5Pcs Electronic Dice Diy Kit 5Mm Red Led Interesting Parts Ne555 Cd4017 Production Suite

Description : Electronic dice kit is based on the NE555 oscillator circuit and fun circuit CD4017 counter display kit. Can simulate the dice, make fun of the game. Parameters : Supply voltage : 4.5-5V Dimensions : 74 x 35mm Note : This is a DIY kit, you need to assemble it. Quantity : 5 set Function : 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. Circuit diagram : Lees meer over de 5Pcs Electronic Dice Diy Kit 5Mm Red Led Interesting Parts Ne555 Cd4017 Production Suite van huismerk in de productgroep elektronica