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DHT11 is a Digital output relative humidity and temperature sensor, easy to set up and to program. It only requires a pull up resistor for operation and there are plenty of librairies available to program this module with Arduino, Raspberry Pi or esp8266.
This kit includes a wind vane, cup anemometer, and tipping bucket rain gauge, with associated mounting hardware. These sensors contain no active electronics, but they use sealed magnetic reed switches and magnets to take measurements. A voltage must be supplied to each instrument to produce an output.
This is a temperature sensor, based on the TTC3A103#39H thermistor. When the temperature increase, the resistance value of the sensor decrease. The temperature value is transmitted as an analog signal, that can be read with a microcontroller.