Product overview
The GEPRC GEP-12A-F4 combines an F411 flight controller and BLheli_S 12A ESC in a compact electronics assembly for micro indoor quadcopters, with 1103–1105 motors identified as the intended pairing. Its STM32F411 processor works with a BMI270/42688 gyro and accelerometer connected over SPI. BetaFlight OSD uses an AT7456E chip, while an integrated LC filter and a 5V@1A BEC provide onboard power provisions. The assembly has a buzzer pad but does not include a barometer.
Integration requires space for a 28.5×28.5mm board and a 25.5×25.5mm M2 mounting pattern; specified weight is 5.6g. Battery input is limited to 2–4S LiPo, and the ESC continuous current rating is 12A. Supported control protocols are Dshot600, Oneshot and Multishot. Receiver options include the named Frsky, Futaba, DSM/DSMX, FlySky, TBS Crossfire and AC900 types, plus most SBUS receivers. The supplied electronics package contains one GEP-12A-F4, a power cable, eight screws and four soft silicone pieces for mounting and vibration isolation.
Specifications
| Specification | Value & conditions |
|---|---|
| Model | GEPRC GEP-12A-F4 Flight Controller 12A ESC |
| Intended application | Flight control for micro indoor quadcopters |
| Gyroscope update | June 14th, 2022: Gyro updated to BMI270/42688 |
| MCU | STM32F411 |
| IMU | BMI270/42688 gyro/accelerometer (SPI) |
| OSD | BetaFlight OSD with AT7456E chip |
| Barometer | None |
| BEC output | 5V@1A |
| Power filtering | Integrated LC filter |
| Flight controller firmware target | GEPRCF411 |
| Board size | 28.5×28.5mm board, 25.5mm mounting holes (M2) |
| Mounting pattern | 25.5×25.5mm, M2 |
| ESC MCU | 8BB21F16G |
| ESC firmware family | BLheli_S |
| Continuous current | 12A |
| Input voltage | 2–4S LiPoLiPo battery input. |
| Supported ESC protocols | Dshot600, Oneshot, Multishot |
| Current meter | 210 |
| ESC target | G_H_30 |
| Receiver support | Frsky XM/XM+/R-XSR; Futaba receiver; DSM/DSMX; FlySky receiver; TBS Crossfire receiver; AC900; most receivers supporting SBUS |
| Motor pairing | Intended for 1103–1105 motors |
| Vibration isolation | Silicone shock absorption |
| Buzzer connection | Buzzer pad included |
| Weight | 5.6g |
| Included equipment | 1 × GEP-12A-F4; 1 × power cable; 8 × screws; 4 × soft silicone piecesSupplied package. |
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