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.
uln2803 relay
Hi, anyone can help me how to use ULN2803 to drive Relay.
I use ULN2803A and my coil relay is 12VDC. COM on the pin no 9 should be connected to 12v or 5v? and ULN2803 doesn't have VCC pin.
Please help me if possible in a diagram.
thx
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.