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ECU—1型环境控制装置适合于重度残疾人控制家用电器，不需要家人的帮助，就可以自由地开关电灯、开关电扇、看电视及呼叫等。本文详细介绍了该装置的电路原理。
The ECU-1 type environmental control device is suitable for severely disabled persons to control household appliances. Without the help of family members, they can freely switch electric lights, switch fans, watch TV and call. This article details the circuit principle of the device.