Hottest Questions Today

2

votes

1

answer

21

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Arduino Ethernet Shield: “no matching function for call to 'EthernetClass::begin()'”

answered 2 hours ago Nino 111

0

votes

0

answers

13

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8 Touch Screen Displays with single custom Microcontroller Board

arduino-uno arduino-mega arduino-nano display pcb-design

modified 3 hours ago timemage 3,447

2

votes

1

answer

109

views

I develop an earthquake detector but when it detects a movement, the alarm doesn't stop from ringing

arduino-uno programming accelerometer buzzer

modified 5 hours ago jsotola 1,554

0

votes

0

answers

29

views

Using an Arduino for DAW Control with a Motorized Fader [closed]

sensors arduino-nano softwareserial midi software

modified 3 hours ago zRockafellow 21

1

vote

1

answer

16

views

ESP8266-01 module “AT” command testing not responding

serial esp8266

answered 6 hours ago Majenko♦ 94.8k

0

votes

0

answers

26

views

What happens if Millis() method variable goes out of it's capacity? [duplicate]

arduino-uno millis

asked 14 hours ago Subha Jeet Sikdar 317

0

votes

0

answers

25

views

Arduino Mega as a EEPROM Programmer for Winbond W29EE011 memories

arduino-mega programming eeprom flash memory

modified 5 hours ago Dan Fayal 1

1

vote

0

answers

28

views

Program an lcd display with 12 pins

arduino-uno programming lcd display

asked yesterday Wolffyx 21

0

votes

0

answers

26

views

Where to ask a question regarding the capabilities of a specific light intensity sensor? [closed]

sensors

modified yesterday Majenko♦ 94.8k

1

vote

0

answers

40

views

Maximum distance for sensor

sensors esp32

asked yesterday Saars 31

0

votes

2

answers

56

views

Passing a two dimensional array to a function

array class pointer

modified yesterday Majenko♦ 94.8k

1

vote

2

answers

51

views

Serial.print() Inferferes with my digitalRead()

button debounce

answered yesterday tim 308

0

votes

1

answer

20

views

A9G gsm module not displaying message body after receiving SMS

gsm

modified yesterday Majenko♦ 94.8k

1

vote

1

answer

19

views

Trying to use Serial to communicate between two D1 Mini's

serial

answered yesterday Saars 31

1

vote

1

answer

38

views

Serial baud rate is less than specified

serial

answered yesterday PMF 547

0

votes

2

answers

23

views

Invalid use of void expression (how to use function pointer with input)

arduino-nano interrupt

modified yesterday jsotola 1,554

0

votes

1

answer

43

views

How to deal with global variables in a program which has more than 5 functions and every function accesses them without any problem? [duplicate]

variables

answered 2 days ago Michel Keijzers 12.2k

0

votes

3

answers

60

views

Can I test if something is connected to analog pin?

analogread

answered Jun 16 at 10:45 Boggyman 905

1

vote

1

answer

23

views

How to get time from RTC after wake up from sleep?

interrupt rtc sleep

answered 2 days ago Edgar Bonet 41.1k

0

votes

0

answers

29

views

Drive a rotary module [closed]

programming arduino-due rotary-encoder can-bus rx-pin

asked 2 days ago Yanis 1

0

votes

0

answers

16

views

ESP32 sending data of type uint16_t(or anything except for uint8_t and char*) over bluetooth(classic) serial

serial bluetooth esp32

asked 2 days ago Rajat Mondal 101

1

vote

0

answers

13

views

Prevent timeout while exchange data between two stm32

uart stm32

asked 2 days ago falcon_977 23

2

votes

1

answer

70

views

Is it possible to read multiple buttons with the CD74HC4067?

arduino-mega arduino-ide multiplexer demultiplex

answered 23 hours ago tim 308

2

votes

1

answer

23

views

SPI.begin doesn't work after tristate

atmega328 spi nrf24l01+

answered 2 days ago jhorv 41

1

vote

0

answers

24

views

ESP32 doesn't connect to Arduino. | could not open port 'COM2': WindowsError(5, 'Access is denied.')

