This Adapter Works with 3.3V - 5V Logic and Power with most of the Waveshare e-ink Displays. The Resistor and Jumper Configuration for all these modules can be found printed on the back of the board.






A small Compact E-ink / E-Paper Adapter for use with a Variety of Waveshare Modules
Hi,
How did you decide to use 0805 for the capacitors and CD43 for the inductor?