User Zhro

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?

asked Nov 12, 2018 at 7:31

34 votes

1 answer

2k views

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

mechanical-assembly

asked Oct 15, 2020 at 3:29

23 votes

7 answers

5k views

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

tv crt

asked Feb 7, 2021 at 15:05

10 votes

1 answer

8k views

What breadboard simulation software is this?

simulation layout breadboard software

asked Oct 15, 2018 at 13:41

6 votes

2 answers

1k views

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

pcb circuit-design identification wire

asked Sep 15, 2018 at 7:49

6 votes

3 answers

1k views

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

pcb soldering pcb-assembly

asked Aug 29, 2018 at 12:36

5 votes

2 answers

225 views

What is the name of this part?

identification surface-mount

asked Sep 15, 2018 at 7:32

4 votes

1 answer

177 views

Why do these two resistor networks measure differently?

resistors simulation packages

asked Oct 16, 2018 at 0:39

3 votes

2 answers

1k views

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

pins prototyping protoboard spacing

asked Oct 13, 2018 at 15:55

2 votes

1 answer

207 views

How to identify of this connector used by TinyCircuits batteries?

connector identification

asked Oct 11, 2018 at 23:34

2 votes

1 answer

16k views

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

batteries ac-dc ups

asked Oct 18, 2020 at 6:14

2 votes

3 answers

9k views

Is there a wrong way to wire a potentiometer?

schematics simulation potentiometer

asked Nov 4, 2018 at 23:21

2 votes

2 answers

315 views

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

sensor pwm light light-sensor backlight

asked Mar 18, 2019 at 17:37

2 votes

2 answers

261 views

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

capacitor short-circuit repair short

asked Sep 20, 2021 at 19:57

2 votes

2 answers

248 views

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

circuit-analysis capacitor capacitance electrolytic-capacitor

asked Sep 20, 2021 at 20:10

1 vote

0 answers

40 views

Are eDP driver boards compatible between resolutions?

display lvds

asked Nov 15, 2020 at 20:04

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]

dc adapter ac-dc

asked Mar 16, 2019 at 13:42

1 vote

3 answers

246 views

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

power resistors watts

asked Oct 26, 2020 at 18:00

1 vote

2 answers

2k views

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

pcb soldering flux corrosion

asked Feb 11, 2020 at 11:18

1 vote

4 answers

341 views

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

voltage microphone

asked Jul 27, 2020 at 5:51

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?

audio ground ground-plane

asked Jul 28, 2020 at 12:11

1 vote

2 answers

2k views

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

connector wire crimp

asked Oct 12, 2018 at 14:09

1 vote

1 answer

184 views

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

computers button

asked Sep 28, 2018 at 17:48

1 vote

0 answers

430 views

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

identification ldr photoresistor

asked Oct 31, 2018 at 6:57

1 vote

2 answers

153 views

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

resistors simulation multimeter passive-networks

asked Oct 15, 2018 at 23:08

0 votes

1 answer

107 views

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

resistors resistance

asked Oct 15, 2018 at 13:12

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]

power-supply load ac-dc test-equipment

asked Oct 1, 2018 at 13:29

0 votes

3 answers

1k views

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

speakers

asked Oct 8, 2018 at 0:17

0 votes

0 answers

319 views

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

pcb soldering pcb-assembly

asked Aug 29, 2018 at 19:20

0 votes

2 answers

98 views

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

power-supply

asked Sep 23, 2020 at 13:14

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44 Questions

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

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

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

What breadboard simulation software is this?

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

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

What is the name of this part?

Why do these two resistor networks measure differently?

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

How to identify of this connector used by TinyCircuits batteries?

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

Is there a wrong way to wire a potentiometer?

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

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

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

Are eDP driver boards compatible between resolutions?

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

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

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

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

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

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

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

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

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

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

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

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

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

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