PPM Tester compile errors.

pert:
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Which hardware core are you using to add support for the ATtiny85 to the Arduino IDE (e.g., ATTinyCore, damellis/attiny)?

Ah, yes....sorted. Well kind of.
Still had the board set at promini from a previous job i was working with earlier. :-[

Another error popped up relating to digispark 16.5mz.
I did notice in the video he was using a stand alone chip but no idea what this means in his notes at the top of the program

" use the ATtiny85 capable of running at 20MHz (20PU). Burn bootloader to operate on internal clock at 16 MHz"

I am currently trying to use one of the Digispark clone modules.