The Flipper Zero is predicated within the FreeRTOS working program. This is the serious-time working program kernel for microcontrollers that was made back again in 2003 and distributed beneath the MIT license. The attention-grabbing point concerning this device is that it is a tool to hack together with other things. https://flipper-zero-firmware53983.pointblog.net/getting-my-zero-flipper-firmware-to-work-82205671