Technical information

Global positioning system (GPS) technical information

• Common NMEA GPS sentences
• Other NMEA GPS sentences
• GPS ECEF datum transformation
• NAVSTAR GPS User Equipment Introduction
• NAVSTAR GPS Interface Control Document

Electronic circuit schematics

• Alarms and security related circuit schematics
• Audio power amplifier circuit schematics
• Audio preamp circuits
• Automotive, car and motorcycle circuit schematics
• Data acquisition and data logging circuit schematics
• Filter circuit schematics
• Games and fun electronic circuits
• Infrared based circuit schematics
• Laser related power supplies and data transmission circuits
• LED related circuit schematics
• Lighting circuit schematics
• Medical and health related circuit schematics
• Microcontroller based circuit schematics
• Misc audio (also see Music, Amplifiers, Preamp) circuit schematics
• Miscellaneous circuit schematics
• Model and remote control circuit schematics
• Motor and general control circuit schematics
• Music related circuit schematics (also see Audio)
• PC related circuit schematics
• PDA interfaces and related circuit schematics
• Photography related electronic circuits
• Power supplies and control circuit schematics
• Radio-frequency circuits (also see Transmitters)
• Solar-powered circuit schematics
• Telephone and intercom related circuit schematics
• Test equipment circuit schematics
• Circuit diagrams for timing, oscillators, frequency synthesizers etc.
• Transmitter circuit diagrams (also see RF)
• Video related circuit schematics