Ton Giesberts
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Infra-red controlled remote switch

Based on a Labs project | October 2011 | Find it here
Infra-red controlled remote switch
Nowadays, several manufacturers produce ICs that combine an infra-red receive LED with associate amplifier and demodulator. The Type SFH505A from Siemens, used in the present circuit, has in addition a band-pass filter to minimize any interference. It is best used in conjunction with the infra-red transmitter in the next arttele.
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