User asim

12 votes

7 answers

8k views

Lack of Earth wire

wiring

asked Mar 28, 2020 at 20:46

2 votes

2 answers

177 views

OP177 supply voltage

operational-amplifier

asked Feb 22 at 11:01

2 votes

0 answers

137 views

Nokia display stopped working

asked Jan 17 at 23:27

1 vote

1 answer

139 views

Metal Detector Coil Design

frequency inductance coil resonance

asked Feb 1 at 17:42

1 vote

1 answer

269 views

Rc Transmitter not working

rf transmitter

asked Dec 5, 2020 at 15:17

1 vote

0 answers

265 views

Diy arc lighter

transformer inductor high-voltage high-frequency arc

asked Jan 11, 2021 at 23:53

1 vote

1 answer

187 views

Building 3s 18650 battery pack

battery-charging bms

asked Feb 22, 2021 at 21:48

1 vote

1 answer

442 views

ESP32 DAC cannot output zero volts

microcontroller dac

asked Mar 6, 2021 at 21:42

1 vote

2 answers

272 views

Peltier reverse polarity

efficiency peltier polarity

asked May 28, 2021 at 15:15

1 vote

2 answers

515 views

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

microcontroller arduino adc noise

asked Jun 6, 2021 at 14:58

1 vote

1 answer

338 views

SMPS Zener diode replacement

switch-mode-power-supply zener

asked Oct 4, 2020 at 17:23

0 votes

1 answer

159 views

Boost Converter Enhancement

boost

asked Oct 7, 2020 at 18:07

0 votes

0 answers

53 views

Puffed lipo battery

battery-charging lipo

asked Mar 29, 2020 at 12:10

0 votes

1 answer

69 views

Arduino based boost converter

voltage-regulator boost

asked Sep 22, 2020 at 12:46

0 votes

2 answers

106 views

Capacitor Replacement - Markings: 622JA - GD 1000

capacitor identification

asked Sep 23, 2019 at 16:42

0 votes

1 answer

56 views

TFT pinout tracing

arduino pinout tft

asked Mar 3, 2020 at 19:55

0 votes

0 answers

148 views

7 segment display issue

arduino 7segmentdisplay

asked Mar 7, 2020 at 20:40

0 votes

0 answers

44 views

PSU Modification

power-supply voltage-regulator

asked Mar 26, 2020 at 14:12

0 votes

4 answers

114 views

Capacitance and voltage rating

capacitor

asked Mar 28, 2020 at 8:55

0 votes

0 answers

49 views

Simple undervoltage lockout

protection undervoltage

asked Nov 19, 2021 at 10:12

0 votes

1 answer

90 views

DC offset and amplifier

operational-amplifier dc-offset

asked Feb 25 at 11:50

0 votes

1 answer

100 views

LC Driver burned Mosfet

mosfet oscillator resonant

asked Feb 28 at 23:15

0 votes

1 answer

67 views

Comparator switching randomly

frequency high-voltage comparator

asked Mar 11 at 14:26

0 votes

1 answer

44 views

LIthium 18650 discharge voltage

constant-current lithium over-discharge

asked Mar 23 at 12:30

-1 votes

1 answer

117 views

When not to use LM358 [closed]

operational-amplifier

asked Jan 31 at 11:28

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25 Questions

Lack of Earth wire

OP177 supply voltage

Nokia display stopped working

Metal Detector Coil Design

Rc Transmitter not working

Diy arc lighter

Building 3s 18650 battery pack

ESP32 DAC cannot output zero volts

Peltier reverse polarity

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

SMPS Zener diode replacement

Boost Converter Enhancement

Puffed lipo battery

Arduino based boost converter

Capacitor Replacement - Markings: 622JA - GD 1000

TFT pinout tracing

7 segment display issue

PSU Modification

Capacitance and voltage rating

Simple undervoltage lockout

DC offset and amplifier

LC Driver burned Mosfet

Comparator switching randomly

LIthium 18650 discharge voltage

When not to use LM358 [closed]