All of my less-discerning maker friends use Amazon/Harbor Freight/whatever calipers and complain about the battery life. Hence, the source for articles like th

All of my less-discerning maker friends use Amazon/Harbor Freight/whatever calipers and complain about the battery life. Hence, the source for articles like this: https://hackaday.com/2021/10/30/cheap-caliper-hack-keeps-em-running-longer/ https://hackaday.com/2021/10/30/cheap-caliper-hack-keeps-em-...