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Zhro
  • Member for 4 years, 3 months
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73 votes
5 answers
19k views

What is the name of these little plastic things that protect wires from being cut into by the sharp edges of a drilled hole?

34 votes
1 answer
2k views

What kind of tape is used to hold together electronics during shipping?

23 votes
7 answers
5k views

How did old television screens with a light grey phosphor create the darker contrast parts of the display?

10 votes
1 answer
8k views

What breadboard simulation software is this?

6 votes
2 answers
1k views

What are these wires on single-sided PCBs? [duplicate]

6 votes
3 answers
1k views

What kind of breadboard and prototyping board do I need for this right-angle DB25 connector?

5 votes
2 answers
225 views

What is the name of this part?

4 votes
1 answer
177 views

Why do these two resistor networks measure differently?

3 votes
2 answers
1k views

Can problems arise from mixing 2.5mm pin pitch components with 2.54mm through-hole protoboards?

2 votes
1 answer
207 views

How to identify of this connector used by TinyCircuits batteries?

2 votes
1 answer
16k views

What is this high pitched sound coming from my UPS backup battery?

2 votes
3 answers
9k views

Is there a wrong way to wire a potentiometer?

2 votes
2 answers
315 views

Light sensors sensitive enough to detect for PWM from CF and LEDs?

2 votes
2 answers
261 views

Should there ever be a dead short across where a capacitor goes in a circuit?

2 votes
2 answers
248 views

What are the consequences of using a capacitor that is of higher capacitance?

1 vote
0 answers
40 views

Are eDP driver boards compatible between resolutions?

1 vote
1 answer
7k views

Is it safe to use a 19V DC adapter for a 12V input if it can provide enough watts? [duplicate]

1 vote
3 answers
246 views

Is a 2W resistor sufficient to dissipate 0.6W of power?

1 vote
2 answers
2k views

What is this white stuff on the solder of this PCB?

1 vote
4 answers
341 views

Equipment required to measure audio line-out voltage peak-to-peak?

1 vote
3 answers
192 views

Why does attaching the case to the PCB ground plane cause the audio to cut out on my cassette player?

1 vote
2 answers
2k views

Is it possible to hand crimp a 1mm pitch JST SH connector without a machine?

1 vote
1 answer
184 views

What solution would be a low power option to signal a computer with button presses?

1 vote
0 answers
430 views

How to identify different LDR photoresistors that have been mixed together?

1 vote
2 answers
153 views

Why does this resistor network simulate differently from the physical package?

0 votes
1 answer
107 views

Why does the resistance change when additional resistors are added here?

0 votes
2 answers
242 views

What should I buy to test whether my DC power supplies are able to provide their rated power? [closed]

0 votes
3 answers
1k views

Can I replace an 8 ohm, 1 W speaker with a 8 ohm, 0.5 W speaker?

0 votes
0 answers
319 views

Are there blank prototype PCBs with staggered edges for a DB25 connector?

0 votes
2 answers
98 views

Why is this GE rated for 6 V, 200 mA, and 5 W?