555 swept ultrasonic insect repeller circuit



NE555



USB 2.0 Hub

USB 2.0 Hub


Another version of USB HUB.When comparing 2.0 and 3.0 there are a few major differences. First the transfer rates: USB 2.0 offers transfer rates of 480 Mbps and USB 3.0 offers transfer rates of 4.8 Gbps - that's 10 times faster. Note that the transfer speeds also depend on the device in use in addition to the bus type and USB ports and cables.

USB 2.0 Hub01

best usb hub ,best usb c hub,usb 2 port hub ,usb 2.0 4 port hub ,usb 2 hub

Pogo Technology International Ltd , https://www.wisesir.net

Posted on