Assessments - 3, GPA: 3.7
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It is small enough that it can easily be hidden, yet it picks up audio as well as video! The Interface board picks up infra-red light, allowing it to be used at night or in dark places. • Quick connection to a TV or VCR • Runs from a 12 to 15 volt power supply • Great for watching the kids outside while you’re busy inside • Includes a microphone allowing audio as well as video outputs • The ultimate baby monitor! • Educational and fun to build! • Informative manual leads you through step by step to ensure an operating unit when complete. • Interface board allows for use in dark places including at night. RAMSEY TRANSMITTER KITS • FM10A, FM25B FM Stereo Transmitters • TV6, Television Transmitter • MR6, Model Rocket Tracking Transmitter RAMSEY RECEIVER KITS • FR1 FM Broadcast Receiver • AR1 Aircraft Band Receiver • SR2 Shortwave Receiver • AA7 Active Antenna • SC1 Shortwave Converter RAMSEY HOBBY KITS • SG7 Personal Speed Radar • SS70A Speech Scrambler • TT1 Telephone Recorder • SP1 Speakerphone • MD3 Microwave Motion Detector • PH10 Peak hold Meter • LC1 Inductance-Capacitance Meter RAMSEY AMATEUR RADIO KITS • DDF1 Doppler Direction Finder • HR Series HF All Mode Receivers • QRP Series HF CW Transmitters • CPO3 Code Practice Oscillator • QRP Power Amplifiers RAMSEY MINI-KITS Many other kits are available for hobby, school, Scouts and just plain FUN. New kits are always under development. Write or call for our free Ramsey catalog. IB1 INTERFACE BOARD KIT Ramsey Electronics publication NO. MIB1 Rev. 1.5a First printing: December 1994 COPYRIGHT 1994 by Ramsey Electronics, Inc. 590 Fishers Station Drive, Victor, New York 14564. All rights reserved. No portion of this publication may be copied or duplicated without the written permission of Ramsey Electronics, Inc. Printed in the United States of America. IB-1 • 2 Ramsey Publication No. MIB1 Price $5.00 KIT ASSEMBLY AND INSTRUCTION MANUAL FOR INTERFACE BOARD KIT TABLE OF CONTENTS Introduction to the IB1 ................... 4 How It Works ................................. 4 Kit Building Tips............................. 4 Parts list......................................... 5 IB1 Placement Diagram ................ 6 IB1 Schematic Diagram................. 6 IB1 Assembly Instructions ............. 8 Set-Up............................................ 9 Troubleshooting ............................. 9 Concealment Ideas........................ 10 Ramsey Warranty.......................... 11 RAMSEY ELECTRONICS, INC. 590 Fishers Station Drive Victor, New York 14564 Phone (585) 924-4560 Fax (585) 924-4555 IB-1 • 3 Introduction: It is now possible to monitor what is happening at night as well as during the daylight hours with the Interface board kit and a camera. By virtue of infrared LEDs for night vision and a microphone attached to an amplifier circuit, you can use it to spy on someone or as a means of added security. The Interface board connects directly to your choice of small video cameras and has a video and an audio output which can be plugged into a VCR or a TV (if your TV has audio and video jacks on it ). How It Works: The circuit is powered by a 12 to 15 volt supply, used to operate the camera as well as the rest of the circuit including the optional infra-red LEDs. U1 and D1 regulate the DC supply voltage to 9 or 12 V for use in the circuit. Video is fed directly from your camera module to the video output jack, J2. Microphone audio is amplified by Q1 and Q2 and fed to audio output jack J3. Test points E and F allow for connection to infra-red LEDs if so desired. Optional R10 and R11 are current limiting resistors. An interesting note: Because it uses state-of-the-art CCD (charge coupled device) technology, the IB1 is extremely sensitive at low light levels, even at infrared wavelengths. It’s possible to view the IR coming from your TV remote control with the IB1. Also, the IB1 can be placed behind a piece of dark Plexiglas, blocking visible light while allowing infra-red through...what an idea for covert surveillance! Kit building tips: Use a good soldering technique - let your soldering iron tip gently heat the traces to which you are soldering, heating both wires and pads simultaneously. Apply the solder to the iron and the pad when the pad is hot enough to melt the solder. The finished joint should look like a drop of water on paper, somewhat soaked in. Mount all electrical parts on the top side of the board provided. This is the side that has no traces or pads on it. Electrical part installation - when parts are installed, the part is placed flat to the board, and the leads are bent on the backside of the board to prevent the part from falling out before soldering. The part is then soldered securely to the board; the remaining lead length is clipped off. IB-1 • 4 IB1 Parts List: It is a good idea to check off the components in the boxes provided and to separate them as you go along. This will save hunting for specific components later. RE...