Making your own infrared (IR) sniffer is not only rewarding but also amazingly simple ... See the block diagram of TSOP1838 below: So far, the setup is already able to sniff IR data packets. But a ...

This design performs quadrature decoding with commonly available components, and it comes in handy when you need to use a quadrature encoder in the lab or in a simple product. This design uses a ...

They are compared using a simple look-up table rather than the state machines ... I have to thank one author of a rotary encoder decoder (Ben Buxton). While his code seemed overly complex to my ...