I've been side tracked by my Buick, but have finished up adding nine 0-5v analogue (ADCs) inputs to the TinyIOx and tested them out this morning. I'll use six of these inputs to monitor/datalog main line oil pressure, lash adjuster oil pressure, coolant and fuel pressure, fuel pump amp draw and alternator amp output.
I now will add the relay and PWM outputs. These will control the electric water pump speed, maybe the radiator fan speed and possibly front wheel speed input.
https://www.youtube.com/shorts/byR6bkLCXho
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"How I learned to stop worrying and love the OHC Pontiac L6"
The Silver Buick- '77 Skylark coupe w/455, SPX, MegaSquirt 3 & TKO-600 (Drag Week 2011, 2012 & 2015!)
1969 Firebird with a turbo'd Pontiac L6 controlled by a MegaSquirt 3 and backed with a microsquirt controlled 4L60e and 4.56 gears! (Drag Week 2018!)