lbmacro.bsky.social
@lbmacro.bsky.social
Shown here the tiny mechanism of an analog Voltmeter. An electromagnet responds to the voltage and is countered by a small coiled up spring, similar to the ones in watches. The lever let's you adjust tension and by that zero.
January 22, 2026 at 3:24 PM
A CCD image sensor, a technology mostly long superceded but not gone
January 21, 2026 at 1:31 PM