This is a novel flasher circuit working with a single driver transistor that will take its flash-rate from a flashing LED. The flasher in the photo is 3mm. An ordinary LED is not going to work. The flash rate are not able to be altered by the brightness of the high-bright white LED can be adjusted by replacing the 1k resistor across the 100uF electrolytic to 4k7 or 10k.
The 1k resistor discharges the 100uF so that when the transistor turns on, the charging current into the 100uF illuminates the white LED. If a 10k discharge resistor is applied, the 100uF will not be completely discharged and also the LED isn't going to flash as bright.
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| Foto Rangkaian Led Flasher |
All of the components within the photo are in the identical places as in the circuit diagram in making it easy to learn how the components are joined.
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