[mircemk] shows how to create a simple non-contact proximity sensor using little more than an Arduino Nano board, and a convenient software library intended to measure the value of capacitors. The ...

.info-box .ib-icon { font-size: 1.3rem; flex-shrink: 0; margin-top: 2px; } .info-box p { margin: 0; font-size: 0.92rem; line-height: 1.6; } .info-note { background: # ...