If we are looking at the 4-pin sensor the extra pin is a NC pin, and it has no functions. The pin diagram of both the module and the sensor is shown below. DHT22 Module Pinout. The diagram below shows ...

BMP280 Sensor Module Circuit Diagram The Schematic Diagram of the BMP280 Temperature and Pressure Sensor is shown below and as you can see it's very simple to understand. The BMP280 has two separate ...

AHT10 Temperature & Humidity Sensor. ... AHT10 Sensor Module. ... (103) and a 6-pin dual N-Channel MOSFET chip. In some old modules, the MOSFET chip has a part number 702 while in many new modules ...

This module includes a NTC Thermistor - its resistance falls with higher temperature. Digital Out (DO): While measuring a temperature which is higher than the limit value, it will be shown here - you ...

This module includes a NTC Thermistor - its resistance falls with higher temperature. Digital Out (DO): While measuring a temperature which is higher than the limit value, it will be shown here - you ...