USB sound card made from a broken USB headphones March 07, 2017 a broken card from headphones made sound USB +
Perpetuum mobile STEAM ENGINE made of glass February 21, 2017 engine glass made Mobile OF Perpetuum Steam +
TDA2822 made for 5 1 audio amplifier system February 16, 2017 1 5 Amplifier Audio For made system TDA2822 +