Week Six Updates

This week the amplifier was built. The amplifier is used to increase the biological signals by a multiple so they can be more easily read by MATLAB. The components were soldered onto a circuit board. The green LED lights light up depending on which gain resister the switch is set to. The data-aquisition system was connected to MATLAB through the computer and the drivers needed for the data-aquisition system were installed. The algorithm for MATLAB is now able to control the volume. It was originally thought that volume would not be able to be controlled because Foobar2000 uses a slider to control the volume, however it can be controlled up or down using a simple MATLAB command.

Amplifier connected to a 9V battery