Hottest Questions This Month

14

votes

3

answers

7k

views

My code seems to be a train wreck

debugging

answered Dec 2 at 10:47 Artelius 111

0

votes

4

answers

315

views

Detecting how many button presses(single tap, double tap etc) with two simultaneous buttons

arduino-uno button

modified Nov 23 at 4:21 VE7JRO♦ 2,001

1

vote

3

answers

121

views

Set and extract individual bytes of a number (lowByte() and highByte())

data-type bytes

answered Dec 2 at 11:39 Artelius 111

1

vote

3

answers

245

views

Issue connecting heartbeat & temperature sensor on arduino uno but working individually

arduino-uno serial sensors pins temperature-sensor

answered Nov 17 at 13:52 the busybee 239

4

votes

2

answers

91

views

How to document a custom library in Arduino

library documentation

modified Nov 14 at 15:40 LukasFun 101

1

vote

1

answer

90

views

How to assign an interrupt to a button press with an ATtiny? (interrupt not fired with my code)

power interrupt attiny

modified Nov 21 at 9:35 Basj 234

0

votes

3

answers

70

views

Time counting using millis

led millis photoresistor

modified Nov 15 at 14:37 LukasFun 101

0

votes

3

answers

51

views

How to use assembly in arduino

led assembly

answered Nov 20 at 16:02 DataFiddler 467

0

votes

2

answers

57

views

Disable interrupts when doing critical things?

esp8266 interrupt

modified Nov 21 at 10:28 Edgar Bonet 29k

0

votes

2

answers

56

views

How to run led and buzzer at the same time?

arduino-uno

modified Nov 18 at 22:41 Peter Paul Kiefer 511

0

votes

3

answers

27

views

PCINT0, PCINT1, PCINT2, etc. on ATtiny45/85

interrupt attiny

answered Nov 20 at 14:54 Majenko♦ 77k

1

vote

2

answers

57

views

How to deep sleep ATtiny/ATmega (to run for years with batteries) but still detect a button press?

power atmega328 attiny sleep

modified Nov 21 at 9:34 Basj 234

0

votes

1

answer

71

views

no matching function to call for SoftwareSerial::SoftwareSerial(int&,int&)? How to rectify this problem

esp8266 softwareserial

modified Nov 12 at 17:37 Juraj 11.8k

0

votes

2

answers

52

views

8 digit 7 segment display issues

arduino-uno display

answered Nov 17 at 20:40 Kc Gibson 121

1

vote

1

answer

52

views

Baudrate is set to 9600 automatically even if specifying a different value

serial teensy linux baud-rate terminal

modified Nov 21 at 16:39 LukasFun 101

1

vote

1

answer

50

views

Using Serial.begin() twice

arduino-uno serial arduino-ide

modified Nov 27 at 16:09 chrisl 5,403

1

vote

3

answers

64

views

reading micro SD card directly from PC

arduino-uno sd-card

answered 2 days ago Majenko♦ 77k

1

vote

1

answer

63

views

Measuring 12 V via voltage divider: choosing the right resistors

analogread voltage-divider

modified Nov 13 at 0:46 Majenko♦ 77k

0

votes

3

answers

63

views

Why are embedded C codes are ending with “while(1)”?

avr

answered Nov 23 at 17:01 Ayyappadas G B 1

0

votes

2

answers

80

views

Compile code error: 'Serial' does not name a type

serial compilation-errors

answered Dec 2 at 10:53 Michel Keijzers 9,324

0

votes

1

answer

98

views

DS3231 + button to trigger light

arduino-uno programming arduino-ide timers button

modified Nov 12 at 12:40 Peter Paul Kiefer 511

1

vote

1

answer

46

views

7 segment display with common anode

display

answered Nov 28 at 22:00 Thomas Weller 229

0

votes

2

answers

71

views

+50

ESP32-CAM not reading BME680

esp8266 sensors spi esp32

modified Dec 3 at 0:52 roy 57

0

votes

2

answers

54

views

need to compare if a byte is less than 80 hex

arduino-nano temperature bit bytes

answered Nov 24 at 21:29 Edgar Bonet 29k

0

votes

1

answer

42

views

ADC register always returning high

analogread atmega2560 analog

answered Nov 15 at 9:16 Edgar Bonet 29k

0

votes

1

answer

88

views

How to set current position for the DC motor to zero + store current positions in an array and run it?

