Arduino

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HOWTO get help with your arduino project

by adafruit » Sat Aug 08, 2009 12:40 am

Last post by brimus « Sun Aug 28, 2011 8:37 pm

by adafruit » Sat Aug 08, 2009 12:40 am

4 Replies

48943 Views

Last post by brimus
Sun Aug 28, 2011 8:37 pm
MLX90640 issue

by kashif9 » Tue May 30, 2023 2:46 am

Last post by kashif9 « Wed May 31, 2023 7:44 am

by kashif9 » Tue May 30, 2023 2:46 am

12 Replies

193 Views

Last post by kashif9
Wed May 31, 2023 7:44 am
No serial port on Feather RP2040 DVI

by gordiegii » Tue May 30, 2023 8:39 am

Last post by gordiegii « Tue May 30, 2023 8:39 am

by gordiegii » Tue May 30, 2023 8:39 am

0 Replies

16 Views

Last post by gordiegii
Tue May 30, 2023 8:39 am
Can I upload a pre-compiled code in nRF52840 express when needed?

by kufo » Mon May 29, 2023 9:58 am

Last post by dastels « Mon May 29, 2023 11:51 am

by kufo » Mon May 29, 2023 9:58 am

1 Replies

12 Views

Last post by dastels
Mon May 29, 2023 11:51 am
Cannot set 12hour mode on DS3121 using RTClib

by veditor78 » Thu May 25, 2023 11:18 am

Last post by mikeysklar « Sat May 27, 2023 4:55 pm

by veditor78 » Thu May 25, 2023 11:18 am

1 Replies

16 Views

Last post by mikeysklar
Sat May 27, 2023 4:55 pm
Getting started: Adafruit RP2040 Feather ThinkInk

by scobb00 » Sun Apr 23, 2023 12:26 pm

Last post by scobb00 « Sat May 27, 2023 11:44 am

by scobb00 » Sun Apr 23, 2023 12:26 pm

10 Replies

100 Views

Last post by scobb00
Sat May 27, 2023 11:44 am
Theater chase neopixel effects

by kaku_hm » Tue May 23, 2023 4:44 pm

Last post by dastels « Fri May 26, 2023 8:41 am

by kaku_hm » Tue May 23, 2023 4:44 pm

5 Replies

33 Views

Last post by dastels
Fri May 26, 2023 8:41 am
Upload problems Adafruit Grand Central with Arduino IDE 2.1.0

by Esma1510 » Thu May 25, 2023 3:35 am

Last post by dastels « Fri May 26, 2023 6:28 am

by Esma1510 » Thu May 25, 2023 3:35 am

3 Replies

46 Views

Last post by dastels
Fri May 26, 2023 6:28 am
Detect USB is connected on esp32-s2

by def1149 » Tue May 23, 2023 3:37 pm

Last post by mikeysklar « Thu May 25, 2023 9:00 pm

by def1149 » Tue May 23, 2023 3:37 pm

1 Replies

11 Views

Last post by mikeysklar
Thu May 25, 2023 9:00 pm
Stepper Motors 28BYJ-48

by sswcharlie » Thu May 25, 2023 2:38 am

Last post by adafruit_support_bill « Thu May 25, 2023 6:11 pm

by sswcharlie » Thu May 25, 2023 2:38 am

1 Replies

13 Views

Last post by adafruit_support_bill
Thu May 25, 2023 6:11 pm
addition GPIO Feather M4

by gary7 » Wed May 24, 2023 1:48 pm

Last post by adafruit_support_carter « Thu May 25, 2023 11:27 am

by gary7 » Wed May 24, 2023 1:48 pm

3 Replies

15 Views

Last post by adafruit_support_carter
Thu May 25, 2023 11:27 am
Arduino Newbie / WiFi

by K7TXA » Tue May 23, 2023 1:50 pm

Last post by mikeysklar « Wed May 24, 2023 4:10 pm

by K7TXA » Tue May 23, 2023 1:50 pm

1 Replies

24 Views

Last post by mikeysklar
Wed May 24, 2023 4:10 pm
How to Mount & Expose VEML7700 Outside?

