EUC-Dash

2021-08-24 Rewrite of EUC-Dash-ESP32 -- aim is to support multiple ESP32 platforms Open Smart Watch is currently being worked on. Support planned for:

• Open Smart Watch
• TTGO t-watch
• TTGO T4

At the moment only the Dashboard and automatic BLE connection to KingSong wheels work.

Features

Reads BLE notifications from the electric unicycle and display data on the ESP32 display

• Reads KS BLE notifications
• Full dashboard
• Clock display
• Placeholder for settings display
• rudimentary button support

Data read and decoded

• Current speed
• Voltage
• Current
• Total Distance traveled
• Distance traveled since power on
• Time since power on
• Power
• Battery percentage remaining
• Speed alarm settings
• Tiltback (Max speed) setting
• Max speed since power on
• Cooling fan status
• Ride mode setting
• EUC temperature

Data displayed on dashboards

• Current speed
• Max speed
• Wheel battery level
• Wheel max battery
• Wheel min battery
• Current
• Max current
• Max regen breaking current
• Temperature
• Max temperature
• Trip meter

Supported Wheel Models

Only supports Kingsong wheels at the moment. it autodetects the following models:

• KS14M/D/S
• KS16/KS16/S/X/XS
• KS18L/XL
• KS-S18

Gotway support is being actively worked on.

Screenshots

Dependencies

Required libraries:

Libraries are downloaded automatically by PlatformIO when compiling for the first time.

• bodmer/TFT_eSPI@^2.3.59
• lvgl/lvgl @ ^7.11.0
• bblanchon/ArduinoJson @ ^6.17.3
• adafruit/RTClib @ ^1.12.5
• evert-arias/EasyButton @ ^2.0.1

Bugs and issues

• First draft, most functions to be ported/rewritten

Todo

• Settings menu
  • Time setup
  • BLE setup
  • Display setup (Backlight, timeout)
  • Wheel lights setup
  • Wheel scan and storage
  • Wheel pedal tilt
  • Wheel speed warnings
• Trip and info screens
• Accelerometer wakeup and tap gestures
• button functions while riding (lights, horn)
• Gotway support
• Inmotion support
• Veteran support

Building the project

Requires PlatformIO and driver for the USB chip for the chosen platform. First build it will complain about lv_conf.h. Just copy the lv_conf.h in /include to .pio/libdeps/env-name/lvgl where env-name is the environment(s) specified as default_envs in platformio.ini (default is only OSW)

Connecting to the wheel

it should connect automatically when it finds a compatible wheel. However there is currently no function implemented to make it possible to choose what wheel it will connect to of there are more than one compatible wheel in range, it will simply connect to the first one it finds.