Difference between revisions of "X1200 Hardware"
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| Below 3.4 || OFF || OFF || OFF || OFF || low battery | | Below 3.4 || OFF || OFF || OFF || OFF || low battery | ||
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+ | Return to [[X1200]] | ||
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+ | <!--Add review function! --> | ||
+ | <comments /> | ||
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+ | <!--Please choose the --> | ||
+ | <!--Remove other categories, just keep the appropriate categories --> | ||
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+ | [[Category:Raspberry pi]] | ||
+ | [[Category:Knowledge]] |
Latest revision as of 12:04, 3 April 2024
Interface Schematic
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 |
Return to X1200
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