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Lego automatic LED flasher light by Chayapol Posted: 13 Jan 2016 08:53 PM PST Today Chayapol want to build the simple automatic flasher circuit. It is special that it will be light on dark. This circuit use 5 parts only and cheap. He like to play LEGO very much so builds Lighthouse tower by LEGO block. How circuit works As Figure 1, this circuit use the simple transistor driver for flashing LED. He uses the Multi color Flashing LED for LED1 He assemble them on small breadboard as Figure 2. When apply the 2.4V power supply to the circuit. The small current flow through to R-10K to base lead of transistor Q1- 2N3904, makes large current flow through collector to emitter lead, and LED1 will glow up. As Figure 3. Figure 1 the simple The post Lego automatic LED flasher light by Chayapol appeared first on Electronic projects circuits.

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