Integrated Board Layout: The PCB combines a single-cell battery holder, side headers, controls, ports, and five display LEDs in a unified project power module Low-Power Testing: A selectable light-load mode helps maintain output for low-power electronics, while five red LEDs show remaining battery energy Package and Battery Requirements: Includes 1 power supply module; a battery is required for portable use and is not included Selectable Breadboard Power: Side headers plug into the breadboard ' s power lines, while removable selectors set 5V or 3.3V output for circuit setup Flexible Input and Output Ports: Recharge through either of two connector formats, then supply external components through USB-A or a reversible USB output
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