HT303 LCD Code Lock (12 key) / Electronics DIY Hobby Kit Set

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Introduction

HT-303 is a LCD Code Lock with 12 input keys, owner can change the password easily . If the sequence of the password is correct, the relay will turn on.  Press the password again to reset the relay.

If the password is incorrect , the buzzer will buzz  for few seconds .

There are 3 control buttons: Reset, Display and SET

Reset: Reset the settingDisplay: Display the password

SET: Set new password

 Product Features

• Working Voltage: 9V -12DC or 9VAC
• With ACV to DCV rectifier circuit
• 12 input keys (keyboard) 
• Use 7805 regulator IC to stabilize the working voltage
• Can drive a magnetic lock or any AC or DC load 
• Use Microcontroller AT89S8252 IC to program
• Can change the program to suit you need ( *additional charge)
• Use LCD display to display the password
• Can reset password ( control by the owner)

Note

• You need to have a soldering skill and basic knowledge of testing
• For any inquiry or other technical problem please email us!
• Email: Nikkoleofockxing@hotmail.co.uk