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

10MHz DDS Sine/Square Function Generator AD9835
Speech activity detector for telephone lines
Audio Clipping Detector Circuit
Arduino Analog Input
Another kind of relay driver board used to utilize your old PC
SPMC65P2408A application in one pair of mic identification directions
GSM Based Voting Machine System ECE Project Report
LM2917 frequency to voltage converter
Music Equalizer Display Circuit
Frequency counter hardware keys schematic