User Finbarr

26 votes

Accepted

Help! Need advice identifying the leads on this transformer

answered Mar 15, 2017 at 17:55

19 votes

Alternatives to a classic DIP switch

answered Apr 18, 2017 at 22:19

19 votes

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Circuitry of TV splitters

answered Apr 8, 2019 at 0:00

18 votes

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Why must USB low-speed devices use a captive cable?

answered Jul 13, 2020 at 23:05

17 votes

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Why is the brightness of my red LED slowly decreasing?

answered Nov 14, 2017 at 18:02

17 votes

USB Chain Connections

answered Oct 2, 2018 at 10:12

14 votes

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What is an Elegant Breadboard

answered Jul 12, 2022 at 12:05

13 votes

How to get 20 V from a USB-C charger?

answered Mar 13, 2018 at 16:05

11 votes

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High side or low side LED driver with NPN BJT? Which is better?

answered May 3, 2017 at 13:50

10 votes

Do you need to enable all of the IC's chip select lines to select an IC?

answered Aug 7, 2017 at 10:48

9 votes

I've seen many lighting circuits protected by 100mA ELCB instead of 30mA, why is that? isn't 30mA safer?

answered Nov 8, 2017 at 10:13

6 votes

Instrumentation amplifier (weird layout)

answered Nov 2, 2017 at 10:45

6 votes

What if I use 4 pin XLR instead of the 3 pin one?

answered Sep 1, 2017 at 10:00

6 votes

Baud to bit mapping for the UART?

answered Apr 13, 2017 at 20:56

6 votes

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LCD 16x4 is shifting the columns of the third and fourth lines

answered Apr 25, 2019 at 18:04

6 votes

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Reducing noise in this audio amplifier

answered Feb 19, 2019 at 10:24

6 votes

Why is 12V the standard for LED strips?

answered Oct 12, 2019 at 9:20

5 votes

USB Splitter Circuit

answered Jun 13, 2019 at 9:33

5 votes

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Off-grid solar panel setup for estimated 15kWh daily consumption

answered Jul 4, 2021 at 10:58

5 votes

DC ring mains for lighting, revisited

answered Feb 20, 2018 at 10:57

5 votes

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MAX6966 a suitable sink driver for nixie tubes?

answered Dec 29, 2017 at 10:40

5 votes

Why don't we have an instruction called LDAX H in 8085 microprocessor?

answered Jan 15, 2018 at 15:08

5 votes

What's the standard procedure of DDR4 training?

answered Apr 25, 2017 at 19:02

5 votes

Summing up transistor gains

answered Aug 17 at 16:48

4 votes

Gate resistors on the MOSFET

answered May 10 at 16:29

4 votes

Accepted

Why does PIC MCU have (and needs) duplicate registers?

answered Feb 24, 2017 at 9:09

4 votes

What do moving rails (voltage shifting on the rails) do to an opamp?

answered Mar 7, 2017 at 7:02

4 votes

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Some GPIO Pins does not work in STM32VLDiscovery

answered May 16, 2017 at 11:20

4 votes

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Interfacing 20x4 character LCD with TI TM4C1294 generates some random characters

answered Aug 31, 2017 at 10:19

4 votes

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Wattage of DC device is not equal to AC

answered Jan 15, 2018 at 17:38

Stack Exchange Network

163 Answers

Help! Need advice identifying the leads on this transformer

Alternatives to a classic DIP switch

Circuitry of TV splitters

Why must USB low-speed devices use a captive cable?

Why is the brightness of my red LED slowly decreasing?

USB Chain Connections

What is an Elegant Breadboard

How to get 20 V from a USB-C charger?

High side or low side LED driver with NPN BJT? Which is better?

Do you need to enable all of the IC's chip select lines to select an IC?

I've seen many lighting circuits protected by 100mA ELCB instead of 30mA, why is that? isn't 30mA safer?

Instrumentation amplifier (weird layout)

What if I use 4 pin XLR instead of the 3 pin one?

Baud to bit mapping for the UART?

LCD 16x4 is shifting the columns of the third and fourth lines

Reducing noise in this audio amplifier

Why is 12V the standard for LED strips?

USB Splitter Circuit

Off-grid solar panel setup for estimated 15kWh daily consumption

DC ring mains for lighting, revisited

MAX6966 a suitable sink driver for nixie tubes?

Why don't we have an instruction called LDAX H in 8085 microprocessor?

What's the standard procedure of DDR4 training?

Summing up transistor gains

Gate resistors on the MOSFET

Why does PIC MCU have (and needs) duplicate registers?

What do moving rails (voltage shifting on the rails) do to an opamp?

Some GPIO Pins does not work in STM32VLDiscovery

Interfacing 20x4 character LCD with TI TM4C1294 generates some random characters

Wattage of DC device is not equal to AC