User st2000

10 votes

Is it safe to measure AAA battery current with a multimeter directly?

answered Sep 18, 2016 at 15:31

7 votes

Why are DIY PCB components placed at right angles?

answered Sep 4, 2016 at 21:58

7 votes

Connecting DIODE in relay circuit

answered Jul 25, 2017 at 13:29

7 votes

Purpose of perfboards with pads all connected

answered May 6, 2016 at 1:46

7 votes

Circuit board without EDA

answered Jul 1, 2016 at 14:35

7 votes

Accepted

Why is an HDMI signal causing interference with Over-The-Air digital television?

answered Jul 7, 2016 at 3:44

6 votes

SPI_Clock problem

answered Mar 23, 2017 at 14:29

6 votes

Accepted

Does it ever make sense to build a shift register with DRAM cells?

answered Nov 2 at 15:01

5 votes

How can I wire a motor to operate in forward and reverse using a DPDT switch?

answered May 17, 2023 at 18:03

5 votes

Accepted

LED current driver

answered Jul 27, 2017 at 12:29

5 votes

Accepted

Decoupling power supplies, how much should one worry about high frequency noise?

answered Aug 18, 2016 at 17:09

4 votes

What is this type of AC power connector called?

answered Oct 2, 2016 at 23:27

4 votes

How do I come up with a list of requirements for a microcontroller for my project? How can I then find microcontrollers that fit?

answered Oct 21, 2016 at 12:51

4 votes

SN74LS74AN trouble

answered Oct 25, 2016 at 3:50

4 votes

Lithium Battery Protection Circuit - Why are there two MOSFETs in series, reversed?

answered Dec 28, 2016 at 15:32

4 votes

Accepted

How to solder wires to this speaker?

answered May 20, 2017 at 13:52

4 votes

How correct is my understanding of basic electricity?

answered Dec 29, 2016 at 4:54

4 votes

How can we be sure that computers will never accidentally switch a 0 by a 1?

answered Apr 27, 2016 at 0:39

4 votes

Accepted

SPI: How does communication work with a device that has multiplexed SDO and SDI signals?

answered Apr 30, 2016 at 2:04

3 votes

Thermistor Calibration

answered Apr 10, 2016 at 23:17

3 votes

Hamming code parity bits calculation

answered Feb 11, 2017 at 15:45

3 votes

Accepted

What is this white circle on this circuit?

answered Jul 10, 2017 at 12:52

3 votes

Accepted

Mouse Wheel Rotary Encoder ... encoding wrong

answered Jul 18, 2017 at 3:34

3 votes

Seemingly excess trace length reason

answered Dec 28, 2016 at 15:56

3 votes

Arduino UNO sensor works fine when connected to laptop but gives problem when connected to external power supply

answered Dec 4, 2016 at 16:25

3 votes

Accepted

What is reducing the NOISE when probes are connected to a circuit?

answered Oct 7, 2016 at 12:22

3 votes

Displaying ASCII codes to an 7x5 LED Matrix

answered Aug 26, 2016 at 1:37

3 votes

Noise problem with Arduino + relay + motor unit

answered Jun 28, 2019 at 2:43

3 votes

How far can 3.3V UART go at 38400 baud?

answered Aug 11, 2019 at 14:43

3 votes

How do I convert battery wattage from mAh to Wh?

answered Oct 21, 2017 at 22:00

Stack Exchange Network

194 Answers

Is it safe to measure AAA battery current with a multimeter directly?

Why are DIY PCB components placed at right angles?

Connecting DIODE in relay circuit

Purpose of perfboards with pads all connected

Circuit board without EDA

Why is an HDMI signal causing interference with Over-The-Air digital television?

SPI_Clock problem

Does it ever make sense to build a shift register with DRAM cells?

How can I wire a motor to operate in forward and reverse using a DPDT switch?

LED current driver

Decoupling power supplies, how much should one worry about high frequency noise?

What is this type of AC power connector called?

How do I come up with a list of requirements for a microcontroller for my project? How can I then find microcontrollers that fit?

SN74LS74AN trouble

Lithium Battery Protection Circuit - Why are there two MOSFETs in series, reversed?

How to solder wires to this speaker?

How correct is my understanding of basic electricity?

How can we be sure that computers will never accidentally switch a 0 by a 1?

SPI: How does communication work with a device that has multiplexed SDO and SDI signals?

Thermistor Calibration

Hamming code parity bits calculation

What is this white circle on this circuit?

Mouse Wheel Rotary Encoder ... encoding wrong

Seemingly excess trace length reason

Arduino UNO sensor works fine when connected to laptop but gives problem when connected to external power supply

What is reducing the NOISE when probes are connected to a circuit?

Displaying ASCII codes to an 7x5 LED Matrix

Noise problem with Arduino + relay + motor unit

How far can 3.3V UART go at 38400 baud?

How do I convert battery wattage from mAh to Wh?