I’m trying to use PET material and seem like it needs really good cooling so I get 2 wide 40x40mm fans. I lost the information sticker from original fan but i find some photo (of I think oem fan) with 1W on it (less than 100mA - 0,1A) and the new ones need 0,66A each… It didn’t work…
I have LCD and It worked a over 200 but they are powerful and noisy as hell…
The new ones are 4 wire. They should be able to be controled by PWM signal (digital impulses like —— or --------------) but I take a little look on google for this and a frequention should make this difference between working and sh*t. There is (I think) too low frequention. It should be about 25kHz I think…
I’ve checked the firmware but i find just information about rising the frequention can cause bigger temperatures on the driver…
I really don’t know what to do now…