SunFounder Pironman
– Battery: Displays the battery’s percentage, charging status, voltage, current, and power.
∗ When an external USB power source is plugged in, the battery is in charging mode, showing its voltage,
charging current, and power.
∗ When the external USB is not plugged in, the current and power are negative, indicating the battery’s
output current and power.
82 Chapter 7. Home Assistant(Pi 4)
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