‘Elektor.POST’ – the weekly, online edition filled with Elektor content! Our web editors send Elektor.POST to you every Friday morning, making sure it is packed with the latest and most interesting news, downloads, tips & trends from the world of electronics. Additionally, you will be quickly and comprehensively informed about current and upcoming Elektor projects, as well as the extensive range of special Elektor products, before anyone else!
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March 1, 2017
How to Produce NEC-style Remote Control Signals
The ATmega328PB micro at the heart of the Elektor Uno R4 is equipped with a so-called Output Compare Modulator (OCM). This peripheral, together with a few more, is not available on other versions of the ATmega328 found in standard Arduinos like the Uno R3. The OCM is great for generating infrared (IR) remote control signals.
February 21, 2017
Build a solar-powered Wi-Fi repeater that's always on(line)
Wi-Fi is great, when the signal strength is good. Indoors this is usually the case, but if you want to extend your network to cover for instance the garden all the way down to the shed, you will probably run into problems at some point. This is where Wi-Fi range extenders come in, or repeaters. Some Wi-Fi routers can also be configured as a repeater, but they often need a finger to push the power button before they will switch on. Here is a project to work around this silly problem. It allows you to have a repeater that remains on all the time, and, what’s more, it is solar-powered too. No need to dig trenches to bury the power cable in, and always a good connection.
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