The 2022 version is a 2 color version, i used 2 resistors. Also in last years version to reduce the amount of components i use only one resistor per color/group of led.
The value of the resistor depends on the voltage of the power supply. ( I decided to power it with a 9 volt battery )
Components list:
- 2*6 leds flashing leds ( 12 leds, 6 leds of each color)
- 2 resistors
- 1 small switch
- one 9 volt battery with connector
- 1 piece of perfboard
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