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st2000's user avatar
st2000's user avatar
st2000
  • Member for 8 years, 3 months
  • Last seen more than a week ago
10 votes

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

7 votes

Why are DIY PCB components placed at right angles?

7 votes

Connecting DIODE in relay circuit

7 votes

Purpose of perfboards with pads all connected

7 votes

Circuit board without EDA

7 votes
Accepted

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

6 votes

SPI_Clock problem

5 votes
Accepted

LED current driver

5 votes
Accepted

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

5 votes

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

4 votes

What is this type of AC power connector called?

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?

4 votes

SN74LS74AN trouble

4 votes

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

4 votes
Accepted

How to solder wires to this speaker?

4 votes

How correct is my understanding of basic electricity?

4 votes

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

4 votes
Accepted

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

3 votes

Thermistor Calibration

3 votes

Hamming code parity bits calculation

3 votes
Accepted

What is this white circle on this circuit?

3 votes
Accepted

Mouse Wheel Rotary Encoder ... encoding wrong

3 votes

Seemingly excess trace length reason

3 votes

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

3 votes
Accepted

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

3 votes

Displaying ASCII codes to an 7x5 LED Matrix

3 votes

Noise problem with Arduino + relay + motor unit

3 votes

How far can 3.3V UART go at 38400 baud?

3 votes

How do I convert battery wattage from mAh to Wh?

3 votes

Why are diodes being used with these (apparently) AC relays?

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