$28 determina a frequencia do pwm
atualmente utilizando a versão 2.10 (VER:1.1h.2020062101), visto que o autoconnect de wifi esta funcionando.
MKS-DLC32/V2.20_H35_2022_1101_N_ZX_002.bin at main · makerbase-mks/MKS-DLC32
CH340 Drivers for Windows, Mac and Linux
Flasher versão 3.6.6:
https://1drv.ms/u/s!Ak5Nuzm08iY7kKMAxorDJcg8wJbayw?e=xMo3Go

Firmware page:
MKS-DLC32/firmware/TS35/Laser/Normal at main · makerbase-mks/MKS-DLC32
Manual:
https://github.com/makerbase-mks/MKS-DLC32/blob/main/doc/DLC32 wiring manual.pdf
