• Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.


Not open for further replies.


New Member
Hi sir,
I m currently working on a project named "GSM E-LOCK".
I mean interfacing the GSM module to the electronic lock using PIC16F877 for security purpose.So end user will be provided with sms sevices which is abt the door accessin.pls help me out how this will work.And let me know what all initial steps i need to carry on.


Well-Known Member
Most Helpful Member
Easy way:
Have a list of valid phone numbers and "lock" and "unlock" commands or use a PIN. Make Reset physical. PIN requires a way to change it.

Complicatons add logging.
Temporary one use codes or codes that are valid at certain times.
Do a search on "building access control"
Not open for further replies.

Latest threads

EE World Online Articles