1. Imitate the circuit diagram of netizens and manuals, which is the same model as the XL4015 adjustable buck module on the X treasure. 3A works stably, and heat dissipation is required above 3A.
2. Use 100k adjustable resistor to adjust the voltage. Can be changed to a multi-turn potentiometer with external wiring.
3. This module uses BUCK circuit, which has high efficiency, large current and low heat generation.
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