Assembling your Bluetooth sign with the RGB LED Matrix Panel is straightforward but will require some soldering.
In addition to your Adafruit RGB Matrix FeatherWing Kit, you'll also need a Header Kit for Feather - 12-pin and 16-pin Socket Header Set.
First, you'll need to solder two socket headers to each side of the RGB Matrix nRF52840 FeatherWing.
Attach the jumper wires included in the Matrix Panel kit to the terminal block on your Feather board. Remember, the negative sign denotes ground (black wire), while the positive sign is for the 5 volt (red wire).
Stack your Adafruit nRF52840 Feather Express onto your RGB Matrix nRF52840 FeatherWing to match the photo above.
Next, connect your RGB Matrix nRF52840 FeatherWing to your Matrix panel. Be sure to place your FeatherWing on the LiPo battery socket on the left side. For the correct orientation, the arrows on the Matrix panel should point to your right and upward.
Finally, connect your 5V 2A (2000mA) switching power supply to your RGB Matrix nRF52840 Feather Wing's 2.1mm DC jack.
Great! Now, now to get the Bluefruit Connect app.
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