31.1 ℃

DS18B20 temperature sensor. DS18B20温度传感器。

DS18B20-temperature.py writes data to DS18B20-temperature.txt. IoTLinkPost.sh posts data to the website.

21 ℃

DHT11 Sensor temperature module. DHT11传感器温度感应模块。

DHT11-temperature.py writes data to DHT11-temperature.txt. IoTLinkPost.sh posts data to the website.

45 %

DHT11 sensor humidity module. DHT11传感器湿度感应模块。

DHT11-humidity.py writes data to DHT11-humidity.txt. IoTLinkPost.sh posts data to the website.

0.8 M

HC-SR04 ultrasonic distance sensor. HCSR04超声波距离感应器。

HCSR04-detect-once.py writes data to HCSR04-data.txt. IoTLinkPost.sh posts data to the website.

0

MQ2 gas detection sensor. MQ2烟雾感应器。该款气体传感器是基于气敏元件的MQ2气体传感器,可以很灵敏的检测到空气中的烟雾、液化气、丁烷、丙烷、甲烷、酒精、氢气等气体。结果为0表示无气体检测到，结果为T表示有其他检测到。

MQ2-gas-detect-once.py writes data to MQ2-gas-detect-once.txt. IoTLinkPost.sh posts data to the website. The result "0" means no gas was detected, and the result "T" means gas was detected by sensor.