What [Manuka] gives us is a circuit that is designed to be built into your project or project’s power supply. Using only an ultra-bright white LED, red blinking LED, PNP transistor, and a diode ...

By combining 49 of them he’s put together a soda bicarb diode steering circuit for a 7-segment display capable of showing the digits 0 to 9. He takes the idea for his diode from electrolytic ...

The semiconductor light-emitting diode, or LED, is a key component of today's ... is used as the light source connected directly to a circuit of modulated current.” Unknown and uncelebrated ...