Kits N Spares offers Simple Code Locking Circuit. Kits N Spares supplies various types of digital security systems, digital voltmeter, electronic auto dipper, electronic guard etc. Simple Code Locking Circuit responds only to the right sequence of four digits out of nine keys available on the keypad. Number of ICs used: 2. Simple Code Locking Circuit responds only to the right sequence of four digits that is keyed in remotely. If a wrong key is touched, it resets the lock. Simple Code Locking Circuit is fitted in cars so that the car can start only when the correct code sequence is keyed in via the key pad.
