Seeed Studio Studio Grove Temperature Sensor v1.2 - NTC Thermistor Module w/ Grove Cable

The sensor provides an analog voltage output. It acts as a resistive divider, outputting a voltage between 0V and the supply voltage (Vcc) that is inversely proportional to the temperature. This analog signal must be connected to an ADC (Analog-to-Digital Converter) pin on your microcontroller, such as an Arduino, for reading and conversion into a temperature value.

Connect the module's Grove cable to any Grove Base Shield's analog port (e.g., A0). In your Arduino sketch, use the `analogRead()` function on the corresponding pin to get the raw ADC value. You must then implement the Steinhart-Hart equation or use a pre-calculated lookup table specific to the NCP18WF104F03RC thermistor to convert this reading into an accurate temperature in degrees Celsius or Fahrenheit.

This module uses an NTC (Negative Temperature Coefficient) thermistor, which provides an analog resistance change. It requires an ADC and mathematical conversion but offers a wide range and fast response. In contrast, digital sensors like the DS18B20 provide a direct, calibrated digital temperature reading over a 1-Wire bus, simplifying code but often at a higher unit cost and potentially slower read times.

Yes, it is fully compatible. The sensor operates from 3.3V to 5V. When powered by a 3.3V supply, the analog output range will be 0 to 3.3V. Ensure your microcontroller's ADC reference voltage matches the supply voltage for accurate readings. Both the ESP32 and Raspberry Pi Pico have built-in ADCs suitable for interfacing with this analog sensor module.