Control of car central door lock and starting system

Relevant key device information applied in this article: ULN2003 HT600 TWH631 HT604 CD4081 K09561 7806 This circuit can realize remote unlocking and locking of car door locks, starting and stopping the engine, etc. It consists of two parts: the remote control and the host. In the car door When it is not closed, it cannot be locked remotely; when the handbrake is not pulled on, the generator cannot be started remotely, and the host can sound an alarm sound. Car central door lock and starting remote control circuit: Car central door lock and starting system receiving host circuit :