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  1. waferstar

    Datasheets of components

    Dear, That is a 8 bit D/A converter --------------------------------------------------------- Wafer Microelectronics Co.,Ltd www.waferstar.com Extract the Code from MCU for proper use Hope cooperation at Automatic control project Automatic door sensor
  2. waferstar

    RF Remote Control

    You don't have time to order that ,but you have time to make it from the elementary component ??? I think if you don't have the special equipment,the best way is to order it .It is difficult for you to adjust the High-Frequency circuit.That need the SPECTRUM ANALYZER . My company is...
  3. waferstar

    Delay Timer !!!EMERGENCY!!!

    Of course that is on one PCB circuit. ------------------------------------------------------------------------ My Service:Extract the software for you from the MCU Spring Liu/Export Department Tel:+86-21-58314916 Fax:+86-21-58314812 Wafer Microelectronics Co.,Ltd www.waferstar.com
  4. waferstar

    Delay Timer !!!EMERGENCY!!!

    I think you can use a 555 as the
  5. waferstar

    stepdown current

    yes,agree to Ante And if you want to from 5V DC to 3.3V DC ,you also can use the diode to step down the voltages. Of couse if you use the 7805,7812,You should consider the overheated.
  6. waferstar

    Will pay for prototype

    I am specialized in  the coin selector design and also in the coin operate machines. if you have any other problem,Please let know as soon as possible. [email protected] MSN:[email protected] www.waferstar.com
  7. waferstar

    ir operated door

    That is easy. Normally ,the motor have two type : DC brush motor or DC brushless motor. You should design a controller for the Infrared sensor and the motor. If you use the DC brushless motor,should have the compent to test the direction of the Motor.such as the Hall effect sensors.If you use...
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