Electronic Diagram Lamp Flasher using LM317

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Circuit Diagram

Figure 1. Electronic Diagram Lamp Flasher using LM317 (Source: Circuitstoday)

Component Parts

1. C1 = 2.2uF
2. C2 - C4 = 10uF
3. R1 - R3 = 10K
4. IC1 = LM317
5. L1 = 12V Lamp

Description

Electronic diagram like in Figure 1 above is Electronic Diagram Lamp Flasher using LM317. The base of this electronic diagram is LM317. According Circuitstoday site describe that this is a very useful lamp flasher circuit using the famous adjustable voltage regulator IC LM317T. LM317 can source up to 1A of current and so up to 12W lamps can be used with this flasher. Such a circuit finds huge application in automobiles. The frequency of the flashing depends on the value of resistors R1 to R3 and capacitors C2 to C4.With the given values; the flashing rate is around 5 flashes per second.

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