Description
What it is
The GY-ML8511 UVB Sensor is an Arduino module breakout that allows measuring the intensity of UVB rays.
Features
- UVB Sensor GY-ML8511
- Compatible with Arduino
- SKU: ARD009431
- Price: 8.85 €
What it is for
The module can be used in applications requiring UVB exposure measurement, such as environmental monitoring, security systems, or excessive sun exposure warnings. Compatibility with Arduino allows integrating the sensor into automation and control projects.
Tutorial: How to use GY-ML8511
The GY-ML8511 is a UVB sensor for measuring the amount of UVB rays in your applications. Useful for environmental monitoring or security projects.
What you need
- GY-ML8511
- Arduino
- Pull-up Resistor (10kΩ)
- Connection Cable
- Arduino Microcontroller
Steps
- 1. Connect the pull-up resistor (10kΩ) between VCC and GND of the sensor.
- 2. Connect VCC of the sensor to 5V of Arduino.
- 3. Connect the GND of the sensor to the GND of the Arduino.
- 4. Connect the SDA pin of the sensor to the A4 pin of the Arduino.
- 5. Connect the SCL pin of the sensor to the A5 pin of the Arduino.
- 6. Upload the following code to your Arduino.
- 7. Check the sensor readings.
- 8. Refer to the datasheet for further details.
Example code
```cpp
#include <Wire.h>
#include <ML8511.h>
ML8511 ml8511;
void setup() {
Wire.begin();
Serial.begin(9600);
}
void loop() {
float uvb = ml8511.getUVB();
Serial.println(uvb);
delay(1000);
}
```
Mini project
Create a UVB alert system. Connect an LED to pin 13 of the Arduino and turn the LED on/off based on the sensor readings.
Common mistakes
- Sudden disconnection of the sensor.
- Incorrect sensor readings.
- Incorrect connections.
- Incorrect power supply.
Recommended accessories
- LED
- LED resistor
- Connection wire
- Power supply
Frequently asked questions
Is the sensor not working?
Check connections and power supply voltage. Refer to the datasheet for further details.
What are the voltage limits?
Check the datasheet for the sensor voltage limits.
Does the sensor work with Arduino UNO?
Yes, the sensor works with Arduino UNO.





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