Re: Adjustable/Resetable Digital Alarm Clock using 8051(89s52/89c52) in 7 segment dis

Status
Not open for further replies.
Re: Adjustable/Resetable Digital Alarm Clock using 8051(89s52/89c52) in 7 segment dis

hi,

hope you know 8051 is working in +5v.

if you have 5V power supply u can give directly.
In case you have 12V power supply use 7805 votage converter ic.
The input of 7805 is 12V and output is 5V.
 

Re: Adjustable/Resetable Digital Alarm Clock using 8051(89s52/89c52) in 7 segment dis

why is my project isn't working properly? When i turn it on, it doesn't show 12.00 am but it wil appear random number and change everytime. It doesn't work like a clock.
 

Re: Adjustable/Resetable Digital Alarm Clock using 8051(89s52/89c52) in 7 segment dis

Can you explain the project about the connections. Are you using 7-seg driver or directly connected to the 8051 port pins.
If you are using directly then take care of the delays & continuously ON the 7-seg LED. Explain more about the program & the connections.
 

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…