On a scale of 1 to 10: rate your interest in a esp32 expansion board that includes components for dropping 9, 12, 20, 30v to 3.3 for an esp32, includes terminal connectors for easy connections of leds, sensors, etc.
10-14-2022
0.00
Zero. But.
If you used good quality cage clamp terminals and added at least 8 solenoid drivers with LEDs and at least 8 24V-capable digital inputs (don't have to be optoisolated, but that would be a plus), spots for voltage-divider resistors on a couple analog inputs and it would run from 12 or 24V and cost under $50, then I might be interested.
I have an Industruino on the wall next to me and it does all that and more, but it's now running close to $200 each IIRC. It also has the advantage of being DIN-rail mountable.
Also, Automation Direct and others sell Arduino-based controllers with similar specs at around the $100 price point, but they need add-on units for all the features.
My suspicion is that your original idea would sell better as a regular Mega328-based arduino aimed at the crowd looking for a more permanent connection than breadboards.
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I also believe that it's difficult to make money selling commodity hardware these days!
1
This is one of your competitors
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