Friday, 25 November 2011

FINAL CIRCUIT DESIGN AND CURRENT MEASUREMENTS OF DATA LOGGING CIRCUIT

I have finished designing the data logger. I also measured the current draw of the main components of this circuit.

Arduino                                         47mA
Lm324 (Quad Op-amp)               1.5mA
Lm35 (Thermistor)                        15mA
24L256 (EEPROM)                     33mA
Mx210A (accelerometer)                3mA
MPX100 (barometer)                   10mA

TOTAL                                   ~ 110mA

The circuit design is as follows and the code remains the same as it was in the last post.


Note: there is supposed to be a logic switch on pin 14 and pin 15 of the arduino which tell the arduino whether to begin writing data or to read data (this process is in the code)

1 comment:

  1. Superb and such a nice printed circuit board layout design work. i will bookmark this pot post for my future help.
    Printed Circuit Board

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