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Ignition Coil Driver - This is a high energy ignition coil driver
circuit capable of running from AA batteries. WARNING:This circuit
contains voltages... [Circuit designed by Robert Dvoracek 25-7-05 ] |
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Implementing Temperature-Based Variable Fan Speed Control in NLX Power
Supplies - Microchip Application Note Published 4-Feb-03 (app
note added 6/06) |
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Improve FET-based gain control - 6-Dec-01 Issue of EDN One
problemwith standard FET gain-control circuits is increased noise when you use
the FET as a part of a resistive attenuator in series with an op amp.
This configuration attenuates the signal before amplification; hence, it
requires much higher gain bandwidth and better noise performance from the op
amp.... [Design Idea by Ron Mancini, Texas Instruments, rmancini@ti.com] |
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Incline Railway Circuit - The drawings and photos below are for an
operating incline railway that was built by the London Model Railroad Group
for its 'O' scale model railway club located at London, Ontario, Canada.
This is a single car model loosely based on a double car incline that operated
at Port Stanley, Ontario. [from Rob Paisley's Model Train web site] |
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Increasing the High Speed Torque of Bipolar Stepper Motors -
National Semiconductor Application Note (app note added 2/06)
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Induction Motor Conversion This was a little project to convert a small
induction motor to a permanent magnet windmill. |
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Industrial Controls - Intersil Application Block Diagram (app
note added 6/06) |
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Inexpensive Logic Controls Stepper Motor - 03/26/98 EDN-Design Ideas
A number of sophisticated ICs for stepper-motor control are now available.
However, the advanced features of these chips--self-clocking, high-current
drive, and full-step, half-step, and direction control--are often unnecessary
or remain unused. For a design that needs to control…. [Design Idea by David
Ellis, Ellis Lindauer, Pullman, WA] |
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Infa-Red Remote Control - [Site is under construction right
now] |
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Infra Red Remote Control Extender (Andy Collinson) - This circuit is
used to relay signals from an Infra Red remote control in one room to an IR
controlled appliance in another room…..(electronic design added 6/07)
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Infra Red Switch (Andy Collinson) - This is a single channel (on /
off) universal switch that may be used with any Infra Red remote control using
36-38kHz. (This is a very common remote handset frequency). In place of IR1 a
TSOP1738 receiver may be used. (electronic circuit added 7/03)
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Infra Red TV Extender - Circuit designed by Guy Bocquillon added
01/2010 |
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Infra Remote Control Tester (Andy Colllinson) - This circuit is the
result of my research. I have used a photodiode, SFH2030 as an infra red
sensor. A MOSFET opamp, CA3140 is used in the differential mode to amplify the
pulses of current from the photodiode. LED1 is an ordinary coloured led which
will light when IR radiation is being received. The output of the opamp, pin 6
may be connected to a multimeter set to read DC volts. Infra red remote
control strengths …. (electronic design added 6/07) |
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Infrared Circuits for Remote Control - (electronic circuit added
4/05) [Peter Jakab, Electrical Engineer, Engineer of Informatics] |
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Infrared gate 2 - This is an infrared gate with two sensors planned
to use in the wall in the way behind a door. It can be applied in a toilet to
keep track of that someone is inside exceeding a certain amount of time. After
that time elapsed, the circuit triggers the digital output wich can turn on a
ventillator. The time period.... [Peter Jakab, Electrical Engineer, Engineer
of Informatics] |
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Infrared Receiver for Sony Remotes - receive signals from a standard
Sony remote control and send the code bytes(2) received to an RS-232 port,
based on PIC16C84 (added 4/02) |
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Infrared Remote Control - This circuit will allow you to turn on any
piece of equipment that operates on 115 volts ac. The receiver circuit is
based on the Radio Shack infrared receiver module (MOD), part number 276-137.
It is also …. [Circuit design by Randy Linscott] |
