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Unimportant
  • Member for 9 years, 5 months
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42 votes
Accepted

Geometric symbols alongside input filter capacitors on 1960's amplifier schematic

21 votes
Accepted

I can't figure out how to design my transistor practice circuit in way that it would work

20 votes
Accepted

What is this (broken) component in the mains side of an amplifier power supply PCB?

19 votes
Accepted

Do I misunderstand fuses?

19 votes
Accepted

What component may this be?

14 votes
Accepted

Why attach sensor output to ground?

10 votes

IC identification - Analog Devices IC with top marking “H1N #847”

9 votes

How to fix a PCB design mistake after manufacturing?

8 votes

Matching number of LEDs to power supply

8 votes
Accepted

Can't make simple oscillator based on NE555

8 votes
Accepted

How to use a variable delay in Microchip PIC microcontroller (MPLAB X), without using floating point arithmetic?

7 votes

Component identification of an IC

6 votes

Signed vs unsigned integer arithmetic operations in PIC MCU

5 votes
Accepted

Laptop battery voltage exceeds label - what is going on?

5 votes
Accepted

What is the name of this component that is responsible for powering the boot ROM?

4 votes

Can a device distinguish between USB HDD and flash drive?

4 votes
Accepted

Would using the output of a 555 timer to charge/discharge its capacitor work?

4 votes

How can I solve this simple BJT circuit?

4 votes

What does the integrator do in a Delta-Sigma converter?

4 votes

5V LDO replacement for multimeter

4 votes
Accepted

What exactly does the Z80 PIO do?

4 votes
Accepted

ACS712ELCTR-30A-T never changes output with changing load

4 votes
Accepted

While using a high-side N-channel MOSFET gate driver, should you PWM the lower or upper MOSFET gate?

4 votes

What type of npn /diode is this?

4 votes

How can I distinguish P and N channel MOSFET?

3 votes

Identify SMD component with marking "0307 AE 1930"

3 votes
Accepted

Can you help me identify this integrated circuit component marked FH4 2103?

3 votes
Accepted

Identify MOSFET and find equivalent - top marking "P40 1340" or "S36 1410"

3 votes
Accepted

How to change breadboard power supply output voltage?

3 votes

Connect LM311 pin 7 to input pin Arduino