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APM 2.8 Flight Controller (Without Compass)
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The APM 2.8 flight controller is an improved version of the APM 2.6 flight controller, suitable for use with DIY quadcopters, drones, helicopters, RC planes, and other UAVs. With its fail-safe programming option, drone enthusiasts can easily address issues caused by low battery or lost control signal.
Additionally, this flight controller has an I2C interface that enables users to connect an external compass. The board also features pads at the back for the UART0, UART2, I2C, and OSD interfaces.
The APM flight controller stands out for its open-source autopilot system, and the APM 2.8 flight controller is the top-selling model, recommended by UAV and Drone experts. It can turn any fixed or rotary-wing UAV into a fully autonomous system, and advanced users will appreciate the numerous customization options and expanded mission capabilities available.
Check out the best collection of Drone Controllers.

| Model | APM 2.8 Flight Controller Board (Without Compass) |
| Input Voltage | 12-16 V |
| Processor | ATMEGA2560 and ATMEGA32U-2 |
| Micro SD card slot | No |
| Sensors | 3-Axis Gyroscope and Accelerometer, Barometer |
| Dimensions | 70 x 45 x 15mm |
| Weight | 25 grams |