说明：  以BISS0001和单片机组成的红外传感控制电路。其特点是在有人时且外界光强较弱时能自动开灯，无人时关灯，节约能源；且能纠正坐姿，防止近视。
(BISS0001 and single-chip components to the infrared sensor control circuit. Its characteristics are in when it was light outside and automatically turn on the lights when the weak, when no one' s lights are turned off to conserve energy can correct posture and prevent myopia.)