Solar BOM

Development board of choice

A printed circuit board (PCB) that includes a microcontroller or microprocessor, along with necessary components and interfaces for prototyping and development.

12 V 10 W solar panel18650 Cell

A rechargeable lithium-ion battery cell commonly used in portable electronics and electric vehicles.

1×18650 holder w/ wiresWaveshare Solar Power Manager

The Waveshare Solar Power Manager handles Li-ion charging, status LEDs, and step-down rails.

EnclosureCablesCrimperMultimeterSoldering Iron

Notes: Waveshare limits charging current. Don’t parallel raw cells without a proper battery management/pack. Add fuses on both PV and battery if deploying.