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: RS232 specifications; RS422 specifications; RS423 specifications; RS485 specifications; Serial UART info; RS232 I/O ports and IRQs; RS232 flow control and handshaking; Which RS232 null modem?; VGA monitor cable; HDMI multimedia interface; Bluetooth interface; Introduction to VoIP; Hayes AT command set; On-line CRC calculation; ASCII character set; Schmitt-trigger inputs; Browser Header Checker

Interfacing: software downloads: Iptables firewall configuration

Modular cables, adapters and jacks: RJ-45 pin numbering; Common wiring schemes; DEC MMJ cables and adapters; Yost RS232 to RJ45 standard; Unitronics RJ11 wiring

USB, universal serial bus: All USB connectors; Maximum USB cable length; USB to RS232 converters

RS-232 cables: Pin assignment; DB9 to DB25; Loopback test plugs; Null modem cables; Serial printer cables; Spy / monitor cable; DEC MMJ cable and adapter; Yost RS232 to RJ45 standard

Parallel cables: Pin assignment; Printer cable; Interlink cable; Windows 95/98/ME DCC; Test plugs

PLC programming and data cables: Modbus interface tutorial; I2C interface tutorial; Omron PLC cables; Mitsubishi PLC cables; Siemens PLC cables; Idec / Izumi PLC cables; Unitronics PLC cables; Z-World controller cables

DSP based pulse induction metal detector

Time synchronisation with Garmin GPS

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