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How does USB work?

Donate: BTC:384FUkevJsceKXQFnUpKtdRiNAHtRTn7SD ETH: 0x20ac0fc9e6c1f1d0e15f20e9fb09fdadd1f2f5cd 0:00 History of USB standard creation. USB-IF forum. 1:02 LPT port, it's features and problems. R2R DAC, COVOX. 2:51 The COM-порт (RS232). 4:10 Data transfer in COM-port. 4:54 Modern RS-232 implementations. 5:38 USB standard goals and ideology. 6:15 USB topology and device interaction. 7:08 USB connectors and sockets. USB-A and USB-B. 7:41 Mini USB and Micro USB. Proprietary USB sockets. 8:50 USB protocol versions. USB 2.0, USB 3.0, USB 3.2. 9:33 USB signals. GND, VUSB, D+, D-, shield. 10:42 How to easily remember the USB-A connector pinout. 11:22 Data exchange on USB bus. 11:55 Balanced (symmetric) connection. 12:53 Interference in a symmetric and non-symmetric cables. 13:25 Modeling interference using transformers. 14:14 Unbalanced circuit model. 15:29 Balanced circuit model. 17:02 In-phase and anti-phase signal. Differential amplifier. 18:29 Symmetric data-link in USB standard. Cable requirements. 19:24 Making a DIY USB cable off an FTP ethernet cable. 20:03 Why does USB use serial method of data transfer? 21:44 Non-return to zero inverted protocol (NRZI). 22:44 Bit-stuffing technique in NRZI. 24:06 Message exchange on USB bus. Device detection. 25:15 Packet size query. 26:15 Addressing on USB bus. 27:05 Device info query and driver loaing. Configuring devices. 28:36 How is full duplex mode implemented in USB standard? 29:36 USB OTG. Using slave USB devices as Host. 30:42 USB 3.0 standard and its key features. 31:37 USB-B connectors in USB 3.0. USB 3.2, type-C. 32:44 USB-PD (Power Delivery), voltages above +5v. 33:01 USB 4. Display Port and PCI-E tunneling. 33:40 Busting the "USB device not recognized" myth. 34:42 USB cable quality requirements. 35:50 Ron Mattino - Thanks for watching! ;)