I'm building a circut. I haven't really designed as much circuts as I have assembled, but now I'm starting to design my own. I'm essentially wanting to make an LED blink. The catch? I'm wanting it to blink repeatedly. This is not the final circut yet, but it's a proof of concept.
I've connected a switch to a 9V battery. Next to that is a 100uF capacitor, connected to what is now a single LED. When given power and switched on, the LED will blink once and then go out. If you repeatedly switch it on and then off, it will blink repeatedly.
How do you make the LED continue this pattern repeatedly, with just one flip of the switch until you flip the switch off, or until it runs out of power? I also tried 2 AAA batteries, instead of a nine volt, but that wasn't enough power to operate.
If I have to, I can add more 9V or something, but I can't have the LED on when the switch is not flipped to on. Prefferebly, I'd also not like to waste power, so the switch is important.
I've tried a transister in several configurations and it doesn't seem to work. It's back to blocking the current at the point of the transistor when I do this. Is the transistor bad like I found the other capacitor is?