Hottest Questions This Month

2 votes

2 answers

538 views

Arduino Uno Serial.write() how many bits are actually transmitted at once by UART and effect of baudrate on other interrupts

dda

1,588

modified 10 hours ago

0 votes

1 answer

324 views

Why HTTPS requests are working with dynamic IP address, and not with static IP address

Ferrybig

129

answered Aug 22 at 11:53

0 votes

2 answers

54 views

Can the ATTiny88 be programmed via I2C from a Raspberry Pi?

Chris

44

answered 17 hours ago

0 votes

0 answers

100 views

SD Card Writer Attached to ATmega328P Not Working Despite Success Using Arduino Uno

Jack Newport

1

modified Aug 23 at 12:39

0 votes

0 answers

98 views

I am stumped by this failure of a TM1637 Display and tone on an ATTiny 88

LesRhorer

63

modified Aug 22 at 13:46

0 votes

0 answers

97 views

ATTiny85 has 8kB memory, Arduino compiler says sketch space is 2kB. Why?

John Smithingstonford

11

Sep 11 at 17:23

0 votes

2 answers

46 views

I need help with code with two IR sensors using ATMega16

liaifat85

70

modified Aug 25 at 15:12

0 votes

1 answer

57 views

How to logging Preferences library

Gil Sven

77

modified Aug 30 at 18:30

0 votes

1 answer

44 views

WiFi credentials pulled from an SD card fail, but work hard-coded?

radioloko

21

answered Sep 7 at 18:25

0 votes

1 answer

52 views

Does changing the prescale for Timer 0 or Timer 2 affect the micros() function?

Gil Sven

77

modified Sep 11 at 21:22

0 votes

2 answers

65 views

ESP32 Partition size and maximum program size #2

Rob

1

modified Sep 1 at 13:24

-1 votes

1 answer

46 views

How Do I Power An Arduino Nano Every?

Nick Gammon♦

38.6k

answered Sep 3 at 7:03

0 votes

0 answers

59 views

The control function is not sending out correct values

DETOX

1

modified Aug 18 at 18:46

-1 votes

0 answers

59 views

how to use delay but not blocking other program

Gil Sven

77

modified Aug 28 at 23:00

-1 votes

0 answers

56 views

Can I do active low for my Arduino TX output [closed]

the busybee

2,102

modified Aug 28 at 14:32

0 votes

2 answers

56 views

I need two (25 and 30 kHz) pwm output on a nano

ted thomas

1

answered Sep 13 at 14:23

-2 votes

0 answers

54 views

Why is Arduino compiler saying this? [closed]

jsotola

1,515

modified Sep 10 at 20:24

0 votes

0 answers

50 views

Intermittent read failure when merging binary files on ESP32-S3 using SdFat library

Devloper

1

asked Sep 8 at 8:51

0 votes

3 answers

48 views

How can I improve the power supply for my Arduino-based sensor system?

Gil Sven

77

modified 13 hours ago

-1 votes

0 answers

46 views

Show a black screen

the busybee

2,102

modified yesterday

0 votes

2 answers

45 views

Can't retrieve IoT data with Arduino Ethernet shield

liaifat85

70

answered 20 hours ago

1 vote

0 answers

45 views

Strange UDP problems

jsotola

1,515

modified Aug 30 at 16:26

-2 votes

0 answers

44 views

HCSR04 Ultrasonic Ranger, LED Lights, & "If else" code [closed]

hcheung

1,461

modified Aug 30 at 4:56

0 votes

1 answer

34 views

No DFU capable USB device available

person595

17

answered Aug 26 at 21:34

-1 votes

0 answers

42 views

16*2 LCD display not working properly only one row shows black boxes

the busybee

2,102

modified Aug 27 at 6:05

0 votes

1 answer

41 views

Arduino Nano max current from 5v pin if using 5v 1A wall adapter

st2000

7,435

modified Sep 13 at 13:21

-2 votes

0 answers

40 views

Adding a vector from C++ (dynamic array) to Arduino 2.3.2 if there is memory in the microcontroller? [closed]

Nikolai Vorobiev

1

modified Sep 8 at 13:46

0 votes

1 answer

39 views

Connect a 3-pin 5V DC fan to a Grove - 16 Channel PWM Driver

chrisl

16.5k

answered Aug 24 at 9:51

0 votes

0 answers

37 views

How do I enable CONFIG_SPIRAM_SUPPORT for ESP32 S3 on Arduino?

Dakkaron

229

asked Aug 29 at 14:43

0 votes

1 answer

36 views

atmega32u4 connect PC

the busybee

2,102

modified Aug 29 at 7:29

0 votes

1 answer

36 views

Urgent help/advice needed for a fish autofeeding device using NodeMCU

liaifat85

70

answered Sep 4 at 15:43

-2 votes

0 answers

36 views

Using NodeMCU as a programmer [closed]

Deep Shankar Halder

1

modified yesterday

0 votes

1 answer

28 views

Send 07 C6 04 08 00 8A 08 FE 95 to Serial Port

jsotola

1,515

modified Aug 21 at 23:51

0 votes

1 answer

46 views

Arduino and custom pcb

Edgar Bonet

43.9k

answered Sep 3 at 11:36

0 votes

1 answer

27 views

Does an ISR pause PWM?

Edgar Bonet

43.9k

answered Aug 28 at 9:18

-2 votes

0 answers

33 views

PCB design verification

Gil Sven

77

modified Sep 4 at 20:47

-1 votes

0 answers

31 views

Why i cant power up my esp using the 5 volt from the step up converter?

Damiano Miazzi

149

asked Aug 26 at 6:49

-1 votes

1 answer

39 views

Arduino R3 hangs Raspberry Pi 3B+ when plugging into USB ports, with multiple sensors on board (Node Red) ,Temp Humidity, volts, shunt [closed]

Duncan Burt

1

answered Sep 2 at 19:25

0 votes

0 answers

29 views

Trying to send a JSON-formatted HTTPS POST request from ESP32 results in Code 400

andrew g

1

modified Sep 3 at 21:00

0 votes

1 answer

36 views

How safe is powering an Arduino Mega board with USB power bank? [closed]

itzmetanjim

1

answered Sep 11 at 16:35

-1 votes

0 answers

28 views

Trying to Use both SPI 's on my STM32 Blue Pill neither one works

timemage

5,364

modified Aug 28 at 0:08

0 votes

1 answer

28 views

How do I install Firmata so I can access it through the IDE on a computer that doesn't have internet access?

jsotola

1,515

modified Aug 19 at 16:34

-1 votes

0 answers

28 views

characters on the LCD 1602 I2C display are doubled

hcheung

1,461

modified Aug 26 at 13:49

-2 votes

0 answers

26 views

Arduino coin counter with coin hopper [closed]

dda

1,588

modified yesterday

-2 votes

0 answers

24 views

How can I detect faces using an esp32 cam module and control a relay? [closed]

dda

1,588

modified Sep 9 at 1:51

0 votes

0 answers

24 views

Can you share a variable from .ino/.main to a header? [duplicate]

AJ_Smoothie

494

asked Aug 23 at 18:14

0 votes

0 answers

24 views

nRF52840 build fails because of bad Python encoding (Arduino C code)

nico

249

asked Aug 20 at 10:08

0 votes

1 answer

23 views

Can't upload in Platformio and board is suddenly not detected in STM32CubeProgrammer

liaifat85

70

answered Sep 4 at 15:36

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