Full tutorial video link above the title In the video I use : 18 gauge ( wire diameter 1mm ) : 25cm( 10 inch) 28 gauge ( wire diameter 0.3mm ) : 15cm( 6 inch) Round cabochon of 1.6cm Simple tiny Yin ...

In this article, we propose a voltage-controlled oscillator (VCO) with a single three-coil transformer, featuring a common-mode (CM) resonance expansion and intrinsic differential 2nd harmonic output.

Recently, a striking yin-yang symbol emerged at Chaotianmen, where the Yangtze and Jialing rivers converge in Southwest China ...