how to save passward in 80c51 for door relay

Status
Not open for further replies.
K

kashif_ramzan

Newbie level 6
Joined
Aug 22, 2008
Messages
13
Helped
0
Reputation
0
Reaction score
0
Trophy points
1,281
Activity points
1,374
how to save passward in 80c51 for door relay plz.. help me
and show lcd 4*20 by using 4
4*3key pad
 

how to save passward in 80c51 for door relay plz.. help me
Click to expand...

A small external EEProm (eg. with I2C bus) will be the best alternative ..
Once the code is stored there it will be safe even if the power is interrupted ..

IanP
 

Status
Not open for further replies.

Similar threads

Menu
Log in
Register
Cookies are required to use this site. You must accept them to continue using the site. Learn more…