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The CruxF405HD ELRS AIO flight controller is an all-in-one solution for 3-4S Toothpick or long-range FPV drones. It integrates a 20A Blheli_S ESC, UART 2.4GHz ExpressLRS receiver, BMP280 barometer, and supports plug-and-play DJI HD equipment with a reserved 6-pin socket.
NOTES:If you want to use Barometer and want to upgrade firmware to betaflight 4.4.x ,you need to add custom Defines “BARO_DPS310 ACC_SPI_ICM42688P GYRO_SPI_ICM42688P” from build configuration of betaflight configurator before load online firmware otherwise gyro will not working . 
Enabled Barometer steps:After re-flashed firmware successfully , please connect to betaflight configurator and go to CLI command ,then type the following command:
resource I2C_SCL 2 B10
resource I2C_SDA 2 B11
set baro_bustype = I2C
set baro_i2c_device = 2
save
Default port settings:
If you want to use DJI Radio Controller , please change to the following settings:
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
