Electrical Engineering
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floppydisk
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21 Answers

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10 votes

What is an inline power switch controlled by GPIO called

9 votes
Accepted

Using capacitor bank in parallel with lead acid battery

8 votes
Accepted

Why do USB connectors have 2 square holes?

6 votes
Accepted

Can two devices be in series on an AC line?

4 votes

Is there any way to stop the output of a 555 timer using a switch?

4 votes
Accepted

I'd like to request a review/bashing of this circuit for a high precision soil moisture sensing and analysis device. Where did I go wrong?

2 votes

Maximum number of slaves for a single SPI line

2 votes
Accepted

Does AC wire ampere rating depend on end DC load current pull?

2 votes
Accepted

FT232 UART connected with a light sensor BH1750

2 votes
Accepted

Wiring a dual coloured LED by two different sources

2 votes

Serial reading returns undefined characters

1 vote

Convert Arduino Code to STM32 cubeide,

1 vote

How can I connect multiple potentiometers (~20) to my Arduino without having to have 20 analogue pins?

1 vote

How can I connect multiple potentiometers (~20) to my Arduino without having to have 20 analogue pins?

1 vote

What is the utility of inductors in circuits?

1 vote

ESP32 Dev Board SPI connection

1 vote

PNP transistor high-side load switching

1 vote
Accepted

ESP32 and Linux module integration

1 vote

Voltage divison across capacitor when one cell connection is removed

0 votes

DS3231 RTC interfacing with Raspberry Pi 3B

0 votes

Raspberry Pi Controlling Servo and timer

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