| DMX512 is used for controlling lights over a standard 2-wire half duplex RS485 interface. Generating DMX signals is not so easy as there are...
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| This 4th order audio filter design is based on four LDRs controlled by one LED. Driving the LED you can control the cutt-off frequency from...
| DMX512 is the official standard for transmitting up to 512 channels of lighting signals (a DMX universe) over a standard 2-wire half duplex...
| A cue light is a system of one or more electric light bulbs (usually traffic light colors) used to allow silent cues to be given to technici...
| Wouldn't it be handy to have a flashlight that turns on automatically when you pick it up? Well, this small circuit will make your wish come...
| Today, with the corona virus going on and the whole world virtually in lockdown, touchless control probably is the way forward as it can hel...
| NASA reports that construction and testing of the rocket and capsule for the 2024 manned Artemis mission to the moon is temporarily suspend...
| In the second episode of this series we described and energy-efficient relay with a few interesting characteristics. Here the authors elabor...
| The Six Digit Nixie Clock we published in Mai 2016 was greeted with a lot of enthusiasm. One of its users, F1Andy, posted a design for an up...
| This is a submission from Keysight about their presence at productronica 2019. Productronica is the leading trade fair for electronics devel...