Geeetech

myattorneyusa wrote:Yes, you can. Also, you can use any MOSFET Driver which compatible with Arduino, like IRF520 MOSFET Driver Module and so on.

Thank you for your help

Thank you Mark for reply. The schematics diagram: http://www.geeetech.com/forum/download/file.php?id=532
Replacement for Q5 transistor could be located at: http://alltransistors.com/mosfet/crsearch.php?struct=MOSFET&polarity=N&pd=0.8&uds=20&ugs=12&id=4.2&tj=0&fr=0&cd=0&rds=0.09&caps=

I find that ...

It worked for one day, now it wont work at all

Before printing all axis is going to home and that is a problem for z axis because it has no limit switch and because the sensor is using that terminal.
It does not perform auto leveling, . This must be a software thing, but i followed the manual for GT2560.

What can i do?

Ps. Sorry my bad ...

I am sorry to say, but i think my sensor i broken. It only flash red light, but it dont push pin up or down.
I updated my marlin firmware with the help of the instructions from this site http://www.geeetech.com/blog/tag/3dtouch-auto-leveling-sensor/

i use manual codes ( M280 P0 S10 ; pushes the pin ...