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Top Questions

0 votes
0 answers
6 views

Controlling a gear motor turn a valve handle

-1 votes
2 answers
4k views

Arduino Temperature sensor with a LED

1 vote
0 answers
43 views

Issue reading sensor values with CD74HC4067 16 Channel Mux

2 votes
3 answers
2k views

Why does Serial.write() work but Serial.print() doesn't?

14 votes
5 answers
32k views

ESP8266, Arduino IDE vs Lua?

20 votes
5 answers
10k views

I'm using too much RAM. How can this be measured?

12 votes
1 answer
13k views

Use Unix terminal instead of the Monitor on Arduino IDE

2 votes
2 answers
132 views

Problem sending serial data between Arduino and ATtiny back and forth

0 votes
1 answer
109 views

How do I ensure XIAO ESP32S3 reconnects to network?

0 votes
2 answers
190 views

SoftwareSerial.h: No such file or directory Arduino Nano + DF player

-1 votes
1 answer
180 views

ESP32-S3 continuous reboot after flashing larger firmware

9 votes
2 answers
8k views

Arduino interruption (on pin change)

0 votes
0 answers
40 views

NEMA 17 with A4988 Runs Smoothly During Code Upload but Moves Erratically Afterward

0 votes
1 answer
46 views

I2C arduino to jetson TimoutError

0 votes
0 answers
39 views

ESP32C6 + PN532 NFC Reader (HW-147C) SPI Communication Not Working - "Didn't find PN53x board"

0 votes
1 answer
29 views

Which USB driver to choose for Digispark ATtiny 85 board connected to a Windows 11 PC?

-1 votes
0 answers
20 views

CAN SAEJ 1939 prototype setup [closed]

0 votes
2 answers
1k views

ESP32 struggling to trigger relay module consistently

3 votes
1 answer
1k views

Communication between two Arduinos using ENC28J60?

0 votes
1 answer
88 views

Problems to start OV5640 Camera in a ESP32-CAM board

-1 votes
1 answer
67 views

constintgreenLEDPin' does not name a type [closed]

3 votes
1 answer
256 views

Error trying to play audio through an ESP8266 using the 'ESP8266Audio' library

-1 votes
1 answer
432 views

Problem with ESP32 bluetooth [closed]

1 vote
1 answer
103 views

Receiving incorrect Data through CANbus MCP2515, Nano to Nano - Data points 3, 5, and 7 only go to 7 bits instead of 8?

0 votes
0 answers
47 views

Trouble connecting Uno + ESP8266 to Wifi

0 votes
1 answer
39 views

ESP32 LEDC "hpoint" - Parameter

0 votes
1 answer
55 views

Arduino Nano ESP32 control WS2815 led strip [closed]

0 votes
0 answers
38 views

Increase current of IR trasmitter with embedded resistence [closed]

2 votes
1 answer
860 views

Converting ESP32 SPI code to Arduino for MAX6921 IV-18 driver board

1 vote
1 answer
269 views

LCD display connection without a resistor

0 votes
1 answer
454 views

Powering SG90 Servo with 18650 battery

1 vote
1 answer
123 views

Having issues with RS232 UART wiring to a physical PC connection

1 vote
1 answer
346 views

DS2436 Arduino UNO programming

1 vote
1 answer
178 views

SdFat.h pin selection ESP8266

2 votes
1 answer
651 views

nRF24L01 using sender as receiver and vice versa with RF24 library

-1 votes
1 answer
141 views

Arduino Nano R4 interrupts

0 votes
2 answers
235 views

Can I make this changes to this diagram of a ESP32-CAM?

1 vote
1 answer
62 views

Missing data when communicating over UART

0 votes
0 answers
41 views

Using Analog Multiplexer CD74HC4067 with Circuit Playground Express

0 votes
1 answer
71 views

How to adapt this ESP32 + TMC2240 stepper controller design to my project?

2 votes
1 answer
4k views

Impossible to install the esp_camera library

0 votes
1 answer
60 views

esp_now_send takes a non-const uint8 mac address. Why? Does it modify it in some way?

0 votes
1 answer
511 views

Can an Arduino wake from deep sleep exactly on an analog voltage threshold crossing (not a digital interrupt)?

0 votes
1 answer
72 views

When I try to debug using Arduino IDE for stm32 using stm32duino nucleo F767ZI throws error

3 votes
1 answer
290 views

Arduino Nano IoT 33 Char Array size constraints

4 votes
1 answer
283 views

Arduino IDE formatting quirk with nested lists

2 votes
1 answer
227 views

Need help with programing the LCD for my project

1 vote
3 answers
2k views

Lora SX1278 stops receiving after a short time


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