Week 7, 3 March

I fabricated my 4-layer-board in 4 different boards, in NUS Fabrication facility. This is to verify that all my PCB footprints' size and all my routings are correct.

After verifying, I can proceed with sending out my PCB for fabricating.

There are also 2 valves in lab, so I took a look at them and tried integrating them into my current circuit. The valve is good at keeping the pressure constant, but the problem is the valve's flow rate is too low.

valve1

I will try to look into some other valves with higher flow rate.

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