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* This sketch shows you how to drive a 12V RGB LED strip using a TIP122 Darlington transistor. * The sketch makes the strip RGB LEDs to show random colors. * This is done by producing random PWM ...
PhotoInterruptor C++ class for using a Photo-transistor and Infrared LED pair for Arduino C++ PhotoInterruptor Class If the beam is broken, sample () returns true because the logic level at the top of ...
LED matrix. The LED matrix consists of 35 LEDs connected as per the circuit diagram. Seven transistors are used in the circuit to enhance switching action of the MCU. Collector terminal of each ...
“The LED may also flash when the E and C leads are switched, but the flash rate will be faster,” Gerbig explained. “This reflects the fact that some types of transistor will operate with their emitter ...
Recently, we published an entry-level Arduino project with a single seven-segment LED display. Although it’s an amazing DIY project, we noted that most of the readers are looking for more advanced ...
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