Old puzzle solved with Arduino

This is my digital version of an old riddle. A Farmer needs to take a Fox, a chicken and a sack of grain to the market. On the way he needs to cross a river in a small boat. In the boat there is only space for the farmer and 1 object a time. Without supervision, the Fox might eat the chicken or the chicken might eat the grain. How can the farmer get all items to the market? Depending on what country you are in, the version of the story might have different characters. In Holland we know it as the riddle of the farmer, wolf, goat and cabbage. What ever characters you use, the riddle is solved in the same way.

This video is sponsored by @PCBWay They make great PCB board and offer good assembly service. Check out the website at https://www.pcbway.com/

With age, soldering is becoming harder and harder on the eyes. I good microscope for soldering is an absolute must have and I don’t have one yet. If you have an idea on a good one or you want me to try one, please contact me.

🕮 Manual:
https://github.com/donnersm/mcdonald

🕮 Software/ firmware / sketch / documentation:
https://github.com/donnersm/mcdonald/tree/main/ArduinoSketch

👨‍💻 Building instructions:
Instructables: https://www.instructables.com/Old-Mac-Donald-Had-a-Riddle/
Schematic: https://github.com/donnersm/mcdonald/blob/main/pcb/Schematic_Old%20mac%20donalds_2022-02-27.png

🛒 Buy PCB / Parts :
https://www.tindie.com/products/markdonners/old-riddles-die-hard/

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You like me work, please buy me a coffee to help me to burn the midnight oil.
https://www.buymeacoffee.com/MarkDonners

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Website: https://www.theelectronicengineer.nl
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