Hello guys,
Together with someone else i am working on a DIY bms, with webpage interface and active balancing using a flying cell/capacitor.
It is a modular design making it possible to use it for indefinit(well almost) amount of cells in series.
Currently the webpage that is running on the ESP32 motherboard is seen at this link
https://bms.klumponline.nl/
Here you can see the finished pcb in EasyEda.
I have yet to order the first batch, but the total costs of 1 balancer will be around 15 dollars.
The specs are as following.
Up to 8 cells in series per balancer board
Isolated Comport for communication
Using a STM32 Bluepill as the brain
Measures capacity that goes in and out of each Pack, making it possible to monitor wich pack is weaker then the rest.
All settings are configurable through the webpage (Yet to be written, but its on the todo list)
Together with someone else i am working on a DIY bms, with webpage interface and active balancing using a flying cell/capacitor.
It is a modular design making it possible to use it for indefinit(well almost) amount of cells in series.
Currently the webpage that is running on the ESP32 motherboard is seen at this link
https://bms.klumponline.nl/
Here you can see the finished pcb in EasyEda.
I have yet to order the first batch, but the total costs of 1 balancer will be around 15 dollars.
The specs are as following.
Up to 8 cells in series per balancer board
Isolated Comport for communication
Using a STM32 Bluepill as the brain
Measures capacity that goes in and out of each Pack, making it possible to monitor wich pack is weaker then the rest.
All settings are configurable through the webpage (Yet to be written, but its on the todo list)