Continue to Site

Welcome to EDAboard.com

Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.

Digital Security System Circuit

Status
Not open for further replies.

zawminoo

Advanced Member level 4
Full Member level 1
Joined
Dec 6, 2005
Messages
105
Helped
4
Reputation
8
Reaction score
1
Trophy points
1,298
zawminoomc.blogspot.com
Activity points
2,233
I build this circuit.
I have a problem.
When loop 2 cut, 7 segment can't show no.2. It show other.
For no.2, output of 4511 must be a=1, b=1, c=0, d=1, e=1, f=0, g=1.
But my output of 4511 is a=1, b=1, c=0, d=1, e=1, f=1, g=0.
What wrong????
Help me please!
Untitled.png
 

Status
Not open for further replies.

Part and Inventory Search

Welcome to EDABoard.com

Sponsor

Back
Top