Tagged Questions

0
votes
1answer
74 views

why and how do I use a capacitor in a switch circuit？

I have seen many designs of switch circuit: I know that a capacitor will help anti-shake but I realy do not know how i can anti-shake. Does it work like a decoupling capacitor or a low-pass RC ...
3
votes
1answer
238 views

Is it possible to use just a capacitor to debounce a button?

I have been wondering: why cannot you just hook up a capacitor to a button to debounce it? I have been figuring out how to reduce the work my microprocessor has to do, but I have very limited space on ...
0
votes
2answers
102 views

Can I use a silicon controlled rectifier to discharge a capacitor?

Can I use a silicon controlled rectifier to discharge a capacitor? If yes, can you provide a diagram of how this would work in, say, a coil gun?
4
votes
1answer
181 views

how to design a switch which works when an input of 0.10 is applied

i have an alarm clock , it's output voltage to the alarm buzzer is around 0.15 volt , i need to attach an electrical appliance to make it operate on scheduled time , for that i had used this circuit ...
8
votes
5answers
2k views

How to have arduino only turn on when enough power has been collected?

There was recently an article in the Christian Science Monitor about the launch of a cracker-size satellite. The article says that the satellite has, "power storage in capacitors, and switching ...
2
votes
2answers
445 views

Accelerometer switch to trigger LED fade

I'm planning out a very simple circuit using an LED, capacitor, switch and a battery. The Idea is that the LED is off until something "bumps into" the circuit. At this point it should light up and ...