Hottest Questions This Month

5 votes

3 answers

1k views

Arduino to Arduino communication

computercarguy

248

modified 2 days ago

3 votes

1 answer

543 views

Arduino Nano is performing really slowly, even though the calculations are simple and there are no delays

SNBS

133

modified Sep 6 at 17:10

2 votes

3 answers

410 views

Is there a way to increase the number of output pins in Arduino Uno? [duplicate]

Peter Mortensen

425

modified Sep 13 at 8:12

2 votes

1 answer

348 views

How can I compensate for a joysticks offset value in neutral position?

Erik

239

modified Sep 7 at 7:21

2 votes

2 answers

261 views

reading device or board specific properties from the Arduino MKR WiFi 1010 device

Rohit Gupta

335

modified Sep 4 at 8:45

2 votes

1 answer

159 views

Why am I getting wrong compass heading using magnetometer readings?

Sayantan Das

123

modified Sep 13 at 3:17

0 votes

1 answer

203 views

A fatal error occurred: Could not open /dev/ttyUSB0, the port doesn't exist (UART bridge CP2102) [duplicate]

the busybee

1,713

modified Sep 20 at 5:53

0 votes

1 answer

68 views

Turn on by long press of a button?

6v6gt

985

answered Sep 17 at 11:47

0 votes

1 answer

51 views

Why is char being "extended" to an int?

Juraj♦

17.6k

modified Sep 19 at 17:52

0 votes

2 answers

83 views

Arduino Pro Micro not recognizing INPUT or INPUT_PULLUP

szilard1996

19

modified Sep 11 at 22:14

2 votes

1 answer

57 views

Read values from a txt file on an SD card

Greenonline

2,880

modified Sep 19 at 19:20

-1 votes

1 answer

79 views

convert string representing a binary number to binary

vilmarci

109

modified Sep 15 at 14:40

0 votes

0 answers

101 views

Parsing JSON data on ESP32

Rohit Gupta

335

modified Sep 4 at 8:18

2 votes

1 answer

59 views

Limit of EthernetClient connections

Juraj♦

17.6k

modified Sep 4 at 17:45

0 votes

1 answer

73 views

(Why is) getLocalTime() on ESP32 taking several seconds to complete successfully

st2000

7,130

modified Sep 24 at 19:24

2 votes

1 answer

67 views

How to refresh an iframe in a page made with Espasyncwebserver

b1n3t

276

answered Aug 31 at 17:20

-1 votes

1 answer

63 views

error: expected unqualified-id before 'if' if (send) { but all semicolons are available

Juraj♦

17.6k

modified yesterday

2 votes

2 answers

58 views

Using Internal Timer Interrupt to Read Analog Sensor

Rohit Gupta

335

modified Sep 1 at 13:08

0 votes

0 answers

68 views

PIC16F1829 I2C interface with esp32

Bottle

1

asked Sep 23 at 8:04

-3 votes

1 answer

41 views

Is the EEPROM the best alternative for store non-volatile values with Arduino?

Nick Gammon♦

37.6k

modified Sep 16 at 6:51

0 votes

1 answer

39 views

With TIMER1 in CTC mode can't get above ~200khz in arduino UNO runnning @ 16MHZ with no prescaller?

Rohit Gupta

335

modified Sep 10 at 14:22

0 votes

0 answers

61 views

The text on the display is moving, although it shouldn't. OLED 0.96 [closed]

Pain

33

asked Sep 20 at 13:05

1 vote

1 answer

47 views

how to make this code work with spiffs?

M A K

85

modified Sep 3 at 14:11

-2 votes

0 answers

59 views

Arduino resets when 10k pot is set to max value [closed]

user1584421

1,371

modified Sep 17 at 14:17

-1 votes

1 answer

57 views

Read byte and time into EEPROM, then display with a comma between the time and the value?

adamaero

198

answered Sep 11 at 0:41

-1 votes

2 answers

56 views

How to create minimal web server example with a dropdown menu?

adamaero

198

modified Sep 11 at 21:36

1 vote

2 answers

33 views

Can Arduino UNO/MEGA master assert SPI SS LOW on multiple slaves at once if Full Duplex is unnecessary?

hcheung

1,257

modified Sep 18 at 10:11

3 votes

1 answer

42 views

Arduino Servo with temperature sensor (TMP36)

6v6gt

985

modified Sep 14 at 6:34

1 vote

1 answer

42 views

ArduinoJson reading `null` from Serial

b1n3t

276

answered Aug 31 at 19:21

1 vote

1 answer

42 views

Is it possible to use UART0 freely when connecting ESP32 s3 via USB (D+, D-)?

Juraj♦

17.6k

answered Sep 8 at 6:58

0 votes

3 answers

67 views

Concatenate char arrays into a uint8_t array [closed]

Dario.Casciato

59

answered Sep 11 at 13:19

0 votes

1 answer

40 views

The port is not recognized when working with esp32 in arduino ide 2.2.1 (windows 11 home edition)

BTO ELECTRONICS

11

answered Sep 19 at 15:29

0 votes

0 answers

47 views

Share Wifi credentials via Access Point from Native App

boudien

1

modified Sep 4 at 9:47

-1 votes

1 answer

47 views

Serial does not read buffer with integer characters greater than 43

Nuno Santos

21

answered Sep 8 at 16:19

-2 votes

0 answers

47 views

Lost in ultrasonic readings when motors start tunning at high speed

chrisl

15.6k

modified yesterday

0 votes

1 answer

35 views

ATTINY 85 - use host laptop's internet

Dario.Casciato

59

answered Sep 11 at 13:33

-1 votes

1 answer

35 views

How to get recover numeric data sent by an Arduino in binary

Edgar Bonet

41.4k

modified Sep 17 at 12:06

-1 votes

0 answers

44 views

How to read from specific registers with Wire library?

Bruce

1

asked 2 days ago

-1 votes

0 answers

43 views

Help for a sketch ESP32 [closed]

chrisl

15.6k

modified Sep 24 at 15:46

0 votes

1 answer

43 views

Python script cannot connect to serial port

Дмитрий Насонов

9

answered Sep 26 at 8:16

0 votes

1 answer

31 views

blink a Grove - RGB LED Stick

StarCat

1,562

answered Sep 15 at 14:40

-1 votes

1 answer

24 views

Multiple definition error in STM32CubeIDE

Peter Mortensen

425

modified Sep 20 at 20:55

1 vote

1 answer

39 views

How to add one JsonDocument to another in ArduinoJson

Benoit Blanchon

712

answered Aug 31 at 7:24

0 votes

0 answers

38 views

Having Trouble Decoding UART Signal with Logic Analyzer - Need Suggestions [closed]

Corbin

1

modified Sep 18 at 6:41

-2 votes

0 answers

38 views

Arduino digital pin output is not low [closed]

Tanwa Kankang

7

asked Sep 22 at 16:30

-2 votes

0 answers

38 views

Good great mind . i have coded error which is troubling me . Compilation error: 'debounce' was not declared in this scope [closed]

RedGrittyBrick

1,142

modified Sep 25 at 9:32

-3 votes

0 answers

37 views

Adding SIM808 to RFID attendance code to send messages to each parent to confirm their child is in class [closed]

dda

1,553

modified Sep 21 at 5:21

-1 votes

0 answers

37 views

0.66in I2C OLED Display issue with Adafruit 1306 Library

jsotola

1,406

modified Sep 23 at 16:36

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