ITEM NAME:DIY Electronic Dice Kits Suite LED Circuit Kits Stable 4.5-5V Red LED Lights Kn Featureï ¼Å¡ Brand new and high quality. P roduc t Features: Supply voltage: 4.5-5V Dimensions: 74x35mm Fine workmanship and durable. Stable and reliable Function play: When a power-up, 7 LED will randomly display a number of points, players press the switch S1,7 all lit LED only after about 7 seconds LED light starts blinking, until finally showed stable points. Throughout the end of the first "crap" process. Circuit: Circuit mainly by the pulse generator and a decade counter circuit. Pulse generator and external elements by NE555 multivibrator, when you press the button S1 when Q1 turns on, the output pulse NE555 3 feet, then five turns the output CD4017 output high, resistors and transistors by different combination, can drive seven LED light to indicate the number of points 1-6 points Package included: 1 x DIY Electronic Dice Kits Suite LED Circuit Kits Stable 4.5-5V Red LED Lights Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!.Circuit mainly by the pulse generator and a decade counter circuit. until finally showed stable points. Throughout the end of the first "crap" process. players press the switch S1,7 all lit LED only after about 7 seconds LED light starts blinking.
