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19 questions from the last 30 days
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0 votes
1 answer
513 views

I’m exploring ultra–low-power sensing designs where the Arduino should remain in deep sleep until a specific analog voltage threshold is reached — for example, when a sensor output rises above 1.2 V. ...
Luigi's user avatar
  • 181
2 votes
2 answers
149 views

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 ...
B_Seibel's user avatar
  • 21
1 vote
1 answer
119 views

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 ...
steve d.'s user avatar
  • 113
0 votes
1 answer
79 views

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 ...
Jackson Zir's user avatar
  • 9
0 votes
1 answer
73 views

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 ...
St0fF's user avatar
  • 121
-2 votes
1 answer
72 views

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 ...
Sanchit Batra's user avatar
  • 1
0 votes
1 answer
63 views

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, ...
TonnoSupremo's user avatar
  • 1
0 votes
0 answers
52 views

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 ...
Robb's user avatar
  • 1
1 vote
1 answer
69 views

So I am working on an Arduino project and have trouble communicating over UART. I have a SIM7600G-H 4G Module from Waveshare and hooked it up to an Arduino Nano ESP32. The connections are as follows: ...
Bjarne Voigtländer's user avatar
  • 11
0 votes
1 answer
47 views

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 ...
Jana's user avatar
  • 1
1 vote
0 answers
57 views

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 ...
JamesG's user avatar
  • 11
0 votes
1 answer
52 views

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: #...
Bobipuegi's user avatar
  • 101
-2 votes
0 answers
37 views

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 ...
Gerald Peñaflor's user avatar
  • 1
0 votes
1 answer
35 views

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
Philippe's user avatar
  • 3
0 votes
0 answers
45 views

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 ...
Яна Анфалова's user avatar
  • 1

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