sandglass for M5StickC Plus

features

• software sanglass
• timer preset: 30s, 1m, 1m30s, 2m, 3m, 5m, 10m, 15m, 30m, 60m
• battery gauge
• auto power off
• repeat mode
• mute mode

requirements

• M5StickC Plus ( K016-P )
• Arduino IDE
• VCP Drivers
• Visual Studio Code
• Arduino for Visual Studio Code

preparation for build

0. Start Arduino IDE
1. Preferences -> Set https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json to Additional Board Manager URLs
2. Board Manager( Arduino: Board Manager command in VS Code ) -> filter esp32 -> install esp32
3. Library Manager( Arduino: Library Manager command in VS Code ) -> filter M5StickCPlus -> install M5StickCPlus

how to build & upload

0. Start VS Code
1. Run Arduino: Board Config Command from Command Palette. Select M5Stick-C (esp32) on Select Board.
2. Connect a M5StickC Plus to your PC with USB cable.
3. Run Arduino: Select Serial Port Command from Command Palette. Select a M5StickC Plus's Port.
4. Run Arduino: Upload Command from Command Palette

user interface

button

button	description
main	change timer
left side(power off)	power on
left side( < 1s)	reset to top
left side( < 4s)	reset to bottom
left side( >= 4s)	power off
right siede	change mode

battery gauge

color	description
blue	charging ( gyro off )
green	normal
yellow	low battery
red	almost empty battery

mode

mode	description
R	repeat
M	mute

timer preset

timer	color
30s	blue
1m	red
1m30s	green
2m	cyan
3m	magenta
5m	yellow
10m	orange
15m	green yellow
30m	pink
60m	white

You can edit timer preset in config.h.

License

Boost Software License