M mdj21 New Member Oct 28, 2005 #1 Hello, i want to power a 24V, .4A alarm bell from a 12V DC car batery. does anybody know where i can find a circuit i can build to do this? thanks and have a great day. Mike.
Hello, i want to power a 24V, .4A alarm bell from a 12V DC car batery. does anybody know where i can find a circuit i can build to do this? thanks and have a great day. Mike.
A adamthole New Member Oct 28, 2005 #2 I think Sparf Fun has a tutorial where they did something real similar to that: **broken link removed**
I think Sparf Fun has a tutorial where they did something real similar to that: **broken link removed**
M mdj21 New Member Oct 28, 2005 #3 thanks, that circuit is the right idea. not quite the right voltages though. i will see if i can adapt it to my application, but if anybody else has seen a circuit similar to this, please let me know. thanks again. Mike.
thanks, that circuit is the right idea. not quite the right voltages though. i will see if i can adapt it to my application, but if anybody else has seen a circuit similar to this, please let me know. thanks again. Mike.