Arduino

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First question with score of 1 or more.
Awarded 11327 times.
Arduino | external power supply and USB at the same time
Awarded yesterday
An error is shown as sendCommand was not declared in this scope.how to rectify it
Awarded yesterday
Code not displaying/working DFRobot SIM808 shield data on Adafruit 1.69" ST7789 rounded screen
Awarded yesterday
Why is sensitivity (threshold) parameter ignored
Awarded yesterday
Trying to use an Arduino Uno to control two slaves with one master but its not working
Awarded Mar 23 at 11:27
Processing doesn't respond to arduino
Awarded Mar 23 at 11:27
Execute a loop function out of the main loop()
Awarded Mar 22 at 10:45
Communication with scale via rs232
Awarded Mar 21 at 10:42
How to use LiPo powered Arduino Nano BLE when it's charging (with a charging circuit and a boost converter)?
Awarded Mar 21 at 10:42
A fatal error occurred: Failed to connect to ESP32: Wrong boot mode detected (0x13)! The chip needs to be in download mode. [upload] Error 2
Awarded Mar 20 at 11:33
Problem Decode RF433 lib RC-Switch
Awarded Mar 20 at 11:33
Save sensors data on PC
Awarded Mar 20 at 11:33
HC05 and ELM327 NODATA sending PID codes
Awarded Mar 18 at 16:05
I am attempting to control two stepper motors by using serial input. My code works, however I have to press the new directional command multiple times
Awarded Mar 17 at 11:30
Determine the SOC and SOH of a 3.2V LiFePO 4 using Arduino Nano [closed]
Awarded Mar 17 at 11:30
Attiny84 with external eeprom-write and read beyond 255
Awarded Mar 17 at 11:30
problem converting String to uin32_t
Awarded Mar 17 at 11:30
Sending an image captured using ov7670 using arduino and serially transmit it to python
Awarded Mar 16 at 11:56
When the value of enter is greater than rfid tap, the commands under them do not work
Awarded Mar 16 at 11:56
Correctly connecting a four-pin tilt sensor to a breadboard before going live
Awarded Mar 16 at 11:56
How to pass Encoder object to constructor of a different class
Awarded Mar 16 at 11:56
Why is Arduino not visible in MacOS USB port list? [duplicate]
Awarded Mar 16 at 11:56
How to send sms with SIM7020c_mini
Awarded Mar 14 at 11:01
(post deleted or otherwise unavailable)
Awarded Mar 14 at 11:01
Change display on different condition using 2.4" TFT
Awarded Mar 14 at 11:01
MAX30102 doesnt show data when it's interfacing with other sensors MLX90614 and MPU6050
Awarded Mar 14 at 3:48
The gateway is not working in Arduino EthernetENC
Awarded Mar 13 at 11:20
(post deleted or otherwise unavailable)
Awarded Mar 12 at 14:51
AA alkaline batteries on firebeetle?
Awarded Mar 12 at 14:51
ESP8266 not sending text message to telegram bot
Awarded Mar 12 at 14:51
400 Bad Request ESP8622
Awarded Mar 12 at 14:51
How to burn fuses in Digistump ATTiny85 with the Arduino IDE
Awarded Mar 12 at 14:51
Checking a thing about interrupts
Awarded Mar 12 at 14:51
How does Arduino IDE reset a board before flashing? Why doesn't avrdude do it?
Awarded Mar 10 at 12:08
How to prevent the application code from getting stuck in forever loop when using SerialFlash library in Arduino-Adafruit framework
Awarded Mar 10 at 12:08
Connecting HM-10 and relay to Arduino Uno
Awarded Mar 9 at 12:01
What is the raw value & scale value functionality of analog read() of ESP32 ? (Provided for UNO for reference)
Awarded Mar 9 at 4:27
Arduino hangs / freezes - can't figure out why
Awarded Mar 8 at 19:35
Need ESP32 to use 3 Serial Ports
Awarded Mar 8 at 12:01
How to change between loops? IR Remote + led strip
Awarded Mar 8 at 12:01
Read data from SD card and convert to hex
Awarded Mar 8 at 12:01
subroutine with if else does not work
Awarded Mar 7 at 11:28
Error with Mega2560 via SPI
Awarded Mar 7 at 11:28
Automatic pet feeder with a simple menu type keypad
Awarded Mar 7 at 11:28
USB serial communication arduino nano and jetson nano
Awarded Mar 7 at 11:28
Fast digital IO
Awarded Mar 7 at 11:28
Dump data check failed on a TinyPICO using ESP32
Awarded Mar 7 at 11:28
WiFiClient.cpp:517 flush(): fail on fd 48, errno: 11, "No more processes" what it mean?
Awarded Mar 7 at 11:28
6 ST7735 screens not working at same time with Pico
Awarded Mar 7 at 11:28
How to fix pushbutton pushes no longer recording after 10-15 button pushes?
Awarded Mar 7 at 11:28
Poor Contact and Low Current Issues with Microswitches in Arduino USB Game Controller
Awarded Mar 7 at 11:28
Stepper motor not working with A4988 driver
Awarded Mar 7 at 11:28
ESP32 HTTP Request handles Go webserver response, but fails on node JS servers
Awarded Mar 7 at 11:28
Empty message parse using ArduinoJSON from aedes MQTT server
Awarded Mar 7 at 11:28
CircuitPython - how to connect Adafruit esp32 AirLift with Adafuit HttpServer - incompatible socket object
Awarded Mar 7 at 11:28
Programming ESP32-S3 WROOM with a flexy pin board
Awarded Mar 7 at 11:28
How to prevent an Arduino connected to the Internet from being hacked?
Awarded Mar 7 at 11:28
Atmega328P constantly restarting when defining a function
Awarded Mar 6 at 14:35
How do I interface my ESP32 board with my 3.5" TFT Screen
Awarded Mar 2 at 0:12
ESP & Servo not communicating well
Awarded Mar 1 at 13:50
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