School of Electrical and Information Engineering;
Lanzhou University of Technology;
Qilihe District;
Lanzhou;
China;
School of Computer and Communication;
Lanzhou University of Technology;
Qilihe District;
Lanzhou;
China;
School of Electronics and Information Engineering;
Lanzhou Jiaotong University;
Lanzhou;
China;
Greenhouse; Sensors; Monitoring System; Internet of Things (IOT); Thing-Speak; Data Visualization; MQTT; Adafruit.IO; MQTT Testing;