Z-probe touch sensorpiezoleeMay 21 min readUpdated: May 5First generationSecond generationSecond generationYouTube: https://youtu.be/ptnNKXc9i9sMaterials:LED: Surface mount LED 3020 red blue | Piezo Active TechSpring: AA battery contacts spring | Piezo Active TechPCB: PCB CCL Copper Clad Laminate board | Piezo Active Tech
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