FK134 – 1 LED with 2 different Colours Flasher. Each colour flashes alternately.
This is a very low cost and easy-build introduction to basic electronics. PCB Dimensions 22.9 mm x 30.2 mm – Powered from 6-9VDC.
Use this demonstration of using 2 different LEDs to form a third colour (in this case Amber).
The oscillator Circuit is the same as the FK109, but the LEDs are housed in the single device.