| Check out this rugged, battery-powered infrared trail counter that logs entries and exits to SD card. The counter is designed for low power...
All items tagged with counter and Elektor Labs (3)
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| If you ever need a large display to keep the score for games, or a counter for sports events, this is the thing to build. With its four tall...
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| All that’s required to measure radiation is a simple PIN photodiode and a suitable preamplifier circuit. We present here an optimised preamp...