Pre-Lecture Activities
Week 9
Watch before class this week
- Bluetooth
- Lithium Ion Batteries
Bring to class all this week
- Photon 2, breadboard, resistors, push buttons, LEDs, RGB LEDS, wires potentiometer
- Lithium ion battery
- You can see what parts look like visually by checking out the kit page
Install before class all week
- Install Bluetooth apps on your phone
Build before class all week
The goal is to build a rotating fan. Here is the circuit wiring, and photos are below

Wiring for Motor Controller
| Motor Controller | Photon 2 | DC Motor |
|---|---|---|
| PWMA | A5 | - |
| AI2 | D4 | - |
| AI1 | D3 | - |
| AO1 | - | Motor wire (either) |
| AO2 | - | Motor wire (either) |
| VCC | 3v3 | - |
| GND | GND | - |
| VM | 3v3 | - |
| STBY | 3v3 | - |
Wiring for Potentiometer
- 3.3v
A0- GND
Wiring for Servo
- The wiring colors vary with different servos so look carefully at your documentation
- Many servos will require 5V not 3.3V so use
VUSB

Photos


