| 摘要 |
PURPOSE: The temperature, the humidity, and the CO2 sensor are established inside greenhouse and all sensors are connected to SNMP and the system the farmer for oneself facility management through the power line modem is offered. CONSTITUTION: A sensor(110) are with equipped in greenhouse. If the magnet sensor is on temperature, the humidity, and the carbon monoxide sensor and greenhouse door, the ON / OFF output comes in into the SNMP(120). The place where street distant to MIB through the power line modem(130) is connected to the wireless external modem(160) through the power line(140) to the farmhouse(150). |
