WEMOS D1 Mini DC Power Shield V1.1.0
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It converts any DC voltage between 7V and 24V with high efficiency to the 5V supply voltage for the D1 Mini series of modules.
A 2.1mm DC barrel connector or 2-pole screw terminal takes the input voltage. The 5V output is supplied through the D1 Mini Vin pin.
Specification: WEMOS D1 Mini DC Power Shield V1.1.0