Build Prototype

Activity:

1. Understand the sketch of circuit diagram.

Figure 1: Schematic Diagram of Pinch Measurement

Figure 2: Sketch on OHP plastic paper

2. Stick the schematic diagram on PCB and iron it

Figure 3: Schematic circuit on PCB

3. Etching process

Figure 4: Etching process

4. Drilling process

Figure 5: Drilling process

5. Soldering process

Figure 6: Soldering process

6. Construct prototype

Figure 7: Prototype construction

7. The hardware of pinch measurement

Figure 8: The actual hardware of pinch measurement