主要是以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。-Mainly BISS0001 and MCU control circuit consisting of infrared sensor. It features the time and the outside world in the light intensity was weaker automatically when the lights turn off the lights when no one, save energy　and can correct posture and prevent myopia.