Top new questions this week:
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I am using the DS3231 RTC connected to an Arduino UNO R3 for a project. I won’t go into detail, but I need to save power, therefore I am using the DS3231 Alarm Interrupt to wake the Arduino from ...
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I thought of the idea of using the WS2312B LED strip to drive a custom 7-Segment display. The project will require a large number of these displays, and driving them with a single Arduino (I'm ...
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I've put together this script that should allow my Arduino Mega to be show thermocouple readings on the serial monitor, whilst also showing readings of voltage and ohms across a given component. I'd ...
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Coming from JS, I find it very difficult to program Arduino in C++ (not even knowing which version or what features are supported), being bound to the loop and delay, not being able to (easily) use ...
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This modify code (original:https://github.com/SeeedDocument/wiki_english/blob/master/docs/Grove-5-Way_Switch.md) shows which position of 6-position DIP switch are On and OFF. How can I get only the ON ...
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I'd like my ESP8266 to provide some JSON endpoints. I want to use ArduinoJson for serialisation. While this works in general if I serialize into a String and return this String afterwards, I was ...
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Greatest hits from previous weeks:
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I am attempting to connect and use an ESP8266 board with my Arduino nano v3.0 and I am not have much luck.
I have read a bunch of tutorials and articles, the most recent is ...
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I have found code that can blink an LED on Arduino according to Heart Beat. I am using AD8232 as a sensor for Heart Rate.
Code for it is:
// Variables
int PulseSensorPurplePin = 0; // Pulse Sensor ...
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I need to operate 2 different sensors (gas and temp) simultaneously.
I have managed to run each one of them separately and I don't know how to manipulate the code so they could work together. My ...
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For some weird reason, the following code doesn't compile. I get a "stray '\302' in program" error around volatile unsigned int encoderPos = 0;, and I have no idea what the issue is. I've been trying ...
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I have code for an ultrasonic sensor which I found from a site. Here is the code:
#define trigPin 12
#define echoPin 13
void setup() {
Serial.begin (9600);
pinMode(trigPin, OUTPUT);
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I'm trying to upload some code to an non-arduino nano with the CH340G chip, and the avrdude refuses to let me upload. The error I'm getting is:
Using Port : COM4
Using Programmer ...
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I'm a medium user in Arduino. I baught a pHmeter controller with RS485 output (MODBUS RTU protocol).
I want to get pH value read by the controller over RS485 module and Arduino.
According the ...
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