Arduino
developers of open-source hardware and software that is compatible with Arduino
User
33.735
Votes
64.074
Comments
86.826
Questions
14.398
Answers
20.210
Solved Questions
5.996
Unsolved Questions
2.778
  1. How to know physical address of XBee?
  2. Is there such thing as advertise your custom UUID? Advertise on logic HIGH only
  3. MFRC522 Only working sometimes
  4. Arduino UNO SPI Serial Clock (Pin 13 SCK) gives no output, but Blink Example (Pin 13 LED) works

  5. Need assistance with serial data between PC and Arduino Mega2560 - post two
  6. Raspberry Pi with Arduino, Serial connection stops working

  7. Need assistance with serial data between PC and Arduino Mega2560

  8. Control/Interacting with Android OS using Arduino board

  9. How to set the sampling frequency in Arduino without using a delay

  10. CC3000 gets wrong address when connecting to wireless AP
  11. Semantics of local PROGMEM

  12. Attiny85 appears to be drawing 0.2mA current but battery running down more quickly

  13. Control LED strip IR controller using Arduino
  14. bluetooth module and pic
  15. ATtiny84 vs ATtiny85 consumption
  16. Use PIR sensor to control a bulb with relay but it does not respons with the sensor

  17. Modbus RTU controller monitoring with arduino and RS485 module

  18. Follow redirect of a captive portal with NodeMCU 0.9
  19. How to upload data to program over USB port

  20. How to install several IDE version on my PC

  21. Splitting the power source between an arduino and a servo

  22. Run 5V LED Matrix and LED Strip on one Arduino

  23. Issue with code for SDA/SCL TC9548A Multiplexer and HMC5883L sensors
  24. How to use an external clock with Due timer
  25. Slackbot integration using ESP8266 gets "ssl->need_bytes=16432 > 6859"

  26. Help with 1-Wire to I2C translate

  27. How to externally power HC-05 module with Arduino Pro Mini?

  28. Is setup and loop provided for convenience?

  29. Master Slave Arduino-Side Multiprocessing

  30. How to change colors and theme settings in 'Windows Store app' version of Arduino IDE?

  31. How to use Below AT commands in SIm7100E

  32. ESP8266 wifi mesh

  33. ESP8266/NodeMCU unable to communicate with MFRC522 RFID reader

  34. How to continuously monitor range finder and immediately interrupt code to run a different code in pedestrian traffic lights setup?
  35. ESP8266 + Slack (ssl->need_bytes=16432 > 6859)

  36. Version 3.0 on Module Bluetooth HC-05
  37. Powering servos with external source

  38. Multiple programming

  39. Can't manually connect HC-05 master to slave

  40. How do I view Serial Output on an Android Device?

  41. What is wrong with my code? Did you forget '()'?

  42. ESP8266 blink sketch not blinking LED

  43. Lost AT+ commands on ESP8266 after flashing with "blink" sketch

  44. how to run a sweep a servo and take readings from a sensor at the same time
  45. i want change value in arduino by php

  46. LED strip problem... getting red when expecting white with lots of pixels. Fine with 1 pixel

  47. I'm trying to make a program which you choose an angle

  48. RF transmitter with external 8-12v power not working properly

  49. Arduino Uno , ON, TX RX and L glow red

  50. Which EEPROM has a long lifecycle?
  51. LCD not displaying text
  52. Is it possible to have two kinds of data intercept through an arduino set?

  53. Is it possible to burn a bootloader to an ATTiny85 with USB TTL and avrdude?

  54. How to solve problem AT+INQ ERROR (1F), AT+INIT ERROR(17) on Bluetooth Module HC-05?

  55. Moving wiring.c functions from timer0 to timer1
  56. adafruit LSM9DS0 Library - ok with Uno but compile error with LinkitOne?

  57. What should I use as the backbone of a distributed project?
  58. Using millis() to time the start / stop of a a DC motor

  59. Readings changing in hall effect sensor
  60. Arduino code to control 4 led's from 4 buttons
  61. Ethernet Controlled Arduino Arm

  62. The "avrdude" strikes again - but only on Peppermint OS
  63. Infrared frequency recorded with saleae

  64. How to purge incoming Xbee packets from the buffer?
  65. Implementing a USB MIDI host
  66. MFRC522 won't detect cards after the first loop

  67. Problem when read data from Schneider PM1200 with Arduino Mega 2560

  68. 5V Pressure sensor module with 3.3V ADC

  69. Problem uploading to board
  70. Bootloader is not burned in Arduino Uno R3 board (ATmega 328P)
  71. WS2811 LEDs have the wrong color unless I touch the data wire

  72. Connect NodeMCU 0.9 to WPA2 Enterprise

  73. How to post HTTP POST requests on my website?

  74. Sparkfun ESP32 Thing - Sending string over IR

  75. STM32f407G Discovery Board with keypad in arduino IDE
  76. trouble verifying LED matrix libraries into Arduino IDE
  77. How to loop the result
  78. Arduino Yun connection problems

  79. Trouble using proximity sensor as input and LED output

  80. Using an ESP8266 with an Arduino Uno - can't get AT command to work
  81. 16*2 1602A LCD not displaying any character or contrast, although correct wiring
  82. Code working when serial monitor is opened...
  83. Bluesmirf Mate Silver (RN-42) enter command mode when in HID mode
  84. Building an EEZYBOTARM MK1
  85. Cons of using timer0 with external input?

  86. Problem with motor driver shield
  87. AT command to put the A6 GSM/GPRS into sleep / power down

  88. Arduino Mega Sensor shield
  89. SIM800L not registering to network
  90. How to get response of issued AT command for ES266 on Arduino programatically?

  91. How to create TCP server on Arduino UNO WiFi?

  92. avr/io.h No such file or directory error when compiling using avr-gcc

  93. ESP8266 library / function for IR remote control

  94. myserial.available() returns zero byte

  95. connecting 5 mq sensor at a time
  96. Sim808: Is My GPS Module Broken?
  97. PCM audio, PROGMEM sounds through speaker, multiple clips (using speaker_pcm)
  98. avr_g++ compiler error: expected primary-expression before '.' token (C code in .ino)

  99. Is there a way to send data from Tensorflow to Arduino via Bluetooth?
  100. how to program Stepper Motor Unipolar Driver IC?