08 Nov

Hoeken's linkage update

Jerry Duan

For the last two weeks I've been working on implementing Hoeken's linkage out of paper. Hoeken's linkage is a four bar mechanism that converts rotational motion to approximate straight line motion. The diagram is shown below: The length of these arms follow a certain propotion shown in the diagra...

25 Oct

Use PLX-DAQ to transform data between Arduino and Excel

Jerry Duan

Last week, I assembled the first prototype of the load cell system. It was able to read the force applied to the sensor and send the data to Arduino serial terminal. However, it's still a bit inconvenient to process the data like plotting or doing mathematic operations in the serial terminal. With P...

17 Oct

Load Cell System Update

Jerry Duan

On Tuesday I finished the assembly of the load cell based automatic force measuring system: After testing, the prototype can automaticlly measure small scale force up to 100g with precision up to 0.01g (I am still working on improving the resolution of the system). Here are two images for measur...

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