1.Product describe: The product consists of 10pcs 5mm red light-emitting diodes. After pressing the switch, the LED lights flash rapidly in turn, and randomly stays after a few seconds. One of the LEDS is on and the other LEDS are off. This formed a lucky turntable.
2.Principle of the circuit:LED electronic lucky turntable consists of NE555 and CD4017 decimal counter / pulse distributor. 10 light-emitting diodes simulate a lucky object.
3.Welding skills:The resistor does not distinguish between positive and negative electrodes; the long pin of the capacitor is positive; the long pin of the LED are positive;
4.The integrated circuit is first installed with a socket, and the chip is installed after the circuit is completely installed.
5.Note that the chip notch position is installed facing the circuit board notch mark.
3.Input Voltage:3 6V
4.Solder Wire: 0.8MM
8.Model Number:Electronic Lucky Turntable DIY Kit
1 * Electronic Lucky Turntable DIY kit