AirBorn Electronics Project Work

These projects date from the 1990's
Newer projects are here

RomEm3: Rom Emulator unit, 1-8 Megabit

• Emulates 27C64 to 27C080 type EPROMs
• Fast parallel download from PC
• Auto target reset
• Plugpack/target powered
• Addressable-Gangable

Ser_par: RS232 Serial adaptor - Parallel output

Devices are similar, but use different processors

• Allows parallel device (E.G. Romemulator) to run on a serial link
• Inline DB25 package
• Powered from parallel device (E.G. Romemulator)
• Status LED
• Appropriate software to accept Intel Hex format files

Sonar1: Buddy line Sonar - direction finder

• Underwater recreational diving direction finder
• Ultrasonic Tx/Rx
• Magnetic coupled switches
• Backlit LCD display
• 12v Gel cell powered

Sonar1: Technical Documentation

• Circuit Diagram
• Parts List
• PCB Layout
• PCB Art: Bottom
• PCB Art: Top
• PCB Art: Drilling
• Case Art

RFkey1: RF Key (Interrogative type)

• Challenge response authentication over 300MHz link
• Single chip microprocessor controlled
• Battery powered, status LED
• 90 x 50 x 23mm prototype

ChngDB91: Link Authentication Unit

• Link Authentication Unit
• Challenge/Response type
• Gold plated DB9 connectors
• Small size unit
• Placed between PC/Modem
• RS232 Signal Powered

Camera1: Camera controller

• Motion activated/Time lapse security camera
• Microprocessor controlled
• Programmable operation
• Armed by Alarm system
• Optional remote control

232Hub1: RS232 Active Hub (5 port)

• 4 signal buffered data ports to one master port
• DB9 Gold plated connectors
• Handles all NRZ protocols (protocol independent)
• Plugpack or 12v supply
• Full or Half duplex

Concept prototype: RF remote full duplex ID unit

• Code entered on keypad identifies common target between two parties
• Units establish handshake, transmitting ID's and Targets
• If Targets match, units lock on and identify

IRKey1: Infra-red key (Interrogative type)

• Infra red receive/transmit communication
• Status LED
• Miniature, 90x50x23mm
• Battery powered

IRRead1: IR Reader (Interrogative type)

• Infra red receive/transmit communication
• RS485 COMs Bus
• Miniature, 90x50x23mm
• Internal EEPROM
• Strike relay, Status LED

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