User JRobert

51 votes

Is using malloc() and free() a really bad idea on Arduino?

answered Mar 11, 2014 at 16:36

47 votes

How to trigger an alarm when toilet paper is low?

answered Mar 2, 2014 at 21:11

33 votes

Arduino USB Power vs External Power Supply

answered Mar 17, 2014 at 18:09

24 votes

Why am I receiving random input values in my Arduino?

answered Mar 4, 2021 at 22:19

18 votes

Accepted

Clear existing array when getting new serial command

answered Jul 4, 2014 at 18:59

17 votes

C++ vs. The Arduino Language?

answered Mar 19, 2014 at 17:09

13 votes

How to change baudrate of ESP8266 (12e) permanently?

answered May 13, 2016 at 20:11

12 votes

Accepted

ArduinoUNO/MEGA, Is there a way to exceed 256 in analogWrite

answered Nov 21, 2016 at 13:06

10 votes

Accepted

How do I run a loop for a specific amount of time?

answered Mar 25, 2016 at 17:38

10 votes

Serial data plotting programs

answered Apr 18, 2014 at 21:15

10 votes

Accepted

Programming Chinese Arduinos

answered Mar 24, 2017 at 19:21

9 votes

Accepted

Is volatile needed when variable is accessed from > 1 ISRs, but not shared outside ISRs?

answered Jun 2, 2014 at 12:14

9 votes

How can I get the source files for Arduino libraries?

answered Mar 21, 2014 at 18:53

8 votes

Unable to terminate "void loop"

answered Sep 6, 2014 at 0:00

8 votes

Accepted

LED not blinking when using a transistor

answered Jun 9, 2019 at 1:27

7 votes

Accepted

How to sense snow and ice?

answered Oct 12, 2014 at 18:15

7 votes

Accepted

Are function pointer assignments atomic in Arduino?

answered Jun 2, 2014 at 16:34

7 votes

Replacing several pinMode() and digitalWrite() pins with an array

answered Oct 19, 2016 at 19:26

7 votes

Accepted

WiFiEsp not working on Software Serial, working fine on Hardware Serial

answered Mar 29, 2017 at 16:35

7 votes

Accepted

Why is 'n' parameter of snprintf ignored?

answered Oct 20, 2018 at 20:15

7 votes

Accepted

button connection without connection to 5V pin

answered Dec 31, 2020 at 22:12

6 votes

Accepted

Why does an `.ino` file have to be in a folder of the same name?

answered Dec 24, 2016 at 16:30

6 votes

Local char* - keeps its value

answered Aug 18, 2018 at 21:15

6 votes

How to use printf with Arduino's serial ports without an intermediary buffer?

answered May 2, 2016 at 21:55

6 votes

Accepted

What's the difference between setting a variable outside a function and setting a variable inside a function?

answered Jan 28, 2016 at 18:25

6 votes

Accepted

Concatenation of non constant character array with a string

answered Jun 21, 2014 at 19:52

6 votes

Detect and stream if a chair is occupied

answered Apr 25, 2014 at 13:50

6 votes

Should I use an Arduino or not?

answered Feb 13, 2015 at 19:13

6 votes

Accepted

Arduino turns LEDs off when set 'high', opposite direction as coded

answered Apr 7, 2015 at 20:08

6 votes

Accepted

Serial.println() cuts off characters

answered Jul 13, 2019 at 21:07

Stack Exchange Network

782 Answers

Is using malloc() and free() a really bad idea on Arduino?

How to trigger an alarm when toilet paper is low?

Arduino USB Power vs External Power Supply

Why am I receiving random input values in my Arduino?

Clear existing array when getting new serial command

C++ vs. The Arduino Language?

How to change baudrate of ESP8266 (12e) permanently?

ArduinoUNO/MEGA, Is there a way to exceed 256 in analogWrite

How do I run a loop for a specific amount of time?

Serial data plotting programs

Programming Chinese Arduinos

Is volatile needed when variable is accessed from > 1 ISRs, but not shared outside ISRs?

How can I get the source files for Arduino libraries?

Unable to terminate "void loop"

LED not blinking when using a transistor

How to sense snow and ice?

Are function pointer assignments atomic in Arduino?

Replacing several pinMode() and digitalWrite() pins with an array

WiFiEsp not working on Software Serial, working fine on Hardware Serial

Why is 'n' parameter of snprintf ignored?

button connection without connection to 5V pin

Why does an `.ino` file have to be in a folder of the same name?

Local char* - keeps its value

How to use printf with Arduino's serial ports without an intermediary buffer?

What's the difference between setting a variable outside a function and setting a variable inside a function?

Concatenation of non constant character array with a string

Detect and stream if a chair is occupied

Should I use an Arduino or not?

Arduino turns LEDs off when set 'high', opposite direction as coded

Serial.println() cuts off characters