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低频闪光遥控器宋胤枭本遥控器用普通照明手电简作为发射器。采用超低频闪光遥控方式，避免自然及杂光的干扰，工作可靠。电路原理遥控接收器电路如附图所示。当用手电简或其它光源断续照射接收器上的光敏二极管ＶＤ；时，ＶＤ；输出的电脉冲即经ＢＧＩ放大，ＦＩ整形后送...
Low-frequency flash remote control Songyin owl The remote control with ordinary lighting flashlight Jane as a transmitter. Ultra-low-frequency flash remote control method to avoid the interference of natural and stray light, reliable work. Circuit Principle Remote control receiver circuit shown in the figure. When using a flashlight or other light intermittently illuminate the photodiode on the receiver VD; when VD; output electrical pulse amplification by the BGI, FI shaping ...