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Assemble and Power on Fusion HAT+ (Important)

Connect Fusion HAT+ to Raspberry Pi

Here, we’ll teach you how to assemble the Fusion HAT+.

  1. Assemble the base.

  2. Stick the battery to the base.

  3. Secure the Raspberry Pi with with standoffs.

  4. Connect the FPC cable to the Raspberry Pi. (We will assemble it and the Camera Module when assembled the pan-tilt.)

  5. Plug the Fusion HAT+ into the 40-pin connector on the Raspberry Pi.

  6. Insert the battery. (This is very important. If you don’t insert the battery, the Fusion HAT+ will not work.)

For the details of the assembly, please check the video below.

Charge

Before the first use, it is recommended to fully charge the battery. You can use the included USB Type-C charging cable, or your own USB-C charger.

Note

The battery may arrive with low charge because Amazon requires it to be below 30% before air shipment. You MUST fully charge it before use to prevent over-discharge and damage. Plug the USB-C to Fusion HAT+, and the battery will be charged automatically. You don’t need to connect the power supply to the Raspberry Pi.

  • We recommend using a 5V 3A power supply, such as the official Raspberry Pi 15W adapter.

  • You can also use a USB-C PD (Power Delivery) charger or a QC 2.0 fast charger.

  • Charging from 0% to full typically takes about 2 hours.

../_images/power_charge.jpg

The Fusion HAT+ includes two battery indicator LEDs, showing the battery voltage level:

LED Status

Battery Voltage

2 LEDs ON

> 7.4V

1 LED ON

< 7.4V

Both LEDs OFF

< 6.5V

When charging, one of the LEDs will blink to indicate charging progress:

LED Status

Battery Voltage

1 LED ON, 1 LED Blinking

> 7.4V

Only 1 LED Blinking

< 7.4V

After fully charged:

  • If the Fusion HAT+ is ON, both LEDs will remain lit.

  • If the Fusion HAT+ is OFF, both LEDs will turn off.

Note

For extended programming or debugging sessions, you can keep the Fusion HAT+ powered by connecting the USB-C cable, which will charge the battery and run the Fusion HAT+ at the same time. Even if you run the Fusion HAT+ while the charer is connected, the battery cannot be removed.

Power ON

When the battery has sufficient charge, press the power button on the Fusion HAT+ briefly.

  • The PWR LED will turn on.

  • The battery LEDs will also light up.

  • The Raspberry Pi will power on automatically.

../_images/power_button.jpg

Assemble the Pan-tilt (For Camera)

To make using the camera module easier, you can assemble a pan-tilt.

Note

Assembling the pan-tilt may obscure some pins, so it is recommended to assemble it only when using the camera, or place it on the outside after assembly.

../_images/gimbal_assemble.png

For the details of the assembly, please check the video below.