Radio remote control electric vehicle circuit

Relevant key device information applied in this article: TWH9238 CD4011 CD4013 CD4018 NE555 This electric model car remote control can not only make the model car move forward and backward, but also make left and right turns. It has a simple structure and is easy to operate. The radio remote control receiving and demodulating circuit uses the TWH9238 component, and the remote control transmitting component used with it is TWH9236, which is not shown in the figure.