User gwideman

16 votes

Required output impedance for ADC input?

answered Apr 24, 2014 at 0:16

13 votes

Accepted

Why too many capacitors in parallel for Vdd supply net? Can't we just add all to replace with one big capacitor?

answered Apr 5, 2014 at 23:42

11 votes

Accepted

Why are typically fatal currents non-lethal when they pass through your body for a short time?

answered Mar 8, 2013 at 4:09

8 votes

Accepted

How to drive high power LED and Arduino by the same power source?

answered Mar 4, 2013 at 1:53

8 votes

Programming an ATmega328 with Arduino bootloader via a FTDI USB-serial adapter

answered Apr 17, 2014 at 9:50

5 votes

Accepted

How to decipher zener diode encoding?

answered Apr 17, 2014 at 23:43

5 votes

Accepted

LED only lighting up when my hand is hovering over it

answered Apr 26, 2014 at 21:38

4 votes

Accepted

Specific frequency signal detector

answered Aug 8, 2015 at 5:56

4 votes

Why can't mesh analysis be used for non-planar circuits?

answered Apr 18, 2014 at 0:45

4 votes

Connecting phototransistors or photodiodes in series

answered Mar 6, 2013 at 1:11

4 votes

Accepted

An opto-coupler/triac oddity -- is it a problem, and is there a solution?

answered Mar 7, 2013 at 8:36

4 votes

3.7v > 3.3v voltage stepdown with logic-driven on/off control [paused]

answered Mar 19, 2014 at 23:00

3 votes

Accepted

How do I provide a variable 4-20ma input?

answered Mar 10, 2013 at 2:53

3 votes

in saturation of BJT, the current gain is reduced

answered Mar 9, 2013 at 12:00

3 votes

Dimming power LEDs with Arduino

answered Mar 20, 2014 at 9:21

3 votes

Proper usage of a MOSFET to control USB

answered Mar 21, 2014 at 9:50

3 votes

sEMG with ADS1299 from TI

answered Mar 7, 2013 at 22:49

3 votes

Powering Arduino Nano 12volts

answered Mar 8, 2013 at 3:27

3 votes

Accepted

PFC related question regarding SQRT(6)

answered Apr 17, 2014 at 11:27

3 votes

Potentiometer Puzzle - TIG Pedal

answered Apr 6, 2014 at 2:47

3 votes

Accepted

Confused about zero component orientation

answered Jan 5, 2022 at 9:44

3 votes

Why are most RGB LED strips common anode instead of common cathode?

answered Apr 16, 2014 at 23:33

2 votes

I'm confused by the formulas for power gain decibels and voltage gain decibels

answered Apr 21, 2014 at 23:25

2 votes

Accepted

Switching a transistor with audio output

answered Jun 21, 2014 at 8:19

2 votes

Accepted

Dynamic resistance of diode

answered May 8, 2014 at 7:24

2 votes

Accepted

Accelerometer Bosch BMI055 returns 8 bit overflowed values?

answered May 8, 2014 at 8:09

2 votes

Accepted

Finding Norton's equivalent circuit

answered Apr 16, 2014 at 9:03

2 votes

How to drive an ir sensor

answered Apr 16, 2014 at 9:57

2 votes

Arduino UNO R3. IDE Error-Not in sync. TX shorted to 5v?

answered Apr 16, 2014 at 12:49

2 votes

Accepted

What is this IC marked IA89G or 1A89G?

answered Mar 7, 2013 at 8:44

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102 Answers

Required output impedance for ADC input?

Why too many capacitors in parallel for Vdd supply net? Can't we just add all to replace with one big capacitor?

Why are typically fatal currents non-lethal when they pass through your body for a short time?

How to drive high power LED and Arduino by the same power source?

Programming an ATmega328 with Arduino bootloader via a FTDI USB-serial adapter

How to decipher zener diode encoding?

LED only lighting up when my hand is hovering over it

Specific frequency signal detector

Why can't mesh analysis be used for non-planar circuits?

Connecting phototransistors or photodiodes in series

An opto-coupler/triac oddity -- is it a problem, and is there a solution?

3.7v > 3.3v voltage stepdown with logic-driven on/off control [paused]

How do I provide a variable 4-20ma input?

in saturation of BJT, the current gain is reduced

Dimming power LEDs with Arduino

Proper usage of a MOSFET to control USB

sEMG with ADS1299 from TI

Powering Arduino Nano 12volts

PFC related question regarding SQRT(6)

Potentiometer Puzzle - TIG Pedal

Confused about zero component orientation

Why are most RGB LED strips common anode instead of common cathode?

I'm confused by the formulas for power gain decibels and voltage gain decibels

Switching a transistor with audio output

Dynamic resistance of diode

Accelerometer Bosch BMI055 returns 8 bit overflowed values?

Finding Norton's equivalent circuit

How to drive an ir sensor

Arduino UNO R3. IDE Error-Not in sync. TX shorted to 5v?

What is this IC marked IA89G or 1A89G?