Questions tagged [arduino-uno]
The Arduino Uno is the most common of the Arduino boards. It is based on the ATmega328P microcontroller.
4 questions from the last 30 days
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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 ...
0
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0
answers
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 ...
- 1
0
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0
answers
45
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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 ...
-2
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0
answers
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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?
- 91