Rc Car Circuit Diagram. There are two blocks the transmitter remote control and the receiver robot car. 1 a shows a simple rc circuit that employs a dc direct current voltage source ε a resistor r a capacitor c and a two position switch.
To operate the toy car you need to hold the transmitter in your hand keeping it pointed at the toy car which has the receiver fitted inside and simply press a switch provided on. The circuit allows the capacitor to be charged or discharged depending on the position of the switch. Both the rf transmitter and receiver circuits need separate power supplies.
It uses simple integrated circuits ic and it is controlled wirelessly by a remote controller.
You can see the circuit for the receiver power supply on the right. The above remote control circuit consists of three important components keypad encoder ic ht12e and a rf transmitter rf433 module. The rc car decodes the signal and moves accordingly. You can see the circuit for the receiver power supply on the right.