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Keypad Circuits

  

Circuits




This is a pic based digital lock circuit and it used PIC16F628A. 16x2 LCD is used for the display the information and keypad is used for enter the code. (#) will clear the display and (*) will ente...

The Keypad must be the kind with common terminal & a separate connection for each key. On a 12 key pad look for 13 terminals. The matrix type with 7 or 8 terminals will not do. On the Support Page ...

Hey (I apologise if this is in the wrong place), On my current circuit (its a electronic poker chip device) currently the inputs are PTM which send out...

A digital combination lock using a push button keypad. The combination can be changed and the lock has an entry delay. Notes When wired to a ten-digit keypad, the circuit will recognize one 4 digit...

The circuit was designed to function as an electronic keyboard using CMOS 4081 integrated circuit. Keypad – a set of buttons arranged in a block which u.

Our range of Circuit repair materials includes the Rubber Keypad Repair Kit. The Rubber Keypad Repair kit is used to easily repair rubber keypads. The kit comes with everything you need to repair a...


Electronic Keypad Lock Project using 8051 Microcontroller (At89C51) with circ...


Keypad lock


electronic safe with keypad entry and solenoid lock


Keypad Circuit