Editing Step 35 —
Checkpoint 2

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Before moving on to the next step, check all the cables. The connections must look like the picture. Take your time to ensure the previous steps are correct.

On some fans (verified on Sanyo Denki's) disconnecting the ground pin while 12V is connected to the fan will cause a high voltage on the tachometer pin, this can fry your mcu. Do NOT connect the tachometer pin if you do this

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