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Robotics Debugger on Instagram: "Why your Arduino pin randomly disconnects (and it’s NOT a loose wire) If your project works sometimes fails when you touch the board or randomly stops mid-run… This isn’t a code issue. This isn’t even a wiring issue. Most of the time it’s a hidden solder problem: • Cold joints • Cracked solder • Weak header connections They look fine… until current flows. That’s why beginners (and even pros) keep “debugging code” for hours — when the fault is physical. If you’ve