arduino-uno arduino-ide array

modified Nov 17 at 14:55 Miss Nature 1

1

vote

1

answer

53

views

What pins can be used for chip select (CS, CC) on the Arduino nano every?

arduino-nano spi sd-card

modified Nov 21 at 15:02 Michel Keijzers 9,324

0

votes

2

answers

53

views

Uno to NodeMCU Serial Connection Problem

arduino-uno nodemcu softwareserial

answered 2 days ago Lamar 101

0

votes

2

answers

41

views

What is the best data type to be used through i2C

arduino-mega i2c data-type

answered Nov 19 at 17:35 Sim Son 863

-2

votes

0

answers

84

views

Slider/Swiping touch capacitive foil [closed]

arduino-uno c

modified Nov 28 at 13:44 Tom 1

0

votes

2

answers

24

views

Attiny85, high output impedance, dim leds

attiny85

answered 9 hours ago Edgar Bonet 29k

0

votes

1

answer

39

views

publish json data to mqtt

esp8266 esp32 json mqtt

answered Nov 16 at 18:45 John Romkey 540

0

votes

2

answers

36

views

How to use ATtiny pins that are usually 'reserved' for chip programming?

programming attiny isp

answered Nov 14 at 16:38 jose can u c 6,686

-1

votes

1

answer

57

views

How to add another time counter to my functioning sketch?

timers

modified Dec 2 at 17:01 VE7JRO♦ 2,001

1

vote

1

answer

44

views

unable to read RS232 output on Arduino mega with MAX232 shield

serial arduino-mega rs232

answered Dec 2 at 12:11 Joost Keuskamp 31

0

votes

2

answers

71

views

Two Reed switch in two way directions

c++ electronics

modified Nov 25 at 12:30 Duncan C 3,599

0

votes

2

answers

55

views

while(1) inside if conditional

programming code-review loop

modified Nov 17 at 15:18 st2000 5,269

0

votes

4

answers

70

views

wake from powerDown to check sensor then put back to sleep

arduino-nano power sleep

answered Nov 11 at 15:09 Adriano 121

0

votes

2

answers

42

views

Help with Stair Lighting using HC-SR04 sensor and WS2812 LED Strip

programming hc-sr04

answered Nov 13 at 14:05 chrisl 5,403

1

vote

1

answer

42

views

How to split a binary data to form two split binary data?

arduino-uno programming bit

modified Nov 18 at 11:20 Michel Keijzers 9,324

0

votes

2

answers

52

views

Is the LGT8F328P legal?

atmega328 hardware

answered Nov 12 at 7:45 Kwasmich 1,218

0

votes

2

answers

31

views

Can I read from a memory card with three pins?

sd

answered Nov 29 at 18:41 Majenko♦ 77k

0

votes

1

answer

24

views

Switch Case Return , Return not printing

arduino-mega keypad

modified Nov 16 at 18:57 the busybee 239

0

votes

2

answers

39

views

How to read input pin on MCP23017?

arduino-uno input io-expander

modified Nov 12 at 8:21 R1S8K 119

0

votes

2

answers

49

views

What are exactly XTAL1 and XTAL2 pins in Arduino Uno/Nano?

arduino-uno oscillator-clock

modified Nov 8 at 14:37 CrossRoads 2,042

0

votes

1

answer

38

views

Is it possible to load both the arduino bootloader and a sketch onto an atmega328p via icsp?

atmega328 bootloader

modified Nov 6 at 12:44 Juraj 11.8k

0

votes

2

answers

38

views

Protect the Arduino make with Unique Id

arduino-uno

modified Nov 16 at 16:26 zhekaus 171

0

votes

1

answer

48

views

millis() function works with inline code and gives output but when creating own library it doesn't works

arduino-ide library millis

answered Nov 17 at 9:22 tavis 96

Top Questions

Looking for more? Browse the complete list of questions, or popular tags. Help us answer unanswered questions.