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Track108 & Spy109 - Two small transmitters for different purposes


This is a quite small project and it functions at the same principles as my main work - 36HC108. Even here is the definition vague. A transmitter should have some sort of transistor, at least in the last stage before the antenna, but here we only got the output from a HC logic circuit - as an end-stage, and to this - some kind of antenna of course.

The picture shows Spy109, built to be used outdoor:



SPY109





If you want to look closer on this thing you can download it here:

In the zip-file can you find everything required to implement it (manuals, diagrams and PCB-files)
- except to realizing it.


Track&Spy#A-1