DIY Caliper On-Off Switch
I have this old digital caliper that is rarely used, because the battery is always empty. The issue with these calipers is that they don't have any on-off switch, so they are constantly draining the battery. Basically they only switch off the display. I don't know whether newer calipers also suffer from this problem. It's a shame, because this is a good old caliper. Newer ones look and feel like they are made cheaper. I've seen people on the Internet adding various kinds of switches to their calipers, even external batteries(!), but I've not seen a good solution. The issue has been finding a small enough switch that doesn't interfere with the usage of the caliper. I was lucky with this one, because I found a switch that was a perfect fit without any modification to the caliper. Here is my solution: I used a small DIP switch: DIP switch dimensions are 10 mm x 6.5 mm x 5.5 mm (length x width x height). On this caliper, there is a small lid on the top side above t...