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update: improve documentation and restructure code for modular hardware integration, add CAN communication to HAL, and update KiCad layouts

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Empire
2026-01-23 22:02:14 +01:00
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commit 0c0b62e2ed
18 changed files with 486 additions and 219 deletions
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website/content/Hardware/1737993462790-BatteryManagement/index.md
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@@ -5,11 +5,13 @@ draft: false
description: "a description"
tags: ["battery", "bq34z100"]
---
# BatteryManagment
The project contains an additional companion board, with a bq34z100 battery management ic.
# Battery Management Module
The project contains an additional companion board (Fuel Gauge), with a bq34z100 battery management IC.
It allows to track the health and charge for an external battery and is supposed to be soldered directly to the battery.
The main board contains a xt30 connector for power, and additionally a two pin I2C bus next/combined with it, to communicate with the BatteryManagement.
The MainBoard contains a connector for power, and additionally a two-pin I2C bus to communicate with the Battery Management module.
<!-- TODO: Add photo of the new modular Battery Management board -->
# Setup
{{< alert >}}
@@ -28,7 +30,7 @@ A protected Battery is required. There is only a very simplistic output voltage
2. Then the data/register for low voltage flash write protection should be set to 0V, as else with the voltage divider and no further configuration, the IC will refuse all write requests.
3. After this the supplied golden image can be used, it will setup the battery for 6Ah and a 4S lifepo. Different values can be adjusted after this to the users liking.
{{< alert >}}
The main board, does not care or process any of the charge discharge limits that can be set. Ensure that the battery can supply enough current as well as accept a 2A charging current from the MPPT system.
The main board, does not care or process any of the charge discharge limits that can be set. Ensure that the battery can supply enough current as well as accept a 2.4A charging current from the MPPT system.
{{< /alert >}}
The golden image sets the statups led up, to be in blinky mode. one very long interval means, that the battery is pretty much full. A few very short flashes mean that the battery is nearly empty. No light means, that the battery is in discharge protection and shut down.