HandyHowie's user avatar
HandyHowie's user avatar
HandyHowie's user avatar
HandyHowie
  • Member for 8 years, 8 months
  • Last seen this week
26 votes
Accepted

What's causing my microcontroller LED program to stop working?

25 votes

Can I apply a 24v DC current to an analog voltmeter graduated between 8 and 16v for a few seconds?

20 votes
Accepted

Is this a correct way to route current away from breadboard?

16 votes

Why are two 555 timers in separate sub-circuits cross-talking? (Poltergeist in the Breadboard)

12 votes

Is it possible for a circuit to heat up enough to bridge solder?

11 votes

Why is my shift register latching in garbage data?

8 votes

I need to test multiple lights that turn on individually using a single switch. I don't understand the use of diodes in this diagram

8 votes

Measure square waves without oscilloscope?

7 votes

I want to know the name of this switch

7 votes
Accepted

potentiometer burned up on a 9v VCF circuit (audio)

6 votes
Accepted

Braking a brushed DC motor with a flyback diode

5 votes
Accepted

What value are these resistors?

5 votes

How do I clean a badly corroded, jammed rotary switch with 12 position and 4 decks?

5 votes

Why does my multimeter show a higher current with lower sensitivity when measuring AC current?

5 votes
Accepted

Having a hard time identifying some FET's in a blown amplifier

5 votes
Accepted

Switch between 3 states?

5 votes
Accepted

Amplifier Repair - How can I find a replacement transformer?

5 votes

Are there any true direct-current motors?

4 votes

H-Bridge with emitter followers

4 votes

dpdt switch to spst switch

4 votes

Why am I getting very different measurement results on a breadboard?

4 votes
Accepted

PIC16f84A Unable to delay properly

4 votes

Prevent relay from fast switching at the edge of the open voltage

4 votes

Digitally detect blinking LED

4 votes

Toggle Circuit with Pause

4 votes
Accepted

Why pull down and pull up resistors are necessary?

4 votes
Accepted

How to safely *temporarily* wire 120v?

3 votes
Accepted

Wiring to control 12V relay (SRD-12VDC-SL-C) manually

3 votes
Accepted

In search of revision to 555 Monostable circuit to create a resettable timer

3 votes

In this image where is the base of Q3 connected to?