Hottest Questions This Month

1

vote

4

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656

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changing state of an LED using a pushbutton leads to unstable result

modified Apr 11 at 10:58 orithena 121

1

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1

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410

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'Var' does not name a type!

arduino-uno programming c++ error

modified 17 hours ago Michel Keijzers 7,134

4

votes

2

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196

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Arduino Pro Micro - switch off LEDs

arduino-pro-micro

modified Apr 13 at 21:37 Jot 2,875

2

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4

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137

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modified Apr 3 at 20:57 chicks 149

2

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2

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173

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modified Apr 12 at 6:59 Tirdad Sadri Nejad 191

1

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1

answer

188

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Triggering an ultrasonic sensor

arduino-uno sensors

modified Apr 19 at 7:44 Greenonline 2,262

0

votes

2

answers

114

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expected `}' at end of input

arduino-uno programming

modified Apr 10 at 17:03 Michel Keijzers 7,134

0

votes

2

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78

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How to run Arduino codes in Java netbeans?

arduino-ide java

answered 5 hours ago Duncan C 2,156

2

votes

2

answers

126

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Using an external header file

c

modified Apr 21 at 11:57 Greenonline 2,262

3

votes

1

answer

67

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Why is no PWM signal generated using Timer 2?

timers

modified Apr 6 at 23:57 Sim Son 145

3

votes

1

answer

81

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Code test the duration press of the button

timers button debounce

modified Apr 1 at 14:03 TAL33 56

0

votes

2

answers

77

views

LED on same Pin as Toggle Switch, not illuminating

arduino-uno led switch

answered Apr 8 at 7:47 Jot 2,875

1

vote

3

answers

87

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Unable to store data in variable from Serial.read()

arduino-uno bluetooth

modified Mar 30 at 10:05 Juraj 8,503

-1

votes

2

answers

111

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Arduino nano power 5V or 12V and LED strip 2812B 5V

arduino-uno

answered Mar 27 at 16:30 CrossRoads 1,648

0

votes

4

answers

44

views

How can I hook up multiple MMA8451 accelerometers, (I2C protocol) using one Arduino Mega?

arduino-mega i2c adafruit accelerometer robotics

answered Apr 19 at 2:39 Supragya Mishra 1

1

vote

5

answers

69

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Fan regulator control from Arduino

arduino-uno relay remote-control home-automation

answered 2 days ago HughV 1

0

votes

2

answers

51

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How to get average of 16bit ADC readings?

arduino-uno i2c adc mathematics

modified Apr 20 at 10:01 Vaibhav 346

0

votes

2

answers

61

views

How to sample incoming 600khz pin and divide it by 4 and generate low frequency signal at output pin of arduino

arduino-uno arduino-mega rotary-encoder

answered Apr 6 at 16:28 Edgar Bonet 25.2k

0

votes

1

answer

60

views

What is the difference between the two sensors? [closed]

arduino-uno

modified Apr 10 at 9:55 Roberto Lo Giacco 1,152

1

vote

2

answers

58

views

Issue with Indenting the Serial Print data in the Serial Monitor

serial

modified Apr 15 at 11:06 Jot 2,875

1

vote

1

answer

45

views

Calculating the time between the signal when its ON and when it gets OFF

arduino-uno

answered Apr 9 at 11:08 Reezy 141

0

votes

1

answer

42

views

Read nested array item from PROGMEM

memory progmem

answered Apr 4 at 19:49 Majenko♦ 70.1k

1

vote

2

answers

85

views

Why does current flow along a wire instead of a resistor right next to it? [closed]

arduino-uno button resistor

modified Apr 21 at 13:18 Greenonline 2,262

0

votes

1

answer

62

views

Trying to measure change in light levels over time [closed]

arduino-uno rgb-led

modified Mar 30 at 1:48 Duncan C 2,156

0

votes

1

answer

79

views

what is the difference between array of uint16_t data versus an array of uint16_t variables?

