HT-304 is a Electronics code lock.
This kit contain 2 parts, thefirst part is control panel which consists of 12 key and 2 LEDs. The second part contain logic IC and the code is set by connecting k1 and k2.You can use any desired combination code and up to 9 positions.The unused code can connect to VDD. If any of the unused code is pressed, it will reset the circuit.
If the sequence of the password is correct,the output will supply voltage.
You can connect the output to an external relay to control load.
Last Updated @ 8/1/2013 5:51:11 PM
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