### 2A Boost Module with USB Overview
1. **Functionality**: A DC-DC boost converter that steps up the input voltage to a higher output voltage, typically used to power USB devices from lower voltage sources.
2. **Output Current**: Capable of providing up to 2A current, suitable for charging and powering various USB devices.
3. **Design**: Includes a USB output port for easy connection to USB-powered devices, and often features adjustable output voltage settings.
### Typical Uses:
– **Portable Power Supply**: Converts battery voltage (e.g., from a single-cell lithium battery) to 5V for USB-powered devices.
– **DIY Projects**: Powers microcontrollers, sensors, and other electronics that require stable 5V USB power from lower voltage sources.
– **Emergency Chargers**: Used in DIY power banks and emergency chargers to step up battery voltage for charging smartphones and other USB devices.
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