How I Wired My CNC E Stop Wrong And How to Avoid It! 🛑

Wiring a CNC Emergency Stop (E-Stop) and Limit Switches can be tricky, and one wrong move can instantly fry your controller board! In this video, I’ll show you exactly how to wire your NC (Normally Closed) E-Stop switch safely, keeping your 5V logic completely isolated from high-voltage components. We will cover the correct wiring diagrams, how to use a multimeter to double-check your connections before powering up, and how to ensure your CNC chassis is safely grounded. No more "magic smoke"! If this tutorial helped you save your CNC board, make sure to drop a LIKE and SUBSCRIBE for more upcoming DIY CNC builds and electronics adventures! 📋 WHAT WE COVER IN THIS VIDEO: • Introduction & The Danger of High Voltage • Understanding NC (Normally Closed) Switches • CNC Controller E-Stop Wiring (GPIO 26) • High Voltage Isolation & "Magic Smoke" Warning • Multimeter Safety Check & Grounding • Final Overview #CNC #Wiring #DIYCNC #Electronics #Arduino #GRBL #Estop #Maker #HowTo #Engineering