Sail-by-wire

aim

retrofit engine (propulsion), gearbox (gear) and steering (rudder) with controller based on Sean's work https://pypilot.org/schematics/

hardware

• ESP32 fully featured Microcontroller (< EUR 10,-)
• IBT-2 BTS7960 based Double-H-Bridge (< EUR 10,-)
• sensors:
  • linear pot
    • 10k Ohm as suggested by Sean
    • off-the-shelf rudder angle sensor 0-190 Ohm
  • end switches
  • current sense:
    • BTS7960 feature
  • over temprature:
    • BTS7960 feature
• power-drive:
  • windshield wiper motor
  • hydraulic pump
  • ...