User Duncan C - Arduino Stack Exchange

23 votes

How do I extract code from an arduino?

answered Sep 18, 2019 at 15:37

11 votes

Accepted

Serial.println(): Where is the text printed?

answered Sep 6, 2014 at 17:52

8 votes

Unstable reading from pushbutton on digital pin

answered Jul 24, 2014 at 13:12

7 votes

Visual clock with millisecond display refresh rate

answered Aug 15, 2014 at 14:34

7 votes

Power supply voltage confusion

answered Sep 16, 2014 at 3:46

7 votes

Accepted

How do you combine 2 different sketches together

answered Apr 14, 2019 at 14:51

7 votes

Variable declared inside void setup() is forgotten in void loop()

answered May 12, 2019 at 19:31

7 votes

Accepted

Implement two processes at the same time

answered Jun 20, 2020 at 16:10

6 votes

Memory usage: #define vs. static const for uint8_t

answered Feb 25, 2019 at 16:45

6 votes

7 segment 4 digit not showing numbers 2,3 and 0

answered Jan 2, 2021 at 14:33

5 votes

AnalogRead value constant for a varying voltage (for LED brightness variation)

answered Feb 5, 2019 at 15:57

5 votes

How is stack memory used for fuctions and local variables?

answered Jul 4, 2014 at 18:52

5 votes

Accepted

How to use this 3-pin slide-switch?

answered May 15, 2020 at 17:58

5 votes

Accepted

How to wire a three-pin on-off-on switch for reading input?

answered Sep 18, 2020 at 19:21

5 votes

Accepted

Output voltage range between 0-5v

answered Sep 22, 2020 at 0:03

4 votes

Maximum Current?

answered Jul 23, 2014 at 1:29

4 votes

little pump isn't working

answered Aug 7, 2014 at 18:42

4 votes

Accepted

I2C seems to stop working when I attach an AF motor shield

answered Aug 17, 2014 at 2:31

4 votes

May arduino hang when current is changing over time?

answered Aug 29, 2014 at 0:37

4 votes

Accepted

Arduino hangs after 3-4 minutes on battery power, but not on USB

answered Nov 18, 2014 at 0:28

4 votes

Accepted

Higher precision logarithms

answered Mar 10, 2019 at 0:29

4 votes

Variable declaration inside main loop

answered Jun 30, 2019 at 10:35

3 votes

Controlling multiple 12v solenoids with 5v relay modules (Arduino Reset Issue)

answered May 22, 2019 at 23:52

3 votes

PWM Control, How to stop LED from Flickering?

answered Apr 15, 2019 at 23:14

3 votes

What do the numbers behind lcd (0x27) mean?

answered Mar 8, 2019 at 12:58

3 votes

How can I run two loops simultaneously on an Arduino Uno?

answered Sep 28, 2014 at 23:42

3 votes

perform an action maximum x times per hour

answered Aug 22, 2014 at 22:51

3 votes

Accepted

Using Arduino to control a 12v car light system?

answered Sep 13, 2014 at 18:55

3 votes

Why does my dc motor immediately spin when connected to a 9v battery?

answered Aug 15, 2014 at 13:56

3 votes

Arduino Pro Mini (5V) Raw Pin and VCC Pin

answered Aug 8, 2014 at 3:41

Stack Exchange Network

330 Answers

How do I extract code from an arduino?

Serial.println(): Where is the text printed?

Unstable reading from pushbutton on digital pin

Visual clock with millisecond display refresh rate

Power supply voltage confusion

How do you combine 2 different sketches together

Variable declared inside void setup() is forgotten in void loop()

Implement two processes at the same time

Memory usage: #define vs. static const for uint8_t

7 segment 4 digit not showing numbers 2,3 and 0

AnalogRead value constant for a varying voltage (for LED brightness variation)

How is stack memory used for fuctions and local variables?

How to use this 3-pin slide-switch?

How to wire a three-pin on-off-on switch for reading input?

Output voltage range between 0-5v

Maximum Current?

little pump isn't working

I2C seems to stop working when I attach an AF motor shield

May arduino hang when current is changing over time?

Arduino hangs after 3-4 minutes on battery power, but not on USB

Higher precision logarithms

Variable declaration inside main loop

Controlling multiple 12v solenoids with 5v relay modules (Arduino Reset Issue)

PWM Control, How to stop LED from Flickering?

What do the numbers behind lcd (0x27) mean?

How can I run two loops simultaneously on an Arduino Uno?

perform an action maximum x times per hour

Using Arduino to control a 12v car light system?

Why does my dc motor immediately spin when connected to a 9v battery?

Arduino Pro Mini (5V) Raw Pin and VCC Pin