Dual Extruder Servo

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Hello,

I’m planning my multiple paste extruders which are using a servo (or multiple with Duex5 later on) to move down the one that is printing only, so other nozzle tip don’t scratch the surface. Like this video: Dual Extruder Servo

Searching around in the forum and I found the infos are scatter and I’m not sure exactly which pins are for this kind of small servo on Duet 2 WiFi for extruder zero and one because I’m novice at electronics .. and don’t want to make serious mistake.

Please kindly suggest .. thanks