26 Oct 2017

Christmas LED Ring Oscillator using NPN and MOSFET transistors



Here is a simple three LEDs ring oscillator replaced NPNs with the MOSFETs. Use all LEDs with the same current or same type (color). RGB led will not work as you can expect.

Schematic:
LED Ring Oscillator using NPN and MOSFET transistors
LED ring oscillator using NPN and MOSFET transistors
Update.
Two LEDs oscillator based on 2n3904 transistors and LDR
Two LEDs oscillator based on 2n3904 transistors and LDR

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