Page changer for PDF/Scores

Based on

Adafruit Feather Bluefruit M0

Bluetooth HID keyboard

https://learn.adafruit.com/adafruit-feather-m0-bluefruit-le/hidkeyboard

Circuit and hardware setup

LED Indicator

Hardware used: RGB LED (common cathode), [L1]

Wiring: http://wiring.org.co/learning/basics/rgbled.html

• attach Green pin to pin 10 through a 180ohm resistor
• attach Red pin to pin 11 through a 100ohm resistor
• attach Blue pin to pin 12 through a 100ohm resistor
• attach Cathode to GND

Previous/next switches

Hardware used: Any 2 standard SPST switches, [S1, S2]

Wiring: http://www.studentcompanion.co.za/wp-content/uploads/2015/12/Arduino_Pushbutton-cct.jpg

• attach S1's left pole to Feather's 3.3V
• attach S1's right pole to Feather's pin 5
• attach S1's right pole to GND through a 10K resistor
• attach S2's left pole to Feather's 3.3V
• attach S2's right pole to Feather's pin 6
• attach S2's right pole to GND through a 10K resistor

On/Off switch

Hardware used: Any standard SPST or SPDT switch, [S3]

Wiring:

• attach S3's left pole to Feather's En pin
• attach S3's right pole to GND