Microcontroller Boards
Power Management
Test Equipment

Open UpCell

An open source, USB Type C PD, single-cell BMS for Lithium-ion batteries

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Open UpCell is a USB Type-C PD single cell lithium-ion battery management system with either 5 v or 3.3 v outputs, up to 14 v input, and an i2c interface for battery and charge status monitoring. You can check battery fuel gauge, charge status, charge voltage selection, charge current selection, and more via the provided Arduino IDE and PlatformIO SDKs. Output and i2c voltage is selectable between 3.3 v and 5 v, and the board comes with Seeed Groove (JST-PH) and Stemma QT (JST-XH) 4 pin connectors to enable plug and play operation with pre-existing projects. Open UpCell is also capable of being a simple, rudimentary inverter for a project, with an up to 15 W output (5 v, 3 A) - enough to power a Raspberry Pi Board or small router.

Open UpCell enables rapid prototyping of battery dependent projects while keeping things simple from setup to charging. It can be used to power existing Seeed Grove module chains and Adafruit Stemma QT module chains. It can also keep your projects powered and usable off grid, perfect for some IoT and Edge projects, like an IoT soil sensor cluster or a simple PIR motion detector. And, at just a few mm larger than a standard 18650 battery, this useful system is small enough to be concealed in a DIY wearable project.

Features & Specifications

Open Source

Schematics, ECAD, Gerber files and BOM can be found in our Github repo.

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About the Team

Sikra

Pune, India  ·  sikra.io

Sikra is an open-source consumer devices company.

Ishan Daga

IshanDaga

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