Lighting & Studio
Samsung Galaxy S21 OLED Screen Replacement
Original price was: $180.00.$90.00Current price is: $90.00.

With this kit you will learn to build a two-transistor flasher that flashes two LEDs similar to train crossing lights. You will learn how to build a oscillator that generates a few pulses every second so that the LEDs flash. This kit is ideal for beginners who want to practice soldering electronic components to a PCB and learn how transistor oscillators work.
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