74HC192 ( Presettable Synchronous Counter) pulley 8mm This setting can be easily

This setting can be easily overridden by tying the MS1 or MS2 pin to ground

Using the tone() function will make the buzzer sound

circuit is connected when magnet is near the switch

Insulated electricity power ：600VAC/1mA/1s

count up clock input[1]

74HC192 ( Presettable Synchronous Counter) pulley 8mm This setting can be easily74HC192 is a Presettable synchronous 4 bit binary up down counter Specification Propagation Delay Time: 215 ns at 2V 37 ns at 6V Output Current: 5. 2 mA at 6 V No. of Inputs: 4 No. of Pins: 16 Operating Temperature Range: 40 C to +125 C. Supply Voltage Range: 2V to 6V Package: DIP 16 Sympol pin Description D0 15 data input 0 D1 1 data input 1 D2 10 data input 2 D3 9 data input 3 Q0 3 flip flop output 0 Q 1 2 flip flop output 1 Q2 6 flip flop output 2