arduino-ide esp32

modified 2 days ago André Balbi 11

1

vote

0

answers

38

views

How can I handle six SoftwareSerial ports for six Nova SDS011 Air Quality Sensors on Arduino MEGA?

arduino-mega sensors softwareserial

asked Jun 16 at 12:15 Dratcher 11

0

votes

1

answer

24

views

How to use Serial2 on Raspberry Pi Pico

raspberrypi-pico

answered Jun 16 at 14:31 mvermand 321

-2

votes

1

answer

57

views

Do I use an LED or a pullup resistor for stopping “floating” or “ghosting” for a matrix keypad?

arduino-mega c++ led c resistor

answered Jun 15 at 17:56 Majenko♦ 94.8k

1

vote

1

answer

67

views

Encrypting the code using AES . ESP32

esp32

modified Jun 16 at 3:25 Siripaiboon Flame Janpetch 11

1

vote

2

answers

32

views

Adafruit Featherwing Latching Relay lamp switch

feather

answered 2 days ago Siburmax 21

1

vote

0

answers

15

views

MAX31865 and PT100 readings problem

arduino-uno spi temperature

asked Jun 16 at 10:36 Lactobacillus 11

0

votes

1

answer

43

views

ATmega328p bootloader issue : [avrdude: stk500_recv(): programmer is not responding]

atmega328 bootloader

answered Jun 15 at 17:51 Majenko♦ 94.8k

-3

votes

0

answers

31

views

C++ Compile Error [closed]

c++

asked Jun 15 at 19:42 Furkan Yağcı 7

0

votes

1

answer

40

views

My Arduino don't show port but is working

stm32 upload

modified Jun 15 at 20:02 so sa 49

1

vote

2

answers

36

views

NodeMCU wont connect to Blynk

code-review blynk

answered Jun 15 at 17:11 Randomaker 81

1

vote

0

answers

35

views

esp-8266 wont return php file echo

arduino-uno esp8266

asked Jun 15 at 10:31 Khizar 11

-1

votes

0

answers

32

views

I m doning solar monitaring system i want code with given components [closed]

arduino-uno esp8266 programming sensors solar

asked Jun 15 at 7:37 Gopagoni Rajeshwari 9

1

vote

0

answers

18

views

Click counter using SparkFun Qwiic Twist

programming rotary-encoder

asked Jun 15 at 19:06 user2788464 123

1

vote

1

answer

39

views

Dealing with USB Unplugging?

serial arduino-due

modified yesterday alessandromrc 91

1

vote

1

answer

40

views

Is it possible for a body temp, blood pressure, oximeter, and pulse rate sensor be in only one Arduino UNO? [closed]

arduino-uno programming sensors temperature-sensor

modified Jun 14 at 11:11 timemage 3,447

2

votes

0

answers

29

views

Why is my 5 pin switching headphone jack shorting out my circuit when I plug a 3.5mm phono cable into it? [migrated]

atmega328 audio sound speaker op-amp

asked Jun 14 at 22:10 cody blanchard 29

1

vote

1

answer

48

views

invalid conversion from 'char' to 'const char*' [-fpermissive] on a string

arduino-ide string compilation-errors

answered Jun 14 at 1:38 timemage 3,447

2

votes

0

answers

27

views

Stop VSCode/Arduino add-in from sending reset signal in the event of compile errors

upload vscode

modified Jun 15 at 13:30 Llaves 181

1

vote

0

answers

36

views

State machine controlling dc motor/ buzzer/ lcd / ultrasonic

programming

asked Jun 14 at 12:24 mmmmhe 21

0

votes

0

answers

29

views

nRF52 non-volatile storage/recall of a variable - is there a simple solution?

eeprom variables memory nrf52

asked Jun 14 at 12:09 TommyS 59

1

vote

0

answers

37

views

How to convert a hexadecimal string to an ascii string? [closed]

arduino-uno c

modified Jun 14 at 14:35 XR8022 11

0

votes

0

answers

25

views

Uploading Arduino Bin files to stm32f103 by STM32Cubeprog

uploading stm32

modified Jun 14 at 14:43 so sa 49

1

vote

0

answers

18

views

Problem sending data via Bluetooth

bluetooth

modified Jun 14 at 20:26 Dave Newton 249

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