ir variables

answered Mar 28 at 20:35 Edgar Bonet 25.2k

1

vote

2

answers

79

views

How to communicate between a webcam and an Arduino UNO and get the live feed on mobile using ESP8266? [closed]

arduino-uno esp8266 wifi l298n camera

modified Apr 9 at 16:28 Rajendra 41

0

votes

2

answers

57

views

MPU-6050 with Arduino - postmortem

arduino-uno i2c accelerometer mpu6050 gyroscope

answered Apr 1 at 6:19 Vaibhav 346

0

votes

3

answers

91

views

Distance Sensor. Calculating running median and Average

arduino-leonardo

modified Apr 1 at 15:45 Edgar Bonet 25.2k

0

votes

2

answers

54

views

7 LED Number Display

arduino-uno led display

answered Mar 31 at 18:49 Duncan C 2,156

0

votes

1

answer

54

views

Maintaining time in Arduino

arduino-uno arduino-micro rtc ds3231-alarms

answered Mar 30 at 7:51 Nick Gammon♦ 28.9k

0

votes

2

answers

89

views

switching two relays without delay using millis [closed]

arduino-uno

answered Mar 28 at 4:22 Jot 2,875

-1

votes

1

answer

66

views

Why LCD 16x2 cannot display “water leaking” when rain sensor detects water?

arduino-mega sensors lcd

answered Mar 31 at 7:40 RJPlog 149

1

vote

2

answers

40

views

What is the purpose of Serial.println() without an argument?

serial arduino-mega

answered Apr 10 at 19:03 Edgar Bonet 25.2k

0

votes

2

answers

51

views

Reading Digital Pins and Outputing on entire Ports

led array

answered Mar 28 at 16:03 Edgar Bonet 25.2k

1

vote

1

answer

63

views

How to filter the power supply for an Arduino in a vehicle (car, motorcycle)?

power

modified Apr 22 at 9:55 Dorian 184

0

votes

2

answers

80

views

Is there a way to get my MacBook's date and time into Arduino IDE?

arduino-mega time rtc

modified Apr 4 at 7:38 Alexander 140

0

votes

1

answer

62

views

Is there a way to have the LED switch on after 10 readings or say a minute?

arduino-uno led rfid

modified 2 days ago Nisse Engström 193

2

votes

1

answer

47

views

Ardunio Mega/ATmega2560: Using Port F or K for both analog inputs and digital outputs

arduino-mega analogread adc atmega2560 digitalwrite

answered Apr 3 at 5:48 Mikael Patel 7,246

-3

votes

1

answer

45

views

Serial communication stops when powered with batteries?

arduino-uno serial esp8266 battery capacitors

answered Mar 28 at 20:35 chrisl 2,822

2

votes

1

answer

45

views

How do you combine 2 different sketches together

programming

modified 11 hours ago Duncan C 2,156

0

votes

2

answers

57

views

Sporadically corrupted data returned from ESP8266

arduino-uno esp8266

answered Apr 18 at 14:25 MPH 13

0

votes

1

answer

44

views

Invoke a method in the main sketch from within a library

arduino-uno esp8266 programming arduino-ide library

modified Apr 13 at 10:30 Nisse Engström 193

2

votes

2

answers

34

views

Ensure board is always on the same port?

serial arduino-mega usb communication

answered Apr 9 at 13:44 DataFiddler 163

0

votes

1

answer

34

views

PWM Control, How to stop LED from Flickering?

arduino-uno led pwm button potentiometer

modified Apr 16 at 0:41 Duncan C 2,156

2

votes

1

answer

34

views

cannot convert 'bool' to 'PinStatus' for argument '2' to 'void digitalWrite(pin_size_t, PinStatus) on Arduino Uno Rev 2 Wifi not working

arduino-uno

modified Apr 19 at 10:50 Filip Franik 645

0

votes

1

answer

56

views

Digital map in A* search algorithm in Arduino [closed]

arduino-uno arduino-due robotics algorithm

modified Apr 11 at 21:38 Nisse Engström 193

1

vote

2

answers

43

views

What Version of the Sketch did I leave on there?

programming

answered Apr 6 at 18:43 Mikael Patel 7,246

0

votes

1

answer

55

views

How to Simulate and Tune a PID

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modified Apr 2 at 9:14 Edgar Bonet 25.2k

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