Skystars KM55A – the first ESC with AM32

Skystars is preparing to release the KM55A 4in1 ESC, the first off the shelf 4in1 ESC with AlkaMotors32 (AM32) firmware. While the KM55A 4in1 ESC is not new in the market, was released back in the year 2020, but this new version was optimized for the AM32 firmware.

AM32 (AlkaMotors32) firmware is OpenSource firmware for STM32 powered ESCs. AM32 firmware is upgradable via Betaflight passthrough, just like the BLHeli_S and BLHeli_32 firmwares. AM32 can be configured and firmware upgraded with the ESC-Configurator tool. This tool is accessible online:

Release date: 2022

Available @ nowhere at the moment.

Prelinimary specifications:
Input voltage: 3-6S LiPo
Con.Current: 55A
Peak Current: 70A≥ 10S
Firmware: AM32
Support: Dshot 600/1200
Mounting hole: 20X20 mm/M3
Product size: 35*47*6.5mm
Weight: 16.5g(?)


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