Radiator Fan Temperature Controller

Discussion in 'General Motoring' started by Mark, Feb 17, 2005.

  1. Mark

    Mark Guest

    Fed up with replacing the Thermostatic Switches in the bottom of my
    (Isuzu 1.5TD GLS) Corsa's radiator, so I designed a Microprocessor
    controlled box which switches the fan electronically (in 8 different
    speed stages), uses the sensor feeding the Temperature gauge, so needs
    just 3 wires to connect. 1. the the high speed fan connection of the
    Thermostatic switch connector, 2. for the Ground connection and 3. for
    a permanent +12V supply. Kicks in at 1/5th speed at 91o and full speed
    at 96o. After spending so many hours designing it, and getting the
    firmware right, thought it might be a reasonable idea to offer this as
    a commercial product (should sell for about £25), is there any
    interest? please let me know.

    Mark in Spain
    (remove the X to reply)
    Phone/Fax 0034 964 328 153
    Mark, Feb 17, 2005
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