User jms

52 votes

Relays vs. thyristors: What is best for swiching 230 V lights on and off rapidly (~ 5 Hz)?

answered Oct 14, 2018 at 16:12

29 votes

Why do brushless motors have a kv rating?

answered Oct 7, 2016 at 3:03

20 votes

Accepted

Is draining a Li-Ion to 2.5 V harmful to a Li-ion cell?

answered Feb 25, 2016 at 2:51

16 votes

Review request: DIY DC to 50MHz differential oscilloscope probe

answered Feb 4, 2018 at 10:00

13 votes

Accepted

Should I use MBED of ARM or native platform of microcontroller suppliers?

answered Jan 31, 2018 at 7:57

13 votes

Accepted

Is a single wrist strap enough against ESD?

answered Feb 22, 2018 at 19:41

13 votes

Accepted

Why does this circuit speedup the switching time and reduce losses?

answered Mar 15, 2016 at 4:28

12 votes

Detect Sound From Google Chromecast Audio

answered Apr 17, 2017 at 14:34

11 votes

Spikes induced on PCB. EMC problem?

answered Feb 18, 2016 at 0:15

8 votes

Understanding memory requirements for an image file

answered Jun 2, 2018 at 20:24

7 votes

H-Bridge design understanding

answered Feb 14, 2018 at 11:04

7 votes

Higher KV means lower torque for DC motors?

answered Oct 31, 2017 at 11:07

7 votes

What advantages do CRTs still have over more modern display technologies?

answered Apr 30, 2017 at 2:36

7 votes

Accepted

Is a varistor basically two diodes in series, with opposite polarities?

answered Dec 14, 2017 at 23:46

7 votes

Do microcontrollers support threading?

answered Dec 21, 2017 at 3:54

6 votes

3 Phase Voltage Inverter for BLDC motor. N mosfet getting hot. Why?

answered Mar 23, 2016 at 5:59

6 votes

P-channel MOSFET as high-side switch gets hot

answered Mar 25, 2016 at 6:21

6 votes

Accepted

What happens before main()?

answered Sep 20, 2016 at 18:36

6 votes

Accepted

Reading data from 3.5mm audio jack

answered Sep 30, 2016 at 14:00

6 votes

Accepted

How does a hair dryer change its motor speed? Diagram included

answered Mar 4, 2016 at 2:45

6 votes

Accepted

Reverse engineering a high side MOSFET driver SMD circuit board

answered Mar 11, 2016 at 7:16

6 votes

Accepted

Why is the power supply terminal is not connected to ground in this bridge rectifier?

answered Feb 2, 2016 at 15:18

6 votes

Accepted

Is a boot-loader needed to dump the flash memory to RAM? Why?

answered Feb 16, 2016 at 15:46

6 votes

Accepted

Why don't some 2S LiPo packs include a balancing connector?

answered Dec 4, 2017 at 13:01

6 votes

Transformerless supply

answered Feb 22, 2018 at 11:12

6 votes

Gosh darn PORT structs on AVR

answered Oct 27, 2019 at 23:24

5 votes

Accepted

handcrafted PCB problems

answered Jan 9, 2019 at 11:42

5 votes

how to get 4-20mA output

answered Mar 20, 2018 at 11:20

5 votes

Accepted

AC to DC rectifier (get the best efficiency)

answered Aug 19, 2021 at 9:17

5 votes

Accepted

Freewheel diode / capacitor with this board?

answered Feb 8, 2016 at 23:22

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191 Answers

Relays vs. thyristors: What is best for swiching 230 V lights on and off rapidly (~ 5 Hz)?

Why do brushless motors have a kv rating?

Is draining a Li-Ion to 2.5 V harmful to a Li-ion cell?

Review request: DIY DC to 50MHz differential oscilloscope probe

Should I use MBED of ARM or native platform of microcontroller suppliers?

Is a single wrist strap enough against ESD?

Why does this circuit speedup the switching time and reduce losses?

Detect Sound From Google Chromecast Audio

Spikes induced on PCB. EMC problem?

Understanding memory requirements for an image file

H-Bridge design understanding

Higher KV means lower torque for DC motors?

What advantages do CRTs still have over more modern display technologies?

Is a varistor basically two diodes in series, with opposite polarities?

Do microcontrollers support threading?

3 Phase Voltage Inverter for BLDC motor. N mosfet getting hot. Why?

P-channel MOSFET as high-side switch gets hot

What happens before main()?

Reading data from 3.5mm audio jack

How does a hair dryer change its motor speed? Diagram included

Reverse engineering a high side MOSFET driver SMD circuit board

Why is the power supply terminal is not connected to ground in this bridge rectifier?

Is a boot-loader needed to dump the flash memory to RAM? Why?

Why don't some 2S LiPo packs include a balancing connector?

Transformerless supply

Gosh darn PORT structs on AVR

handcrafted PCB problems

how to get 4-20mA output

AC to DC rectifier (get the best efficiency)

Freewheel diode / capacitor with this board?