https://stone-hmi.com/mcu-controller/
Using APM32F103CBT6, 32-bit ARM Cortex-M3 core, Maximum operating frequency of 96MHz, Flash capacity of 128KB
![image](https://www.ulavu.com/upload/photos/2023/06/AABYETDhdtcK1shjYxB1_18_9155e8b09d1fa7c19c2ad1c148176e15_image.png)
https://stone-hmi.com/mcu-controller/
Using APM32F103CBT6, 32-bit ARM Cortex-M3 core, Maximum operating frequency of 96MHz, Flash capacity of 128KB