Circuit Diagram

The circuit for the necklace will be done just as the wiring for the "Test OLED Display", except the JST battery extension cable will be added with its male end removed.

OLED -> Pro Trinket

  • Gnd -> G
  • Vin -> 5V
  • Data -> Digital 9
  • Clk -> Digital 10
  • D/C -> Digital 11
  • Rst -> Digital 13
  • CS -> Digital 12

JST Battery Cable -> Pro Trinket

  • Black wire -> G (solder it with the other OLED wire)
  • Red wire -> BATT
No caffeine and make sure you read the "Solder Circuit" section first!
This guide was first published on Feb 18, 2015. It was last updated on Feb 18, 2015. This page (Circuit Diagram) was last updated on Mar 25, 2020.