User tlfong01

25 votes

Accepted

How to properly use a relay module with JD-VCC from Arduino/Raspberry?

answered Jul 3, 2020 at 6:30

0 votes

Determine how to drive and read an unknown three wire pressure sensor

answered Feb 9, 2022 at 3:36

1 vote

How to drive this solenoid + littleBits?

answered Dec 25, 2021 at 7:50

0 votes

TDA7575B-based audio amplifier design

answered Dec 14, 2021 at 8:21

0 votes

Clarification on relay withstand voltage

answered Oct 20, 2021 at 8:24

3 votes

Accepted

Brushless DC motor with built in controller

answered Oct 13, 2021 at 11:17

1 vote

To reconfigure a pin, is there a difference in MicroPython between `machine.Pin.init` and just running the constructor again?

answered Oct 12, 2021 at 2:23

1 vote

Need circuit modification for using a PC814 opto coupler to invert relay operation

answered Sep 7, 2021 at 6:32

-1 votes

Smart BMS UART problems

answered Aug 25, 2021 at 8:08

-1 votes

Sensing voltage drop across the load in the H bridge

answered Aug 22, 2021 at 8:45

0 votes

What is the purpose of the three part circuit?

answered May 26, 2021 at 13:48

2 votes

Accepted

ADS1115 measuring body resistance has a noisy output, how to fix it?

answered Jun 7, 2021 at 1:21

1 vote

I'm having trouble trying to design a Class D Amplifier. Does anyone have any tips on where I can start?

answered May 27, 2021 at 5:01

1 vote

Do ADS12XX circuit need an amplifier?

answered May 24, 2021 at 3:16

0 votes

Underwater train project's battery powered DC/BLDC/Stepping motor gear/non gear requirements and water proof sealing problem

answered May 24, 2021 at 1:54

2 votes

Difference between h-bridge, dual half bridge and quad half bridge

answered May 23, 2021 at 14:02

24 votes

Why does it take time for electronic scale to measure?

answered May 20, 2021 at 11:20

3 votes

Accepted

Motor Driver keeps dying/frying driving a worm gear motor

answered May 12, 2021 at 7:59

0 votes

How DMX512 protocol da daisychain?

answered May 12, 2021 at 1:49

-1 votes

Is it valid to connect a 5V 74LS241 output to a 3.3V Raspberry Pi input?

answered May 11, 2021 at 7:03

-3 votes

LED lighting for use in miniature tanks

answered May 2, 2021 at 3:06

-1 votes

555 Timer duty cycle changing formula

answered May 2, 2021 at 14:06

-1 votes

Is this IC damaged or fake?

answered May 2, 2021 at 7:52

2 votes

Activate 12 V Relay with a 5 V GPIO

answered May 1, 2021 at 14:12

-2 votes

What kind of sensor can sense Infrared radiation from any direction?

answered May 1, 2021 at 9:22

0 votes

Powering a NEMA 17 motor: wattage vs voltage

answered May 1, 2021 at 4:56

13 votes

Help with homemade electromagnet

answered Apr 30, 2021 at 6:58

10 votes

What is back EMF?

answered Apr 27, 2021 at 8:28

-1 votes

Identify LED driver IC / manufacturer logo

answered Apr 26, 2021 at 4:19

-2 votes

Driving step motors using microstep drivers with teensy 4

answered Apr 23, 2021 at 6:52

Stack Exchange Network

105 Answers

How to properly use a relay module with JD-VCC from Arduino/Raspberry?

Determine how to drive and read an unknown three wire pressure sensor

How to drive this solenoid + littleBits?

TDA7575B-based audio amplifier design

Clarification on relay withstand voltage

Brushless DC motor with built in controller

To reconfigure a pin, is there a difference in MicroPython between `machine.Pin.init` and just running the constructor again?

Need circuit modification for using a PC814 opto coupler to invert relay operation

Smart BMS UART problems

Sensing voltage drop across the load in the H bridge

What is the purpose of the three part circuit?

ADS1115 measuring body resistance has a noisy output, how to fix it?

I'm having trouble trying to design a Class D Amplifier. Does anyone have any tips on where I can start?

Do ADS12XX circuit need an amplifier?

Underwater train project's battery powered DC/BLDC/Stepping motor gear/non gear requirements and water proof sealing problem

Difference between h-bridge, dual half bridge and quad half bridge

Why does it take time for electronic scale to measure?

Motor Driver keeps dying/frying driving a worm gear motor

How DMX512 protocol da daisychain?

Is it valid to connect a 5V 74LS241 output to a 3.3V Raspberry Pi input?

LED lighting for use in miniature tanks

555 Timer duty cycle changing formula

Is this IC damaged or fake?

Activate 12 V Relay with a 5 V GPIO

What kind of sensor can sense Infrared radiation from any direction?

Powering a NEMA 17 motor: wattage vs voltage

Help with homemade electromagnet

What is back EMF?

Identify LED driver IC / manufacturer logo

Driving step motors using microstep drivers with teensy 4