FREE SCHEMATIC DIAGRAMS
Click on the links below to download PDF files showing schematic diagrams, parts lists, and theory of operation.
New projects will be added as they become available.
If you don't have Acrobat Reader, download a free copy so you can view and print our PDF documents
All of these projects have been built. Some have been in operation for months or years.
Kits of parts are NOT available for most of these projects but some special parts can be ordered from Glolab.
Send questions or comments to W2FHB@glolab.com
Direction sensing motion detector -
Detects motion and indicates the direction that a human or
animal is moving (left or right). 12 pages. This project is not
available as a kit of parts.
Micropower Wireless Motion Detector Transmitter - Senses motion up
to 90 feet over a narrow field of 10 degrees. 15 pages.
This uses a wireless
transmitter module and must be used with a wireless receiver.
Picture.
Four Channel Wireless Transmitter and Receiver - The
transmitter has four data inputs and the receiver has four open collector outputs.
18 pages.
HTML Encoders and Decoders - Selector guide ~ links to pages that tell why you need Encoder and Decoder ICs in your Wireless system. Application circuits.
Pyroelectric Infrared Sensor and Fresnel lens manual - Design and build an
infrared motion detector for your robot. Sensor specifications, drawings and an
application schematic. 12 pages.
HTML How Infrared motion detectors work - Tells how Pyroelectric sensors and Fresnel lenses are used in motion detectors. (same as sensor manual above)
Infrared Motion Detector
- Pyroelectric infrared sensor and associated
circuits detect infrared radiation from human or animal body. General purpose
motion detector with normally open relay output. 16 pages.
418
MHz RF Modules - Use these miniature modules to make your robot or other project
wireless. Includes application schematics. 916 MHz
Modules with built-in encoder/decoder.
Talking Phone Dial Monitor - Speaks the
numbers that you dial as you dial your telephone. 5 pages.
Not available as a kit of parts.
Universal Telephone Hold -
Place any phone in your house on hold - even cordless phones. 7 pages.
Not available as a kit of parts.
VideoWire - Run camera video and camera power up to
2000 feet over ordinary four conductor telephone wire. 12 pages. Picture.
Not available as a kit of parts.
Video Switcher - Automatically or manually
switch the outputs from up to four cameras into one video monitor. 8 pages.
Not available as a kit of parts.
Remote two wire
positioner - Send
power to a remote stepper motor and also control its rotation and speed over only two
wires. Not available as a kit of parts.
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