| Being an all-solid-state design you don’t have to tap on this barometer to get the latest air pressure reading!
All items tagged with LED and pressure (3)
| Strictly speaking, a trinket cannot be functional, but the title of this article is apt. It is a kind of miniature VU meter whose LED...
| Few audio enthusiasts possess, or have access to, equipment required for accurately measuring the performance of a loudspeaker or the...