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Simple servo tester mod. First unsolder all the out pins and LEDs thin unsolder the 3 surface mount resistors thin put in our extra pins and new LEDs jump the resistors leads and there you have it. P.S.I got mine at ebay
This is a companion discussion topic for the original entry at https://community.robotshop.com/index.php/robots/show/simple-servo-tester-mod-for-2-50