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0 answers
13 views

Send a specific IR payload captured

0 votes
1 answer
26 views

Send data with Serial.write() hex values

-1 votes
0 answers
17 views

temperature surge when i connect the pin 8 of lm358 op amp to 5v of arduino using lm35 sensor

-2 votes
0 answers
13 views

Servo error - Obstacle Avoiding Robot Car

0 votes
0 answers
21 views

Arduino fails to upload Elegoo Uno R3 (resp=0x73)

0 votes
1 answer
29 views

SSD1306 i2c OLED display - not able to show images properly

-1 votes
1 answer
68 views

Adding a Zener diode as a "mini voltage regulator"

-1 votes
0 answers
26 views

What is quicker when performing operations on a bool array[64] compared to a uint64_t variable?

-2 votes
0 answers
14 views

Rf receiver for simple use case [closed]

1 vote
1 answer
39 views

ESP32 webserver with a loaded page fails to update data in elements after sending an Json file, the Json data is printed instead of the loaded page

0 votes
1 answer
37 views

How to read my three button inputs

0 votes
0 answers
24 views

Arduino Mega and two SPI devices

0 votes
1 answer
40 views

Using a bistable solenoid valve with arduino from battery

0 votes
0 answers
87 views

nRF24L01 simple bidirectional issue [closed]

0 votes
0 answers
43 views

Simple float switch code

0 votes
2 answers
77 views

Get GPS position from a Heltec Wireless Tracker arduino

-1 votes
1 answer
42 views

8051 MCU burner replica of Arduino programmer?

-1 votes
0 answers
30 views

AltSerial & Serial not working together

0 votes
1 answer
27 views

implementing wireless communication between 2 arduino uno

0 votes
0 answers
18 views

Homodyne that turns on or off a light [closed]

0 votes
0 answers
21 views

ESP8266 NodeMCU SD Card Not Initializing

0 votes
0 answers
35 views

How to trigger buzzer and LED using NodeMCU 8266?

0 votes
0 answers
14 views

Problems with modbus using Max485 modules between arduinos

-1 votes
0 answers
20 views

Combining dht11, mq135, max30100 in arduino uno. No readings from max30100

-1 votes
0 answers
13 views

Why I receive a RTU Timeout on my TCP/RTU bridge even though the slave sends a response?

0 votes
1 answer
31 views

Controlling a NEMA 17 with PID on TB6600, motor too slow

-1 votes
0 answers
21 views

How to 2 separate motors with 12v input with remote [closed]

-1 votes
0 answers
40 views

Programmable switch timer [closed]

1 vote
1 answer
61 views

Confusion re: getting bootloader onto new-out-of-the-box Nano v3.0 (classic)

1 vote
3 answers
74 views

AREF pin on Arduino Uno R3

0 votes
0 answers
24 views

Change analogWrite() frequency using the arduino framework for ATSAMD51 [closed]

-2 votes
0 answers
28 views

192X64 LCD not working properly (SBN0064) [closed]

-1 votes
0 answers
30 views

RTC Crystal Severe Timing Inaccuracy [closed]

-3 votes
0 answers
31 views

Is there a way to post data to cloud on demand?

0 votes
0 answers
22 views

Looking for a library with basic EtherCAT master functionality

1 vote
1 answer
43 views

Re-using built-in USB port to charge battery

0 votes
0 answers
35 views

Arduino Line Notify Stops Working After 1 Hour

0 votes
1 answer
72 views

Arduino Nano spontaneously stops working and disconnects from computer [closed]

0 votes
0 answers
38 views

Arduino Uno, TCA9548, BME280 - Not Found Sensors BME280

-1 votes
0 answers
82 views

LILYGO T-Display-S3 (ESP32), TCA9548A and AHT20 Sensors

0 votes
0 answers
24 views

Arduino Nano ESP 32 board (ABX00083) SPI interface not working

0 votes
1 answer
55 views

ESP32CAM behaving unusually

0 votes
0 answers
75 views

Arduino UNO RX LED always on and can't upload any sketch

1 vote
1 answer
35 views

Software Serial Communication Problem between ESP8266 and Arduino Mega for Plant Monitoring System (using Blynk IoT)

-1 votes
1 answer
43 views

Class private variable values not accessible in public function

-1 votes
0 answers
60 views

avrdude -Strange behavior

1 vote
1 answer
329 views

Arduino IDE 2.3.2 Not Launching New Install

1 vote
1 answer
32 views

Different pin names in 0V7670 Camera Module


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