Product overview
The HAKRC 35A miniF7 Stack from Shenzhen Haike Technology Co., Ltd. combines flight control and four-in-one electronic speed control for UAV integration. Its supplied configuration pairs an F722-designated controller with a BLS 35A ESC, using 20 × 20mm mounting spacing. The controller measures 29 × 39mm, while the ESC measures 31 × 30mm; each has a listed net weight of 6g. These separate board footprints define the installation space required around the shared mounting pattern.
Both boards accept 2S–6S LiPo input, and the ESC carries continuous and peak ratings of 35A and 40A respectively. Integration features include six UARTs, F.Port, a DJI FPV Air System connector, an integrated barometer, current sensing and external adjustable LED support. The controller specifications list an STM32F405RET6 CPU, ICM42688 dual gyroscope and 16MB black box storage. These component identifiers differ from the F722 and MPU6500 descriptions also associated with the stack, leaving a material ambiguity in its processor and IMU configuration.
Specifications
| Specification | Value & conditions |
|---|---|
| Flight controller dimensions and mounting | 29 * 39mm (20mm-20mm mounting hole)F722 flight controller. |
| Flight controller package dimensions | 64 * 64 * 35mmF722 flight controller packaging. |
| Flight controller input voltage | 2S-6S LIPOF722 flight controller. |
| Flight controller net weight | 6gF722 flight controller. |
| Flight controller package weight | 37gF722 flight controller packaging. |
| CPU | STM32F405RET6F722 flight controller specification. |
| IMU | ICM42688 dual gyroscopeF722 flight controller specification. |
| OSD | AT7456EF722 flight controller. |
| Black box storage | 16MBF722 flight controller specification. |
| EC output | 5V/2AF722 flight controller. |
| BEC output | 10V/2AF722 flight controller. |
| Flight controller firmware version | HAKRCF722V2F722 flight controller. |
| Receiver compatibility list | Frsky/Futaba/Flysky/TBS Crossfire/DSMX: DSM2 receiverF722 flight controller. |
| ESC dimensions and mounting | 31 * 30mm (20mm * 20mm mounting hole)BLS 35A ESC. |
| ESC package dimensions | 64 * 64 * 35mmBLS 35A ESC packaging. |
| ESC package weight | 40gBLS 35A ESC packaging. |
| ESC input voltage | 2S-6S LipoBLS 35A ESC. |
| Current measurement ratio | 300BLS 35A ESC. |
| Continuous current | 35ABLS 35A ESC. |
| Peak current | 40ABLS 35A ESC. |
| ESC firmware | G-rev. 16.7-MultiBLS 35A ESC. |
| ESC control protocols | PWM, Oneshot125, Oneshot42, Multishot, DSHOT150, DSHOT300, DSHOT600BLS 35A ESC. |
| Supplied stack configuration | BLS 35A four-in-one ESC and F722 flight controller; 20 * 20mm installation hole spacing |
| Serial interfaces and F.Port | 6 UARTs; F.PortF722 flight controller. |
| DJI FPV connection | Built-in connector for the DJI FPV Air System |
| Barometer | IntegratedF722 flight controller. |
| LED support | External adjustable LED supportF722 flight controller. |
| Current sensor | Built-in current sensorF722 flight controller. |
| ESC net weight | 6gBLS 35A ESC. |
| Receiver signal support | Sbus, ELRS, PPM, CRSF, DSMX, iBus, DUMD |
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