Simple Combination lock Project with keypad and LCD

Combination Lock with LCD and Keypad using pic16f628A:

A Brief Description:

This project is written in C language. The basic user lock is of 2 Digits.
The input is taken from a 4x3 Keypad (please see the schematic for more information) and Display the user input on a 2x16 LCD. A pin is assigned as output for activating and deactivating the lock. For demonstration I have connected an LED to that pin.

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Author: DAT | Date added: Sun Dec 02 2007, 12:42 PM

Conversation

ExperimenterUK
Thu Jul 11 2019, 07:55 PM
@ramos https://www.theengineeringprojects.com/2017/09/l298-motor-driver-library-proteus.html
ExperimenterUK
Thu Jul 11 2019, 07:44 PM
@praveen123. Can you give a link to the project ?
Thu Jul 11 2019, 04:47 PM
ramos
buenos dias alguien podria ayudarme necesito saber como descargar la libreria del l298n para proteus
Thu Jul 11 2019, 11:11 AM
praveen123
anyone can help me
Thu Jul 11 2019, 11:11 AM
praveen123
i need source code for 8051 -smart trolley rfid
Thu Jul 11 2019, 11:10 AM
praveen123
hii
ExperimenterUK
Thu Jun 27 2019, 09:14 PM
Hi.. good to see you again
۞ TPS ۞
Thu Jun 27 2019, 07:31 AM
Hello
AdiGhazi
Tue Jun 18 2019, 11:21 AM
Hlo Dear , I've to program AT89C51AC3 RT-LUM using flip but I'm getting time out error for RS232. Will you please suggest me which programmer will be supportable to program this Chip.
Sun Jun 16 2019, 07:48 PM
hanoch Taub
i need to interface sim800 to 8051, the problem is that on the module sim800 there are 9 pins connector and I don't know how to connect him to 8051, which pins to tx and rx on 8051 module sim there is

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Comments

zxcvbnm1234
Sat Jul 13 2019, 07:09 AM
surajghayal
Wed Jul 10 2019, 01:17 PM
figureyang
Fri Jul 05 2019, 04:25 AM
mousompal
Sat Jun 29 2019, 05:02 PM
AdiGhazi
Tue Jun 18 2019, 11:15 AM
Easwaran22
Thu Jun 13 2019, 10:16 AM
JenniferJJ
Thu Jun 13 2019, 05:12 AM
seyoonnet
Tue Jun 04 2019, 12:37 PM

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figureyang Avatar
Posted By figureyang
Fri Jul 05 2019, 04:37 AM
here is the source code prepared for you download ...
figureyang Avatar
Posted By figureyang
Fri Jul 05 2019, 04:30 AM
Cheap_Flash_FS(Normal Version)--Embedded FAT16/32 ...
wimac Avatar
Posted By wimac
Sat Jun 22 2019, 01:26 PM
I’ve use the AT89C51ED2 which has a similar progra...
ExperimenterUK Avatar
Posted By ExperimenterUK
Thu Jun 20 2019, 10:08 PM
baud rate is 9600 at stop bits of 2. AdiGhaziThe u...
AdiGhazi Avatar
Posted By AdiGhazi
Thu Jun 20 2019, 05:24 AM
Dear,I'm using RS232 serial port cable to use flip...
ExperimenterUK Avatar
Posted By ExperimenterUK
Tue Jun 18 2019, 10:19 PM
Okay.. I have never programmed the AT89C51AC3 or ...
AdiGhazi Avatar
Posted By AdiGhazi
Tue Jun 18 2019, 11:20 AM
Hlo Dear ,I've to program AT89C51AC3 RT-LUM using ...
ExperimenterUK Avatar
Posted By ExperimenterUK
Thu May 30 2019, 08:32 PM
It occurs to me that although the P89LPC921 and P8...
ExperimenterUK Avatar
Posted By ExperimenterUK
Wed May 29 2019, 09:05 PM
I would suggest a fresh approach.The Keil compile...
ronotsig Avatar
Posted By ronotsig
Wed May 29 2019, 03:13 PM
Since the code works for the P89LPC925, it is appa...