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Welcome to the CyBENCH Project Pages - 4bit RF remote
Part 1 - Theory of operation
In the beginning........
There are a number of remote control projects available on the internet.
Most of which require a good knowledge of electronics and possible the
ability and equipment to program a microcontroller of one variant or another.
My original idea was to use a handful of maplin parts to create a remote control system.
I then began to look at cost, the RF modules in particular.
In the background, I recently purchased a cheap car alarm, (details in part 7)
I intended to steal it's RF section for a few round-the house applications.
This has all the RF gubbins needed including two keyfobs and batteries.
The chipset used has four inputs and outputs for the user to play with
Addressing:The device address is selected by changing solder blobs
Each of the 8 address lines can be high, low or not connected.
Data for the chipset is also in section 7