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{{GD Template Impl}}
==Interface Schematic==[[File:X1200-HardwareV1.2-1IMG-7240-Interface-NEW.jpg|700px]]
[[File:X1200-Hardware-23.jpgpng|700px]] ==Raspberry Pi GPIO used=={| class="wikitable"|-! 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=={| class="wikitable"|-! 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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