Planning

I picked up the Neil's step response (transmit-receive) example as a base for this week.

I did random research on the bioelectronics sensing and accelerometer. I am primarily intersted in measuring biosignals (e.g. EEG, EMG, heartbeat etc). I found projects like FlexVolt and several instructables but did not have sufficient understanding of amplifiers and filiters to make them this week. I also thought of measuring sports activities (e.g. golf swing) with accelerometers. However, the acceleromoter was out of stock at that time and I changed the plan.

Designing, Milling and Soldering

I used the traces and interior templates on the class web site. We milled the two boards in an array for Keiichi and me. We changed the x/y zeroing point for each on the trace milling and cut-out processes.

I soldered parts as always after putting flux on the PCB and set the temperature of the soldering iron to 720 degrees.

I set the temperature of the soldering iron to 850 degrees for faster soldering and soldered the wires to the electrodes.

Programming

I did not have sufficient time this week to tweak the codes. I will play around them combining with Week 11.

Testing

Keiichi and I tried mimicking a famouns movie scene.