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be sure to review the datasheet of this Integration
The HC-05 Bluetooth module can connect to other modules in two ways as a master
please use this sensor only in controlled experiments
Ultraviolet (UV) Sensor (VEML6070 ) Contains an 8-bit command register that can be written via the I2C bus
the higher the TDS value
Digital Temperature Sensor Module (DS18B20) capacitor be sure to review theIntroduction : Digital Temperature Sensor DS18B20 is a one wire digital temperature sensor. This means that it just requires one data line (and GND) to communicate with the Arduino. Each DS18B20 temperature sensor has a unique 64 bit serial code. It can measure a wide range of temperature from 55C to +125 with a decent accuracy of 5C. Each sensor has a unique address and requires only one pin of the MCU to transfer data so it a very good choice for