Remote control toy car circuit can be used to on and off the motor of the toy car with the help of your remote. You can use any remote of TV, AC, DVD player to control the movement of motors.
This low cost circuit is based on the CD4017 counter IC which receives trigger pulse from IR sensor and switch ON the relay. And with the relay, motors are connected which also get switched ON. Upon receiving the second pulse motor gets turned OFF.
You can control your toy car upto 5 meters range. This is a simple circuit based on infrared sensor IC TSOP1738. TSOP1738 contains photo detector and preamplifier in one package. It is three terminal device having pin 1 configured for ground, pin 2 for power supply and pin 3 as output. Keep on reading to find out how the circuit works.