Lithium battery buck-boost method

مدونة /

1. Lithium battery buck-boost test First, let the lithium battery drop to 3.3V through the step-down chip, then power the microcontroller and the Bluetooth module, and plan to raise it to 7V to carry a load. Result: The Bluetooth module does not work and cannot be searched. Remove the Bluetooth, the MCU and the load work normally. […]

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