Tag: measurement
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Using Helmholtz Coils to measure the remanent magnetization of a permanent magnet
While working on my first product for sale, the StackMag, I bought a lot of neodymium magnets. For the first batch, I ordered 50 magnets from Aliexpress. After gluing them all in place, I noticed that they were significantly weaker than expected. They should have been N35 grade which is basically the lowest you can…
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Hacked digital caliper writes measurements in Excel sheet
For my bachelor thesis I needed to take a lot of manual measurements with a caliper. As a side project I decided to spend some time on interfacing the caliper via a connection bus that basically every cheap caliper has. Most of the time they are just hidden and a hole needs to be drilled…