Firmware
App Firmware
Use the latest release of AM32.
Low KV Large Prop Systems
For low KV motors and large props, use the ARK_4IN1_RAMP_F051 firmware which increases the maximum 0-100% ramp time to 200ms. When flashing back and forth from the standard ARK_4IN1 firmware, select "Ignore current MCU layout".
Bootloader Firmware
The ARK 4IN1 uses the AM32_F051_BOOTLOADER_PB4 bootloader. You can find the latest release here.
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