Anyone has tried using dual DRV8833 ?

Im making an RC car, diagram shown as picture, i write a motor lib myself, but it seems there is something wrong, 1 side run faster (image 1 side run with pwm 255 and 1 side is just 100-150) than the other, and if i disconnect 1 DRV8833, the other stop running ...

Hi
How can i set own name for a BLE Service and BLE characteristic using ESP32 lib (nkolban), example: "This's my service", "This's my char" ?
Docs found just say about default BLE Service/Characteristic names provided from bluetooth.com, if i create a service/characteristic with my own UUID, the ...

Does anyone use platformio in sublime text ?, how to check espressif32 boards version included (example: 1.0.3, 1.0.2, 1.0.1) and choose version we want ?

In Arduino IDE, i can found it in Board Manager and upgrade/downgrade its version, but i dont know how to do in platformio

Im compiling a customized sketch for ESP32 Cam, but the IDE shows error: dl_lib.h: No such file or directory found

I have searched but havent had the guide to fix it, please help. Thanks :D

I used both these sketch and they all show the dl_lib missing error:

https://github.com/gumslone/ESP32-CAM ...

I bought this board https://www.aliexpress.com/item/32807887667.html?spm=a2g0s.9042311.0.0.6cd64c4dGapEIG
(The yellow board, which has only one led onboard)
When uploading blink sketch, it doesnt work, but other sketch is ok
In this case, which pin is connected to the only led onboard ...