X1201 Hardware

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Dimensions source file (DXF): File:X1201.dxf - You can view it with Autodesk Viewer online

Interface Schematic

X1201-V1.1-IMG-7267-Interface.jpg

X1201-Hardware-2.png


Raspberry Pi GPIO used

PIN# GPIO Functions
3 GPIO2 I2C-SDA, battery fuel-gauge systems -reading battery voltage and percentage
5 GPIO3 I2C-SCL, battery fuel-gauge systems -reading battery voltage and percentage
31 GPIO6 AC power loss & power adapter failture detection, Low-power supply failed, High-power supply OK
36 GPIO16 Control battery charging, High-charging disabled, Low-charging enabled

Battery voltage level indicators

Battery voltage range (V) D1 D2 D3 D4 Remark
3.87-4.2 ON ON ON ON discharging levels of 100%
3.7-3.87 ON ON ON OFF discharging levels of 75%
3.55-3.7 ON ON OFF OFF discharging levels of 50%
3.4-3.55 ON OFF OFF OFF discharging levels of 25%
Below 3.4 OFF OFF OFF OFF low battery

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