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Red, yellow and green - the universal language of status. This 5mm LED pack supplies the trio for traffic light models, go/wait/stop indicators, battery meters and every status panel in between. Wire each with a ~220Ω resistor from your 5V logic and they will glow happily for years. A classroom essential and a drawer staple.
The parts this one is wired with in our kits — have them on the bench before you start.
Red, yellow and green - the universal language of status. This 5mm LED pack supplies the trio for traffic light models, go/wait/stop indicators, battery meters and every status panel in between.
Wire each with a ~220Ω resistor from your 5V logic and they will glow happily for years. A classroom essential and a drawer staple.
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