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South Georgia | Just sketching out some thoughts, because you gotta start somewhere. Forgive my drawing and writing abilities. I know it's bad.
We need connections for 3 sensors to connect to the Arduino, so they can go to A0, A1, and A2.
We need to control 4 boom functions, L Up, L Down, R Up, R Down, so those are on 2, 3, 4, 5. These will control 5VDC relays to actuate the hydraulic soleniods.
We need to read 4 switch functions, L Up, L Down, R Up, R Down, so those are on 10, 11, 12, 13. Disclaimer: this is the way I'm envisioning this, in order to fit my specific use case, using the factory installed buttons in my sprayer. For folks needing something different, we'll have to figure that out. But this is what works with what I've been thinking.
We need an engage switch, so let's put that on 8.
Does anybody see a problem with any of these pin assignments? I didn't put anything on 0 or 1, in case we decided that we needed serial communications.
Adrian
Edit: Realized that it will also need an LCD display. That will be connected to A4 and A5, I think.
Edited by Adrian 6/13/2019 20:59
 (IMG_20190613_212545306.jpg)
Attachments
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 031-using-multiple-ultrasonic-sensors.htm (137KB - 345 downloads)
SCXL-MaxSonar-WR_Datasheet.pdf (1737KB - 542 downloads)
IMG_20190613_212545306.jpg (137KB - 302 downloads)
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DIY auto boom height control
