Product overview
The HAKRC 70A F7 Stack from Shenzhen Haike Technology Co., Ltd. combines an F722 flight controller with a BLHeli-32 four-in-one ESC for UAV flight control and motor control integration. Its two boards share 30.5 * 30.5mm mounting spacing, with a 36 * 36mm controller and a larger 40 * 43mm ESC footprint. Their respective net weights are 8.5g and 14g. The supplied configuration is an electronics stack; its architecture centers on these control boards rather than a complete flight platform.
The controller provides an STM32F722RET6 processor, ICM42688 dual-gyroscope IMU, AT7456E OSD, integrated barometer and 16M black box. Six UARTs, a DJI FPV Air System connector and Type-C USB provide integration interfaces, while 5V/3A and 10V/2.5A BEC outputs serve onboard equipment. Power planning must respect the separate input ranges: 2S-6S Lipo for the controller and 2S-8S Lipo for the ESC. The ESC has 70A continuous and 75A peak ratings, although its supplied component designation is BLHeli-32 65A.
Specifications
| Specification | Value & conditions |
|---|---|
| Dimensions and mounting | 36 * 36mm; 30.5mm-30.5mm mounting holeF722 flight controller. |
| Packaging dimensions | 64 * 64 * 35mmF722 flight controller packaging. |
| Input voltage | 2S-6S LipoF722 flight controller. |
| Net weight | 8.5gF722 flight controller. |
| Packaging weight | 40gF722 flight controller packaging. |
| CPU | STM32F722RET6F722 flight controller. |
| IMU | ICM42688 dual gyroscopeF722 flight controller. |
| OSD | AT7456EF722 flight controller. |
| Black box | 16MF722 flight controller. |
| 5V BEC | 5V/3AF722 flight controller. |
| 10V BEC | 10V/2.5AF722 flight controller. |
| Firmware version | HAKRCF722V2F722 flight controller. |
| Receiver support | Frsky/Futaba/Flysky/TBS Crossfire/DSMX: DSM2 receiverF722 flight controller. |
| Dimensions and mounting | 40 * 43mm; 30.5mm-30.5mm mounting holeFour-in-one ESC. |
| Net weight | 14gFour-in-one ESC. |
| Packaging weight | 53gFour-in-one ESC packaging. |
| Input voltage | 2S-8S LipoFour-in-one ESC. |
| Galvanometer ratio | 160Four-in-one ESC. |
| Continuous current | 70AFour-in-one ESC. |
| Peak current | 75AFour-in-one ESC. |
| ESC firmware | HAKRC_ AT4G_ Multi_ 32.9 HexFour-in-one ESC. |
| Control protocols | PWM, Oneshot125, Oneshot42, Multispot, Dshot150, Dshot300, Dshot600Four-in-one ESC. |
| Stack configuration | HAKRC 70A F7 Stack with F722 flight controller and BLHeli-32 four-in-one ESC described as 65A; 30.5 * 30.5mm installation hole spacing |
| UART interfaces | 6 UARTsF722 flight controller. |
| FPV system connection | Built-in connector for the DJI FPV Air SystemF722 flight controller. |
| Barometer | IntegratedF722 flight controller. |
| USB interface | Type-C USBF722 flight controller. |
| LED equipment | Four programmable LED effect lightsF722 flight controller. |
| Current sensor | Built-in current sensorF722 flight controller. |
| Telemetry | ESC telemetry data transmission supportedFour-in-one ESC. |
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