Product overview
The Shenzhen Haike Technology Co., Ltd. HAKRC 35A miniF4 Stack combines an F405 flight controller with a BLS 35A four-in-one ESC for UAV flight control and motor control integration. Its two boards share a 20 × 20 mm mounting pattern, with controller dimensions of 29 × 39 mm and ESC dimensions of 31 × 30 mm. Each board has a specified net weight of 6 g. The supplied configuration is an electronics stack, with both boards accepting 2S–6S LiPo input.
Integration provisions include five UARTs, a DJI FPV Air System connector, Type-C USB, an integrated barometer, current sensing and external adjustable LED support. The controller specification lists an STM32F405RET6 processor, AT7456E OSD and 16MB black box storage. The IMU identification is inconsistent: the description names MPU6500, while the controller specification lists ICM42688. The ESC carries separate 35A continuous and 40A peak current ratings and supports PWM, Oneshot125, Oneshot42, Multishot and DSHOT150/300/600 control protocols.
Specifications
| Specification | Value & conditions |
|---|---|
| Supplied stack configuration | F405 flight controller and BLS 35A four-in-one ESC |
| Controller dimensions and mounting | 29 * 39mm (20mm-20mm mounting hole)F405 flight controller. |
| Controller package dimensions | 64 * 64 * 35mmF405 flight controller packaging. |
| Controller input voltage | 2S-6S LIPOF405 flight controller. |
| Controller net weight | 6gF405 flight controller. |
| Controller package weight | 37gF405 flight controller packaging. |
| CPU | STM32F405RET6F405 flight controller. |
| IMU | ICM42688F405 flight controller specification; the product description separately names MPU6500. |
| OSD | AT7456EF405 flight controller. |
| Black box storage | 16MBF405 flight controller specification. |
| EC output | 5V/2AF405 flight controller. |
| BEC output | 10V/2AF405 flight controller. |
| Controller firmware version | HAKRCF405V2F405 flight controller. |
| Receiver support | Frsky/Futaba/Flysky/TBS Crossfire/DSMX: DSM2 receiverF405 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. |
| Galvanometer ratio | 300BLS 35A ESC. |
| Continuous current | 35ABLS 35A ESC; continuous current. |
| Peak current | 40ABLS 35A ESC; peak current. |
| ESC firmware | G-rev. 16.7-MultiBLS 35A ESC. |
| ESC control protocols | PWM, Oneshot125, Oneshot42, Multishot, DSHOT150, DSHOT300, DSHOT600BLS 35A ESC. |
| ESC net weight | 6gBLS 35A ESC. |
| Barometer | IntegratedF405 flight controller. |
| LED support | External adjustable LED supportedF405 flight controller; external LED. |
| Current sensor | Built-in current sensorF405 flight controller. |
| UART count | 5F405 flight controller. |
| Digital FPV connection | Built-in connector for DJI FPV Air SystemConnection to DJI FPV Air System. |
| USB interface | Type-C USB |
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