by AlanWx » Tue May 23, 2023 8:53 pm

Last post by AlanWx « Wed May 24, 2023 10:27 am

by AlanWx » Tue May 23, 2023 8:53 pm

2 Replies

16 Views

Last post by AlanWx
Wed May 24, 2023 10:27 am
DS3231 RTC Interrupt Time Display Problem

by Alandinho10 » Tue May 23, 2023 11:37 am

Last post by adafruit_support_bill « Tue May 23, 2023 12:35 pm

by Alandinho10 » Tue May 23, 2023 11:37 am

3 Replies

16 Views

Last post by adafruit_support_bill
Tue May 23, 2023 12:35 pm
Powering 2 Large 12V DC to AF Motor Shield & Arduino

by davis425 » Tue May 23, 2023 7:56 am

Last post by davis425 « Tue May 23, 2023 10:58 am

by davis425 » Tue May 23, 2023 7:56 am

4 Replies

17 Views

Last post by davis425
Tue May 23, 2023 10:58 am
Power cable for motor shield 1438

by ScrollerMatt » Tue May 23, 2023 8:12 am

Last post by adafruit_support_bill « Tue May 23, 2023 9:07 am

by ScrollerMatt » Tue May 23, 2023 8:12 am

3 Replies

13 Views

Last post by adafruit_support_bill
Tue May 23, 2023 9:07 am
Arduino programmable µC with CANBus, HID

by ihab » Sat May 20, 2023 9:23 pm

Last post by ihab « Mon May 22, 2023 4:18 pm

by ihab » Sat May 20, 2023 9:23 pm

2 Replies

40 Views

Last post by ihab
Mon May 22, 2023 4:18 pm
VL53L0X time of flight and Midi library for a theremin

by Mekscin » Fri May 19, 2023 6:29 am

Last post by barshatriplee « Sun May 21, 2023 9:48 pm

by Mekscin » Fri May 19, 2023 6:29 am

3 Replies

40 Views

Last post by barshatriplee
Sun May 21, 2023 9:48 pm
DHT sensor library cannot get the temperature when add espidf framework

by zzzz0317 » Sat May 20, 2023 11:14 am

Last post by zzzz0317 « Sat May 20, 2023 11:14 am

by zzzz0317 » Sat May 20, 2023 11:14 am

0 Replies

22 Views

Last post by zzzz0317
Sat May 20, 2023 11:14 am
STM32F405 Express no longer connects to USB

by Jim8778 » Thu May 18, 2023 3:29 pm

Last post by Jim8778 « Fri May 19, 2023 7:38 pm

by Jim8778 » Thu May 18, 2023 3:29 pm

2 Replies

18 Views

Last post by Jim8778
Fri May 19, 2023 7:38 pm
Battery power of Arduino Nano 33 BLE Sense Rev2

by lauprellim » Thu May 18, 2023 1:44 pm

Last post by lauprellim « Thu May 18, 2023 1:44 pm

by lauprellim » Thu May 18, 2023 1:44 pm

0 Replies

12 Views

Last post by lauprellim
Thu May 18, 2023 1:44 pm
ESP32-S3 TFT Hello World Not Printing

by nh1628 » Mon May 15, 2023 2:22 pm

Last post by mikeysklar « Thu May 18, 2023 12:28 pm

by nh1628 » Mon May 15, 2023 2:22 pm

8 Replies

87 Views

Last post by mikeysklar
Thu May 18, 2023 12:28 pm
How can I use Sleep mode for nRF52840 Express?

by kufo » Wed May 17, 2023 4:30 am

Last post by kufo « Thu May 18, 2023 7:31 am

by kufo » Wed May 17, 2023 4:30 am

1 Replies

18 Views

Last post by kufo
Thu May 18, 2023 7:31 am
Examples using different sensors on nrf52832

by WishofBlue » Thu May 18, 2023 1:57 am

Last post by adafruit_support_bill « Thu May 18, 2023 6:19 am

by WishofBlue » Thu May 18, 2023 1:57 am

1 Replies

18 Views

Last post by adafruit_support_bill
Thu May 18, 2023 6:19 am
Adafruit QT Py ESP32-C3 missing bootloader

by jaredz » Mon May 15, 2023 8:15 pm

Last post by barshatriplee « Thu May 18, 2023 5:16 am

by jaredz » Mon May 15, 2023 8:15 pm

1 Replies

25 Views

Last post by barshatriplee
Thu May 18, 2023 5:16 am
Error 'class TwoWire' has no member named 'setSDA'

