#zeglarstwo #esp32
Here is a list of Displays and Instruments I implemented for it:
Autopilot / PyPilot Remote Control Screen
IMU (compass and attitude)
Engine RPM, oil temp display
Batteries Status, etc Display
Wind Display (Ground/(True?)/Apparent)
Drift and set, speed through water (knot meter)
Depth Display
Victron Data Display
Rudder Position, Rate of Turn Display
Heel (Clinometer) and Pitch
GPS Location, speed, heading (true/mag)
Compass Display (True/Magnetic), Magnetic Variation for the location
Clock Display
Trip data display, VMG ()
Local Sunset/Sunrise
Tanks levels display
Boat Design parameters
Smart Discovery of available services using mDNS and other ways
Brightness, screen orientation settings
WiFi set up, password on screen keyboard
Data providers IP addresses editors
Connections statuses
Reboot, reset, power off 
The code is here:
https://github.com/bareboat-necessities/bbn-m5stack-tough