Arduino

developers of open-source hardware and software that is compatible with Arduino
User
30.170
Votes
58.276
Comments
76.945
Questions
13.273
Answers
18.712
Solved Questions
5.522
Unsolved Questions
2.637
  1. ATTiny85 Digispark clones failing USB handshake - how to program them?
  2. What is FaryLink? [Access Point]

  3. Arduino LED flashes with one button press
  4. Using 5V microphone module with Wemos D1 Mini Pro 3.3V analog pin

  5. SPI Temperature sensor interface with arduino uno
  6. Are lambdas a good way to improve readability in this instance?

  7. ESP8266 reset problem
  8. Is my Arduino Micro bricked
  9. Using signal strength feature of nRF24l01 module

  10. For loop not running

  11. Which Pin goes to which Relay

  12. Able to make continous music loop in Arduino and control the volume of the music with light sensor reading?

  13. ESP8266 12e Arduino IDE outputs garbage values on serial monitor

  14. Serial Monitor not properly interpreting data from my NodeMCU V3

  15. Disable auto-reset mega 2560 on serial monitor open using 60 ohm resistor
  16. Eclipse add library
  17. KOOKYE fingerprint communication
  18. about arduino mega 2560 and TFT display
  19. RESET and RESUME case in Arduino mega 2560 code (PUSHBUTTON AS INTERRUPT)

  20. Weird issue with software serial?

  21. Select from Custom Array without Repeat

  22. Arduino Yun connection problems
  23. Reading multiple NTC temperature sensors with Arduino

  24. Can software destroy an arduino?

  25. Pair of nRF24L01s ping/pong example sketch works, but using my own code, fails after first successful transmit

  26. Connecting two analog multiplexers (CD4051b)
  27. My arrays are possibly causing the program to not enter loop?
  28. expected ')' before '{' token

  29. FastLED: "Invalid pin specified"
  30. Code is not working (Matrix keypad)

  31. Where can I storage a local database?

  32. Writing data from Multiple sensors in Burst mode to an Arduino Due

  33. serial data gets spoiled

  34. Background Processes - Arduino Mega and SeeedStudio CAN shield

  35. DS1307RTC Outputting cryptic 165/165/2165 date. What are some possible fixes?
  36. How to produce 6 PWM signals with 60 degrees phase shift?
  37. adafruit feather 32u4 bluefruit le and bluetooth module hc-05
  38. How to get Velocity and Displacement from IMU sensor?
  39. I can't control my DC motors speed with analogWrite()
  40. Not clear code procedure in Arduino wire library
  41. Format Integer in Arduino
  42. How to identify connection lost on HC-06?
  43. someVariable = { somethingThatLooksLikeAFunction }; possible?

  44. Unstable ESP8266 - flickering lights

  45. Project structure to build for PC and Arduino

  46. Send serial command and wait for reply

  47. How to control a DC Motor with absolute encoder using Arduino and Motor Driver?
  48. PWM help (input changing duty cycle)

  49. Read BLE Characteristic Value in Arduino Uno

  50. How do I import data from serial monitor to excel document without copying and pasting?

  51. How to uniquely identify NodeMCUv2 board?
  52. Maximum interrupts Arduino frequency

  53. Aurdino uno R3 based bluetooth usb 18 servo controller
  54. Failed to send data on online MySql database using SIM900 GPRS

  55. ATtiny88 ADC reference voltage setting

  56. Arduino UNO/Nano communication with SP1ML-868 module

  57. Where is the plus and minus? How to solder
  58. SIM808 module GSM working fine, GPS not working (No GPS ready message on power on)

  59. Does not name a type error

  60. Controlling Servo Motors with push button. Problem though
  61. Can the WiFi on ESP8266 be disabled?

  62. Is this a good function for I2C receive?

  63. Modifying Print.h on a mac

  64. boolean always false after 32 seconds

  65. Getting unknown characters with the actual response when Reading ELM327

  66. Arduino Mega 2560 interrupt pins and port mapping with rotary encoder

  67. Rubik Cube Solver (Program Help!)

  68. I want the degree of rotation in stepper motor program to be logged in a CSV file. My program is a below

  69. Fluctuating readings of LM35 temperature sensor (+- 5°C) on Arduino UNO
  70. Can't send serial data throught serial pins but it works with the usb port
  71. Having Problems registering my Sim800 with the network

  72. arduino connection to RFD900x
  73. NRF24L01 only receiving zeros

  74. Vary the length of square waveform

  75. I2C Arduino ESP8266 Bad Reading
  76. Time duration between two points using sr04 ultrasonic sensor
  77. Wemos D1 mini freezing after a few minutes
  78. ESP8266 and Python Communication

  79. Measuring Time while using interrupt pin

  80. cheap long lasting options for battery?
  81. Talking to ADS8698 (18-bit ADC) over SPI
  82. Arduino UNO r3 bluetooth usb 18 servo controller
  83. Regarding SD card writing

  84. Possibility to program the ATmega32u4 on the Arduino Yun using a configuration file
  85. Make 3 servos move like a wave
  86. Using ESP8266-01 with Arduino uno R3
  87. Save a fingerprint to the database of the fingerprint sensor
  88. IR Remote Piano
  89. How to power up this LCD 7 segments display
  90. Problems using Robokits USB-BlueTooth 18 Servo Controller

  91. Pointer problems using Adafruit MotorController
  92. what is arduino adc reference?
  93. AI A7 Thinker connection with Arduino

  94. Problem using ICSC (by majenkotech) in RS485 bus
  95. Additional Digital Input Pins
  96. The code is showing a error that "ledpin2 is not declared in the scope"
  97. How to constantly receive signal from IR while doing other tasks?
  98. Arduino code is not working for unipolar stepper motor
  99. Stepper Motor Power Supply

  100. Less hardware dependent development?