1394 cable to usb

Influence of internal resistance of USB data cable on charging current Mobile phone and tablet Charger interface for USB interface, the use of the adapter through the power of the USB cable and ground to form a loop to charge the phone, if the quality of the data line, the

Are you still using a USB cable to connect your mobile phone to access sdcard ?, You are out. This article will tell you that if you connect your laptop to your mobile phone through wifi and quickly access sdcard, you certainly do not need a wireless router. Prerequisites The laptop system is windows 7, and the wireless network card is normal and the driver is normal. Android phones support Wifi and Andr

Looking forward to, looking forward to, the new computer MacBook came, but the thin Mac does not have a network interface, and the school campus network wireless speed is very slow, how to do?Had to buy an external USB adapter (I would say that the MacBook built-in lightning adapter is too expensive?) ), the hardships received goods, plug in the network cable ... The results show: "

The specification of the USB connector has different meanings in different states. For example: In the United States, it is AWG is the United States of the cable standard (American Wire gauge), high-speed signal transmission, transmission line skin effect is the biggest difference. Maximum Skin frequency: 26AWG 107KHz 30AWG 270KHz For ordinary users, 30AWG means low power consumption under the same tran