Abstract
This paper system based on GPRS and a single chip microcomputer. System is applied to facility agriculture. Work aims to realize the wireless data transmission. Using digital temperature sensors, humidity sensors and carbon dioxide concentration sensors, they could collect greenhouse related parameters data. After that, GPRS wireless module send these data to farmers' mobile phones and remote expert system. After system set up, practice has proved that farmers mobile phone can receive temperature data from ds18b20 temperature sensor and with no delay. Stored in SD card crop picture can transmit through GPRS model. In the picture size below 20 KB situation, delay is not obvious. Transmission effect is good.
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