Trending questions
25,033 questions
1
vote
1
answer
119
views
Software serial and RS485
I have 2 Arduino Nano that will communicate in half duplex mode with transceiver using MAX485. But the master has libraries like Wire.h, uses tone() and also receives UART communication.
I'm a ...
0
votes
1
answer
47
views
Use of 3 synchronized PWM pins on Arduino Nano
I try to use three PWM pins on an Arduino Nano, each with 10kHz. I know that there are timer0, timer1 and timer3 but I wonder if I can combine them while ensuring all three PWM pins to be in sync and ...
0
votes
0
answers
21
views
Delphi-vel, hogy lehet? Vezérelni sorosporton arduinot [closed]
Az Arduino soros portját, hogy lehet elérni az ARDUINO IDE nélkül Win 10 ből
0
votes
0
answers
45
views
PIR sensor gives high voltage [closed]
I wanted to test my new PIR sensor but it always shows the LED high voltage. Please tell me what to do?
code:
const int pirPin = 2; // пин pir датчика
const int ledPin = 13; // пин диода или ...
0
votes
1
answer
79
views
ESP32C6 + PN532 NFC Reader (HW-147C) SPI Communication Not Working - "Didn't find PN53x board" [closed]
I'm trying to get an NFC reader (PN532 module, HW-147C model) working with my ESP32C6 using SPI. I tried using multiple libraries (seeed-studio, Adafruit, and some on github, but nothing worked).
This ...
-3
votes
0
answers
21
views
Clutch pull ring to disengage gear motor [closed]
How to disengage a gear motor for manually turning a valve using clutch pull ring?
-2
votes
1
answer
72
views
NEMA 17 with A4988 Runs Smoothly During Code Upload but Moves Erratically Afterward [closed]
Problem Description:
I'm controlling two NEMA 17 stepper motors with A4988 drivers and an Arduino Uno. I'm experiencing a peculiar issue where one motor runs perfectly smooth during code upload but ...
-2
votes
0
answers
37
views
Best Arduino Components/Sensors that is best for counting and classifying small object such as grains [closed]
I am about to conduct my thesis study entitled "Design and Development of an Arduino-Based Automated Milled Rice Counter and Classifier" in which we are about to count and classify these ...
-2
votes
0
answers
33
views
Controlling a gear motor turn a valve handle [closed]
How to make the gear motor to turn only from 0 degrees to 90 degrees and back to 0 degrees?
0
votes
1
answer
73
views
ESP32 LEDC "hpoint" - Parameter
When using the ESP-IDF, there are the LEDC-drivers. Basically, you initialize a timer and a channel, so a matching PWM for your LED is the result.
ledc_channel_config_t.hpoint
...
0
votes
1
answer
52
views
I2C arduino to jetson TimoutError
I am working with I2C for the first time and having an issue with a very simple problem.
I want to send 2 bytes from an Arduino and nvidia jetson orin.
On the Arduino, my code looks like this:
#...
2
votes
2
answers
149
views
Receiving incorrect Data through CANbus MCP2515, Nano to Nano - Data points 3, 5, and 7 only go to 7 bits instead of 8?
We are trying to get two Nanos to communicate via CANbus, using MCP2515 shields. I have decided to use the autowp/arduino-mcp2515 CAN interface library for the code. I've based my code off their ...
0
votes
1
answer
35
views
Which USB driver to choose for Digispark ATtiny 85 board connected to a Windows 11 PC?
I'd like to know which driver to use on a Windows 11 PC for a Digispark ATtiny 85, micronucleus bootloader: winusb, libusbK, libusb_win32 ? Thanks
1
vote
0
answers
57
views
Issue reading sensor values with CD74HC4067 16 Channel Mux
I'm running to an issue when measuring my sensor outputs. Previously I've connected my sensors directly to Nano analog pins and measured fine, but I want to use more sensors so trying a mux. Any help ...
0
votes
0
answers
52
views
Trouble connecting Uno + ESP8266 to Wifi
I am trying to build a simple project to get data from a web server and display it, using an Arduino Uno R3 clone with integrated ESP8266 wifi.
What I have so far:
The ESP8266 attempts to connect to ...