#temperature sensor

QuinLED-Quad

#Shared Projects

The QuinLED-Quad, version 1 revision 6 is a 4 channel ESP32 based based PWM WiFi LED dimmer which integrates natively with Home Assistant. Some of it's unique properties are that it has 4 independent channels with high current handling and PWM frequencies up to 300.000Hz making it suitable for video work.

Works with any analog LED strips or COB LEDs up to 28v and is able to drive 4 individual LED strips or 1xRGBW strip or any other configuration you wish to make. Also provides 2 broken out GPIO pins and an onboard temperature sensor.

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ESP32 Protocol buffers: Encoding a DS18B20 temperature measurement

In this tutorial we will check how to obtain a measurement from the DS18B20 temperature sensor and encode it using protocol buffers. We will be using the ESP32 and the Arduino core. The tests were performed using a DFRobot’s ESP32 module integrated in a ESP32 development board and a waterproof version of the sensor.

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How to Use DHT22 Sensor

As you can see the data pin is connected to an I/O pin of the MCU and a 5K pull up resistor is used. This data pin outputs the value of both temperature and humidity as serial data. If you are trying to interface DHT22 with Arduino Uno then there are ready made libraries for it which will give you a quick start.

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