by rickseiden » Mon May 01, 2023 7:32 pm

Last post by rickseiden « Fri May 12, 2023 8:02 pm

by rickseiden » Mon May 01, 2023 7:32 pm

5 Replies

64 Views

Last post by rickseiden
Fri May 12, 2023 8:02 pm
Need Help with NINA Firmware

by cbourg » Thu May 11, 2023 7:49 pm

Last post by cbourg « Thu May 11, 2023 7:49 pm

by cbourg » Thu May 11, 2023 7:49 pm

0 Replies

11 Views

Last post by cbourg
Thu May 11, 2023 7:49 pm
I2C communication Problem

by ShirlySF » Tue May 09, 2023 6:36 am

Last post by adafruit_support_bill « Tue May 09, 2023 7:11 am

by ShirlySF » Tue May 09, 2023 6:36 am

1 Replies

31 Views

Last post by adafruit_support_bill
Tue May 09, 2023 7:11 am
Error Compiling ... libraries for SSD 1306

by johnherenow » Mon Apr 17, 2023 9:07 pm

Last post by adafruit_support_carter « Mon May 08, 2023 11:42 am

by johnherenow » Mon Apr 17, 2023 9:07 pm

2 Replies

46 Views

Last post by adafruit_support_carter
Mon May 08, 2023 11:42 am
Sketch Size Too Large

by paintlax » Fri May 05, 2023 7:30 pm

Last post by dastels « Sat May 06, 2023 4:08 pm

by paintlax » Fri May 05, 2023 7:30 pm

3 Replies

49 Views

Last post by dastels
Sat May 06, 2023 4:08 pm
Arduino can't connect/see STM32F405

by davidday47 » Mon May 01, 2023 3:51 pm

Last post by davidday47 « Thu May 04, 2023 4:51 pm

by davidday47 » Mon May 01, 2023 3:51 pm

4 Replies

57 Views

Last post by davidday47
Thu May 04, 2023 4:51 pm
Adafruit Library for RGB LCD Shield throws warning on latest IDE

by klcobley » Thu May 04, 2023 11:06 am

Last post by adafruit_support_carter « Thu May 04, 2023 1:26 pm

by klcobley » Thu May 04, 2023 11:06 am

5 Replies

30 Views

Last post by adafruit_support_carter
Thu May 04, 2023 1:26 pm
Adafruit_TLC59711 Chain

by Philipp_Kotek » Thu May 04, 2023 6:55 am

Last post by Philipp_Kotek « Thu May 04, 2023 12:43 pm

by Philipp_Kotek » Thu May 04, 2023 6:55 am

8 Replies

35 Views

Last post by Philipp_Kotek
Thu May 04, 2023 12:43 pm
Airlift with teensy 4.1 problems

by zzcrow » Wed May 03, 2023 12:15 pm

Last post by zzcrow « Thu May 04, 2023 12:27 pm

by zzcrow » Wed May 03, 2023 12:15 pm

1 Replies

26 Views

Last post by zzcrow
Thu May 04, 2023 12:27 pm
RFM9x Initialization troubles

by TruADTeam » Wed Mar 01, 2023 4:34 pm

Last post by javalde « Thu May 04, 2023 3:20 am

by TruADTeam » Wed Mar 01, 2023 4:34 pm

14 Replies

188 Views

Last post by javalde
Thu May 04, 2023 3:20 am
Code error

by ShirlySF » Tue May 02, 2023 6:14 am

Last post by dastels « Wed May 03, 2023 1:04 pm

by ShirlySF » Tue May 02, 2023 6:14 am

4 Replies

43 Views

Last post by dastels
Wed May 03, 2023 1:04 pm
How do I attach files to my code?
1

2

3

by animefruit » Sat Feb 25, 2023 1:04 am

Last post by animefruit « Sat Apr 29, 2023 1:21 pm

by animefruit » Sat Feb 25, 2023 1:04 am
30 Replies

277 Views

Last post by animefruit
Sat Apr 29, 2023 1:21 pm
Microphone Compatibility - Feather to Trinket Adafruit

by Alexander28 » Tue Apr 25, 2023 8:27 am

Last post by adafruit_support_bill « Fri Apr 28, 2023 8:32 am

by Alexander28 » Tue Apr 25, 2023 8:27 am

3 Replies

32 Views

Last post by adafruit_support_bill
Fri Apr 28, 2023 8:32 am
Problem uploading to ADAFRUIT Feather 32u4 using Arduino 2.1

