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Recent content by Mickey_2006

  1. M

    No signal of finished conversion while using AD7731

    Re: 8051 and AD7731 Here are the functions: void fnSendByteAD7731 (unsigned char byte) { unsigned char cnt; for (cnt = 0; cnt < 8; cnt++) { AD7731_DATA = (byte & 0x80) == 0x80; AD7731_SCLK = 0; fnWait1ms (); AD7731_SCLK = 1; fnWait1ms (); byte = byte << 1; } AD7731_DATA...
  2. M

    No signal of finished conversion while using AD7731

    ad7731 Im' using AD7731 converter with T89C51AC2 microcontroller and I get no RDY pulled down (signal that conversion is finished): This is the code I use: (POL pin is tied HIGH) any ideas why? Does anyone have code for driving AD7731? fnSendByteAD7731 (0x02); // Next write to...
  3. M

    temperature indicator measurement circuit

    Hi. Does anyone have any such schematic that he can share with other? It should be able to measure mV, V, mA, Pt100 resistance. I'm thinking of using AD654 (V/f converter). Mickey
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