Password Code Combination Keypad Lock Soldering Kit DIY

Features:

• Built in relay to turn on/off a solenoid lock or other electronic device when the code is entered correctly
• 6 digit password that can be changed
• Instructions not included. Chip comes pre-programmed. For electronics professionals.

• Buzzer
• Indicator LED indicator module
• Chipset: AT24C02
• Saves the stored password even when not connected to power
• If the password is entered incorrectly 3 times, the buzzer will sound and the alarm will be locked
• Keypad input
• 1602 LCD display
• Indicator light to show when the relay is engaged or not
• Relay has normally open normally closed contact that can be connected with external solenoids to lock / unlock a door, drawer, box, etc.
• There is an administrator password so even if you forget the password you've set it can be retrieved.
• Backlit display that lights up at night and is dark during the day to save energy while being able to see the screen clearly even in a dark room!
• Power Input: 3V to 5V DC
• Relay Information:
  • Relay Type: SPDT
  • Control Voltage: 5VDC
  • Max Switching Current:10A
  • Max Switching Voltage: 110VDC / 250VAC
  • Coil Power: 0.45W
  • Pin Arrangement: C:1 (NO/NC)