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Basic Operations

Overview​

Firefly T1 sits between a traditional development board and a finished product. It can run as a standalone device or be paired with various accessories to unlock diverse functions. This guide covers the most basic operations when using it as a standalone device.

Hardware Diagram​

Hardware diagram

caution

Incorrect battery polarity will prevent the device from powering on.

Basic Operations​

Power On & Off​

Power On

  1. With the device off
  2. Press and hold the joystick center button for 2 seconds

Power Off

  1. Exit all apps and return to the home screen
  2. Press the joystick down button once

Joystick diagram

Enter & Exit Apps​

Enter App

  1. Move the joystick left/right to select an app
  2. Press the center button to enter

Exit App

  1. While in an app
  2. Press and hold the center button for 2 seconds to return to home

Enter & exit app diagram

Get More Apps​

App Installation →

Charging​

5V input via Type-C port. Connect the included Type-C cable to a charger or computer.

Battery Level​

The top-left of the screen shows charging status (C:0 = not charging, C:1 = charging), and the top-right shows the current battery percentage.

Charging Notes​

  • You can use a phone charger or power bank to charge the device
  • The device can be stored directly after power off, no need to remove the battery
  • After plugging in the power, it automatically switches to external power supply; the device can work normally even without a battery installed