There are a lot of connections that need to be made.  Using a combination of solid core wire and stranded wire is the easiest way to get everything packed into as small a footprint as possible.  

Color coding is your friend here!  Keep your power wires all red and ground wires all black, and use a variety of colors for the other connections so you don't get confused.  Write down the colors you used and the corresponding pins they connect with so you have a quick reference you can use while soldering.

 

Teensy 3.1

OLED

Backpack Charger

Vin

+

BAT

G

G

G

USB

5V

7

DC

8

Reset

9

OC

11

SI

13

CL

16

Resistor + Photo Cell

3.3V

Resistor

G

Photo Cell

This guide was first published on Oct 19, 2017. It was last updated on Oct 19, 2017.

This page (Wiring Diagram) was last updated on May 05, 2021.

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