Here is the USB printer switch circuit design with two USB input ports and one USB output port. This a really simple device that allow […]

This is the circuit diagram of USB power booster, expecially to strength the power capability of USB port from PC / laptop / notebook. USB […]

This is the circuit diagram of USB powered stereo computer speaker, or it widely known as multimedia speakers for PCs. The circuit has single-chipbased design, […]

This LAN tester circuit originally designed by Vassilis Stergiopoulos. This LAN tester circuit optionally has two designs. The first design is built based 2 main […]

Here is the USB sound card circuit based on PCM2706 which dedicated for USB audio. With USB controller module inside PCM2706, there is no more […]