Overview
Flashhobby Arthur A40A is a slim 32-bit brushless ESC designed for 3-6S LiPo setups, supporting DShot1200 and multiple signal protocols for RC multirotor and other RC aircraft builds.
Key Features
- BLHELI_32bit firmware (supports online configuration and firmware upgrade via signal wire)
- 32-bit ARM Cortex MCU: STM32F051, 48MHZ; throttle 2048 resolution ratio; strong anti-interference capacity
- Built-in sensor for temperature / output power / output current reaction and programmable protection
- Current Meter function to help show current indication of OSD
- Self-adaption control system for compatibility with motors in the market
- Supports up to 500HZ PWM
- Twisted-pair signal wire to lower crosstalk and improve stability
- Double voltage protection for MCU hardware, driver circuit, and MOSFET
- Low internal resistance MOSFET process and professional MOS driver chip for efficiency
- MOSFET covered with aluminum sheet for cooling
- 6 layer thicken PCB to lower resistance, reduce heat, and increase impact resistance current
- With USB linker: programmable throttle settings (positive/negative), two way mode, FPV 3D mode, motor speed, braking, PWM frequency, inlet angle speed setting, onboard RGB LED color, beep
Specifications
| Model | Arthur A40A |
| Firmware | BLHELI_32bit |
| Working Voltage | 3-6S |
| Continuous Current | 40A |
| Burst Current | 45A (10s) |
| Size | 11*34.5mm |
| Net Weight | 6.4g |
| Supported Protocols | Dshot1200 / 600 / 300 / 150, PWM, Oneshot125/42, Multishot, Damped Mode |
| MCU | STM32F051 (ARM Cortex), 48MHZ |
Applications
- RC racing multirotor / multi-axis builds
- Fixed-wing and helicopter applications
For wiring, configuration, or compatibility questions, contact [email protected] or visit https://rcdrone.top/.
Details
The Flashhobby Arthur A40A slim ESC comes pre-wired with battery leads and a signal connector for straightforward installation.
Flashhobby Arthur A40A slim BLHeli_32 ESC features a 40A rating and labeled solder pads for tidy 36S LiPo wiring.
The Flashhobby Arthur A40A slim 40A ESC fits neatly along an FPV drone arm to keep wiring compact and secure.
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