektor Review: Siglent Bench Multimeter SDM3045X

Harry Baggen writes: Every electronics enthusiast will have one or more multimeters. But have you ever considered purchasing a bench multimeter instead of a hand-held one? These usually offer many more features and a better display. The Siglent SDM3045X is a 4½-digit bench multimeter...

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Free Elektor Article: Differential Current Probe
Test/Measurements

Free Elektor Article: Differential Current Probe

Differential current probe with single-ended output, +/-18 V supply voltage, 6 MHz bandwidth, and gain of 2, set by a single resistor, can be increased. Designed by A. Rosenkränzer This current probe has a differential input and single ended output. Instrumentation amplifier AD8421 is...

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Free Elektor Article: Infrared Remote Controlled Dimmer
High Voltage

Free Elektor Article: Infrared Remote Controlled Dimmer

This IR remote controlled dimmer works with a triac and in its standard configuration is suitable for light electric heaters and incandescent lamps up to about 1000 watts. The PIC microcontroller used in the project can learn control codes from almost any remote control. Here’s power...

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Free Elektor Project: Q-Watt Audio Power Amplifier
Audio

Free Elektor Project: Q-Watt Audio Power Amplifier

Good news for all audio enthusiasts: we are proud to present yet another all-analog circuit developed entirely in house. Despite the simple design of this audio power amp with just one pair of transistors in the output stage, Q-Watt can deliver over 200 quality watts into 4 ohms with...

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Elektor Archive 1974-2019 in a USB stick for only 99.95€
USB

Elektor Archive 1974-2019 in a USB stick for only 99.95€

This handy USB stick (32 GB, USB 3.0) is loaded with all the Elektor magazine English editions (as PDFs) from 1974 to 2019. Elektor engineers, authors, and editors aim to inspire you to master electronics and computer technology by presenting professionally designed circuits that are...

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BalBot: a Self-Balancing Robot
Robots

BalBot: a Self-Balancing Robot

In contrast to technology and science, in everyday life, a distinction is rarely made between regulation and control. A mere control system does not monitor the output value, meaning that it can change due to external disturbances. A simple and typical example is the speed control of a...

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Free Elektor Circuit: Magic Key
Control

Free Elektor Circuit: Magic Key

An infra-red remote control for an (electromagnetically operated) lock? Nothing special, you will think. But some umpteen years ago this looked like magic, and it was very satisfying to build something like that yourself. Even if it was only to amaze the neighbors. Here you can see how...

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