Subscribers to the Dutch pay-DTT platform Digitenne are being offered the opportunity to swap out their rental decoder for a CI+ plug-in module. It means that the internal receiver of the television ...
As you might have noticed, the 38-KHz pulse generator is built around the evergreen timer chip NE555P (IC1). Here, the RC components (R5-C3-P1) set the astable frequency to drive the infrared light ...
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