Reaction Timer

Posted on Feb 13, 2013

This circuit uses a timer to generate pulses at a 5-ms clock rate. The pulses are shifted into the shift register, one at a

Reaction Timer
Click here to download the full size of the above Circuit.

time, lighting an LED. An auxiliary timer that generates one pulse per second is used to generate timing to activate the "go" LED and start the 5 ms pulses clocking into the registers. At the go signal each player presses his buttons (S3 or S4). The delay (reaction time) is read out on LED 4 to LED 17; after six seconds, the sequence repeats.

Leave Comment

characters left:

New Circuits



Popular Circuits

Dancing LED's circuit
Compound Op Amp Vco Driver
Fire Fighting Robot (AT89S52)
power window 3 prong safety relay
standard operational amplifier op amp circuits
Switch Timer For Bathroom Light
Another simple DC protection
PIC16F628 4 RGB LED PWM Controller
Three-phase asynchronous motor PTC protection circuits
Discrete components sound and light control stairs delay switch circuit 8
Frequency sensitive rheostat manually start reversing circuit