Monday, February 18, 2013

Rachel and Karen's Deceptive Adventures with Physiological Signals 02/16/13

Things we did:
  • Analog signal measurement and transmission
    • Got an Arduino to measure the analog input from a circuit using the +5V output and a circuit with a resistor and then send it to another Arduino
    • Used the SimpleXBeeReceive code for the receiving module
  • Battery power
    • Connected the Arduino to the 9V battery then disconnected the USB and saw that the Arduino  continued to measure and transmit signals
    • The area on the Arduino board around the battery adapter port heated up a little, but remained comfortable to touch

Things we did not do:
  • Measure biological signals
    • Surface electrical signals are way too small to be measured by the Arduino without the instrumentation amplifier and the better A/D converter, which we already knew, so yeah.

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