Refer to the website for all the documentation and files

1. Install the Arduino IDE
2. Install Adafruit windows drivers(if applicable)
3. Add repository
   • file –> preferences
   • in “additional board managers”, type “https://adafruit.github.io/arduino-board-index/package_adafruit_index.json"
4. Add adafruit boards manager
   • tools –> board –> board manager…
   • search for adafruit, select, and install.

USB Bootloader Settings

1. Plug in USB Bootloader
2. Select Board:
   • ProTrinket5V/16MHz(USB)
3. Select Programmer:
   • USBTinyISP
4. upload

USB/Serial Cable Settings

1. Plug in USB/Serial Cable to the six pins at the end of the adafruit pro trinket
2. If necessary, install ftdi drivers
3. Select Board:
   • ProTrinket5V/16MHz(FTDI)
4. Select Port (use device manager to identify)
5. Select Programmer:
   • AVR ISP
6. upload

Working with serial

Serial Echo

void setup() {
  Serial.begin(9600);
}
void loop() {
  if (Serial.available()) {      // If anything comes in Serial (USB),
    Serial.read();
    Serial.write("x");   // read it and send it out Serial1 (pins 0 & 1)
  }
}