Circuit Diagram

Wired Connections

The circuit diagram above shows how the components will be wired together. This won't be 100% exact in the actual circuit but it's a very close approximation. 

  • SW from JST Breakout to Positive on Adafruit Audio FX
  • GND from JST Breakout to GND on Adafruit Audio FX
  • Pin 0 from Adafruit Audio FX to Pushbutton
  • G from Adafruit Audio FX to Pushbutton
  • VIN from Adafruit Audio FX to VIN on Audio Amplifier
  • GND from Adafruit Audio FX to GND on Audio Amplifier
  • L from Adafruit Audio FX to A+ on Audio Amplifier
  • GND from Adafruit Audio FX to A– on Audio Amplifier
  • GND from Speaker to GND on Audio Out of Audio Amplifier
  • Positive from Speaker to Positive on Auio Out of Audio Amplifier

Battery Power

The circuit will be powered by a 3.7V 2200mAh Lithium ion cylindrical battery via JST connection. The battery plugs directly into the Switched JST-PH 2-pin breakout board.

We didnt include a battery charger on-board, so to recharge the battery, disconnect it and use a Micro Lipo charger with your computer or USB wall chager

Adafruit Micro Lipo - USB LiIon/LiPoly charger

PRODUCT ID: 1304
Oh so adorable, this is the tiniest little lipo charger, so handy you can keep it any project box! Its also easy to use. Simply plug in the gold plated contacts into any USB port and a...
OUT OF STOCK

Adafruit Micro-Lipo Charger for LiPo/LiIon Batt w/MicroUSB Jack

PRODUCT ID: 1904
Oh so handy, this little lipo charger is so small and easy to use you can keep it on your desk or mount it easily into any project! Simply plug it via any MicroUSB cable into a USB...
$6.95
IN STOCK
This guide was first published on Oct 17, 2016. It was last updated on Oct 17, 2016. This page (Circuit Diagram) was last updated on Oct 10, 2019.