Results tagged #Digital Lock in Circuits
Digital Lock Project
EncoderBit1(LOW) is negated with the hex inverter U5A and sent to the 4-input AND gate U3A along with EncoderBit0(HIGH), the above J-K outpu...
DIGITAL LOCK CIRCUIT
This circuit depends on the entry of a correct sequence code. An incorrect number that is not part of the code causes the circuit to reset. ...
Digital lock 4
The digital lock circuit is composed of the timing trigger circuit, trick lock circuit, sound and alarm circuit and control implementation c...
Digital lock 4
The digital lock circuit is composed of the timing trigger circuit, trick lock circuit, sound and alarm circuit and control implementation c...
Digital Code Lock
Digital Code Lock with efficient hacking prevention from Brute Force etc. The basic user lock is of 5 Digits and Master Lock is of 10 digits...
Digital code lock
This is a simple but effective code lock circuit that has an automatic reset facility. The circuit is made around the dual flip-flop IC CD40...
Digital Ber-password circuit
Circuit Kunci Digital Ber-password is the circuit diagram of a simple electronic combination lock usingLS 7220. Circuit Kunci Digital Ber-pa...
simple low cost digital code lock
In those circuits a set of switches (conforming to code) are pressed one by one within the specified time to open the lock. In some other ci...
Digital Entry Lock Circuit
A block pinout diagram of the LS7220 keyless-lock IC is shown. The keypad must provide each key with a contact to a common connection. In t...
Digital Entry Lock
A keypad enters a four-digit access code, which is programmed via jumpers on a 24-pin plug-in header and socket. Ul is a...
Digital Electronic Lock schematic
The digital lock shown below uses 4 common logic ICs to allow controlling a relay by entering a 4 digit number on a keypad. The first 4 outp...