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Edrtech/battiny-guard-pmg001
Made by Erik_EDrTech / Automotive / Bikes / Communication / Displays / Environmental Sensing
About the project
Power management module
Project info
Difficulty: Moderate
Estimated time: 1 day
License: CERN Open Hardware Licence version 1.2 or later (CERN-OHL1.2+)
Items used in this project
Story
After over 10 years of designing and manufacturing hardware and working on numerous projects with Li-Po batteries, I grew tired of repeatedly redrawing and reconnecting the same components and wires. Unable to find an all-in-one solution on the market, I decided to create a module to simplify my own projects.The module is completely open-source, and all schematics, default code, and a detailed datasheet are available on GitHub for anyone who might find it useful:
https://github.com/EDrTech/bATtiny-Guard-PMG001
It includes a development board packed with features
- 32-pin, 22.22 mm x 16.51 mm (0.87 x 0.65 in) package
- On/off behavior control
- 2A single-cell charger
- Single Li-Po cell-powered
- 4+16 ADC channels
- Battery current measurement
- Brown-out detection/reset circuit
- Low on-resistance battery output MOSFET
- On-module temperature measurement
- I2C interface (connect to the integrated microcontroller or separate devices)
- Arduino-compatible
I’m also working on a series of boards and modules to address other common hardware development challenges, aiming to build an ecosystem for faster, more precise prototyping.If you have suggestions for features or improvements, especially for the code, I’d love your feedback.I’ll be launching this soon on CrowdSupply. If you’d like to support the project, please consider subscribing to support this project!
Schematics, diagrams and documents
CAD, enclosures and custom parts
Code
Credits
Erik_EDrTech
Developing hardware and various modules and boards that help with hardware development.
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