by Alexander28 » Tue Apr 25, 2023 8:19 am

Last post by Alexander28 « Fri Apr 28, 2023 7:50 am

by Alexander28 » Tue Apr 25, 2023 8:19 am

2 Replies

24 Views

Last post by Alexander28
Fri Apr 28, 2023 7:50 am
Absolute Mouse USBHID - Adafruit Qt Py ESP32-S2 /or S3

by cb303 » Thu Apr 27, 2023 3:38 pm

Last post by cb303 « Thu Apr 27, 2023 3:38 pm

by cb303 » Thu Apr 27, 2023 3:38 pm

0 Replies

28 Views

Last post by cb303
Thu Apr 27, 2023 3:38 pm
ATmega328P with no bootloading

by BillRT » Mon Apr 24, 2023 3:40 pm

Last post by adafruit_support_mike « Thu Apr 27, 2023 5:32 am

by BillRT » Mon Apr 24, 2023 3:40 pm

1 Replies

35 Views

Last post by adafruit_support_mike
Thu Apr 27, 2023 5:32 am
Adafruit Sensor Lab gets stuck with LSM303AGR sensor

by myil17 » Sun Apr 23, 2023 3:16 pm

Last post by mikeysklar « Tue Apr 25, 2023 6:20 pm

by myil17 » Sun Apr 23, 2023 3:16 pm

1 Replies

37 Views

Last post by mikeysklar
Tue Apr 25, 2023 6:20 pm
Arduino Uno Boards "Forget" Win10 Hidden COM Ports

by Griffin65 » Fri Apr 14, 2023 5:41 pm

Last post by Griffin65 « Mon Apr 24, 2023 5:31 pm

by Griffin65 » Fri Apr 14, 2023 5:41 pm

2 Replies

46 Views

Last post by Griffin65
Mon Apr 24, 2023 5:31 pm
Problem with input

by clocktower » Sat Apr 22, 2023 12:44 pm

Last post by Franklin97355 « Sat Apr 22, 2023 1:00 pm

by clocktower » Sat Apr 22, 2023 12:44 pm

2 Replies

18 Views

Last post by Franklin97355
Sat Apr 22, 2023 1:00 pm
Qt Py can't find .ino file, please help newbie

by jayshomebrew » Sat Apr 15, 2023 1:41 pm

Last post by jayshomebrew « Sat Apr 22, 2023 11:50 am

by jayshomebrew » Sat Apr 15, 2023 1:41 pm

6 Replies

44 Views

Last post by jayshomebrew
Sat Apr 22, 2023 11:50 am
Adafruit Si4713 FM Radio Transmitter

by Stromkreise » Mon Feb 20, 2023 8:13 pm

Last post by electronaut « Sat Apr 22, 2023 11:19 am

by Stromkreise » Mon Feb 20, 2023 8:13 pm

6 Replies

119 Views

Last post by electronaut
Sat Apr 22, 2023 11:19 am
Security Access tuner replica from alien isolation

by knoxvilles_Joker » Fri Apr 14, 2023 6:25 pm

Last post by knoxvilles_Joker « Fri Apr 21, 2023 3:53 pm

by knoxvilles_Joker » Fri Apr 14, 2023 6:25 pm

2 Replies

40 Views

Last post by knoxvilles_Joker
Fri Apr 21, 2023 3:53 pm
Feather ESP32: Adafruit_MotorShield requesting non-existant SPI.h

by lamming » Thu Apr 20, 2023 12:04 am

Last post by lamming « Fri Apr 21, 2023 2:52 pm

by lamming » Thu Apr 20, 2023 12:04 am

2 Replies

44 Views

Last post by lamming
Fri Apr 21, 2023 2:52 pm
24LC32 arduino driver may need update; not working ?

by garberw » Thu Apr 20, 2023 7:35 pm

Last post by garberw « Fri Apr 21, 2023 8:54 am

by garberw » Thu Apr 20, 2023 7:35 pm

1 Replies

63 Views

Last post by garberw
Fri Apr 21, 2023 8:54 am
Code for SCD30 and 128x64 OLED screen featherwing

by Olivialovesbread » Mon Apr 17, 2023 8:52 pm

Last post by mikeysklar « Wed Apr 19, 2023 8:52 pm

by Olivialovesbread » Mon Apr 17, 2023 8:52 pm

3 Replies

40 Views

Last post by mikeysklar
Wed Apr 19, 2023 8:52 pm

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