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Remove the existing mcu with a hot air soldering iron

A project log for Wind sensor using car reversing kit

A wind speed and direction sensor from an Ebay car reversing kit and an Arduino

AndyAndy 09/30/2021 at 07:100 Comments

The existing 8 pin soic mcu has to be removed. I have a hot air soldering iron for this task. (If you don't have one, then it is possible to remove smd ics by making a u shaped piece of thick copper wire and soldering it to the ic's pins with blobs of solder. Heat it up with a bigish soldering iron and then pull it off with tweezers)

Also shown in the video is  the piece of proto board, attached to the existing pcb with double sided tape, which works much better than you would think..

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