/inDecentScale

ESP32-based scale that emulates a "Decent Scale" via Bluetooth Low Energy (BLE), offering features like weight measurement, autotare, timer control, and power-off sequencing

Primary LanguageC++GNU General Public License v3.0GPL-3.0

inDecentScale

ESP32-based scale that emulates a "Decent Scale" via Bluetooth Low Energy (BLE), offering features like weight measurement, autotare, timer control, and power-off sequencing

Why? For use with Apps like Beanconqueror, etc.

STATUS: Currently in Prototyping stage!

Disclaimer: this code has not been tested!

There may be (probably a lot of) bugs and errors! You have been warned.

Current Material cost estimate: <15€

Status: Most of the code has been written, though untested because I am still waiting on parts.

Design features:

  • 128x64 SSD1306 OLED screen
  • Lithium Battery powered with BMS
  • USB-C charging
  • HX711 + Load Cell
!Maybe! in the Future:
  • battery voltage reading with voltage divider with 2 equal resistors connected to GND + VBAT pins

Software Features:

  • Multi-threading with FreeRTOS
  • BLE Communication over DecentScale API
  • Fully transparent/invisible to Client e.g SmartApps

Concept Renders

These pictures are a Render of the 3D design and are subject to change. With cover With cover
Without cover Without cover
Calibration button Calibration button

BOM - Bill of Materials

Coming soon!

Dependencies

  • VScode
  • platformio taking care of libraries, environment and flashing

Additional Info

DecentScale API info:

DecentScale API

Contribution and Use

You are free to commit to this Project make PR and use the code and designs for your own projects.

Credits

Big thanks to John Buckman and the whole Decent Espresso Team for what they've done for the community. Thanks to all the contributors of Beanconqueror