National Control Devices, LLC

World's Largest Manufacturer of Computer Controlled Switching Devices Since 1995.
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Articles

Article:  
Introduction to Computer Control: Relays and Computer Controlled Switching
RS-232 Serial Communications: Introduction
USB Communications: Introduction
802.15.4 Wireless Communications: Introduction
Wi-Fi 802.11b and Ethernet Communications: Introduction
Bluetooth Communications: Introduction
Fiber Optic Communications: Introduction
Controlling Inductive Devices: Managing Electromagnetic Interference
The ProXR Standard for I/O and Relay Control
Analog to Digital Conversion
Internet Control from SignalSwitch.com
ProMOTE Software
Introduction to Solid State Relays

Customer Support
About National Control Devices
Tools and Resources
National Control Devices, LLC

PO Box 455 - Osceola - MO - 64776
Phone: 417.646.5644 - Fax: 866.562.0406
Open 9AM-4PM Central Standard Time
http://www.relaycontrollers.com/