Newest Questions
25,033 questions
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Increase interrupt resolution on Arduino Micro
I have connected an Arduino Micro (not Pro Micro) to an Magtek swipe reader.
Data is connected to pin 3, and clock to pin 2 and swipe_detect to pin 4.
Then I use this lib to read data from the ...
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vote
1
answer
119
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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 ...
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Delphi-vel, hogy lehet? Vezérelni sorosporton arduinot [closed]
Az Arduino soros portját, hogy lehet elérni az ARDUINO IDE nélkül Win 10 ből
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1
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47
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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 ...
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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 ...
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answers
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Clutch pull ring to disengage gear motor [closed]
How to disengage a gear motor for manually turning a valve using clutch pull ring?
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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 ...
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33
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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?
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1
answer
72
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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 ...
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52
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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:
#...
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79
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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 ...
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35
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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
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73
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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
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52
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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 ...
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1
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63
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Arduino Nano ESP32 control WS2815 led strip [closed]
I’m trying to get a WS2815 LED strip working with an Arduino Nano ESP32, but I can’t get it to light up.
The strange thing is that with an Arduino UNO, using the exact same circuit and sketch, ...
