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Thread: HVAC Control on Car PC through Serial Port.

  1. #161
    FLAC Mastero's Avatar
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    The software is fully skinable.. thanks to confused for that. where ever he is cant find him anymore.

    The full Vb source shall be released.

    As for adding extra things you shall have two extra ports but no relay shall be there you shall just have the ouputs so you can connect the relay ground to it and it shall work like on and off DONT FORGET THE DIODE ON THE RELAY.

    Description:

    The unit has three servo controller on board.
    a) For vent position
    b) For Circulation Position
    C) Temp position

    All these if i am not worng are basicly flaps controlled either by cables or vacums. So one has to find the flaps and add a servo there to it so you can move it with the unit and software.

    The unit has can be controlled via a remote control also only basic feature. No servo controled via remote so if the pc breaks down on a hot summer afternoon you still can control it via the remote..

    Has a external two digit LCD displaying the temp and fan speed when the fan setting is changed also when the cutoff temp is chaged up or down.

    Can be connected to the pc with a max of three wires or min of two RX and Ground.

    Features:

    The unit will controll the HVAC of the vehicle, you can set the desired compresser cutoff temp by setting it via the software.

    The temp details shall be displayed on the external display 16 ~ 32 deg

    The fan shall have four stage Auto, 1, 2, 3 when the compressor is on the LED will be lit and the fan can go to the auto mode if the compressor is of the fan will move only 1~2~3 there shall be no auto mode as there is no compressor for cooling.

    The vents are controlled via the mode button when pressed it will move the servo in the perdefined position WHICH YOU WILL HAVE TO SET VIA THE SETTING SOFTWARE"

    For the cold places where the temp really drops and you guys want heat the heating servo shall have 5 stages servos shall have to predefine in setting.
    so one can add the heat to the current temp.

    Recirculation can be controlled from the software there are only two setting for the servo so it can move from Incirculation or out circulation. Servo position again has to be perdefined in the settings page.

    Package:

    Ready to use tested unit

    Cable from unit to Display

    Two DB9 Connectors for Unit and PC (You will have to make your own cable very easy only two wires required)

    Numeric two digit LCD mounted on seperate PCB

    Analog sensor for temp reading.

    Remote controler unit (not to impresive looking)

    Power 12v unregulated supply from the car battery.

    All this for 100 euro (Shipping, paypal, packing etc.. included)

    If you want one let me know as i am sending the PCB for making.

    Shall post pics soon .

    Cheers
    Mastero

  2. #162
    Variable Bitrate markland556's Avatar
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    ill take one as soo as you can get it to me. And as for that one cable its a standard male serial to male serial cable right. DB9....
    96' Mercedes Benz C36 -Matte Black-
    Status..::... {##------}25%~~ back to planning

  3. #163
    FLAC Mastero's Avatar
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    Quote Originally Posted by markland556
    ill take one as soo as you can get it to me. And as for that one cable its a standard male serial to male serial cable right. DB9....

    Its the standard serial cable one side Male db9 to the Unit and Female DB9 to the PC. The connectors shall be supplied with housing only needs min two wires to be soldered .. I can add it to the package but the length is not sure some like it long some short depending on the pc position in the car.

    If you can give me the length then i can add it also FOC

    Mastero

  4. #164
    Variable Bitrate markland556's Avatar
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    o, thats awsome. if its just 2 wires i have plenty of cable to use then. When will these be ready to ship???
    96' Mercedes Benz C36 -Matte Black-
    Status..::... {##------}25%~~ back to planning

  5. #165
    FLAC Mastero's Avatar
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    Pic
    rest of the pic can be found here

    Anyone want one let me know ... First come first serve... Sending the pcb for making .. with masking and slikscreen
    Attached Images Attached Images  

  6. #166
    Low Bitrate
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    ill take one too..just email me the information you need. thanks

  7. #167
    FLAC Mastero's Avatar
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    Please dont mail or leave me a private msg .. If you want one just mention it here.. and i shall reserve one for you. Once i have the PCB ready then i shall require the payment ... via paypal.

    Cheers
    Mastero

  8. #168
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    alright thanks when your all set just tell me and ill send the payment...I live next to markland556

  9. #169
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    So this uses servos for temperature, vent location, and circulation (recirculate or not)... Does this mean that the fan speed is changed electrically (not via servo)? My HVAC system in my Pontiac consists of one vacuum (vent location), and three electrical (temperature, fan speed, and rear defrost on/off). Is there an option to control rear defrost?

  10. #170
    FLAC Mastero's Avatar
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    Quote Originally Posted by WxGuy1
    So this uses servos for temperature, vent location, and circulation (recirculate or not)... Does this mean that the fan speed is changed electrically (not via servo)? My HVAC system in my Pontiac consists of one vacuum (vent location), and three electrical (temperature, fan speed, and rear defrost on/off). Is there an option to control rear defrost?
    See the servo's are used because the Heat vent and circulation are basiclly a flap which is moved to do the work ... Unless your car has a electric heater for the hot air which i dont think it will its the engine coolant running to the hot coil .. and when the flap is moved it pushes the air to the hot coil and then out to the vents .. so we are controling it there only.

    The fan is controlled electricly by the unit .. and the rear defrost is controlled by on and off method.

    Mastero

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