Product Introduction:
1.Voltage Power Supply: 4.5V-6V
2.Function: when start up,7pcs LEDs will display one number randomly;if the player presses the switch S1 for once,7pcs LEDs will be all on;after several seconds,7pcs LEDs start to flash until it displays a stable number in the end.And the whole process "toss darts" is over.
3.Circuit: mainly composed of pulse generator and a decimalism counter circuit.Pulse generator is made up of NE555 and peripheral components.When press S1,Q1 will be connected,NE555 3 pins output pulse,and then CD4017 5pcs output ports will output high level in turn.By resistor and triode different combinations,it can drive 7pcs LEDs and let them on so as to display 1-6 number.
Package Included:
1 x DIY Electronic Dice NE555 CD4017 DIY kit 5mm Red LED 4.5-5V Learning Electronics
Instructions/schematic are NOT included. We don't provide technical assistance please make sure that you are familiar with the product before purchasing.