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

Build schematic diagram of pinch measurement

1.  Sketch circuit using diptrace

Figure : Schematic diagram of Pinch Measurement draw using
Diptrace

Design software

Design project software using Arduino Uno

1. Get know the FSR software

2. Plan to display the result

3. Construct circuit
4. Test circuit program

Figure : Testing the program for pinch measurement

Activity:

Find project's component

Circuit component

Electronic Shops : 1. Nixie Electronics (Malaysia) Sdn. Bhd.
                               2. Online Components Sdn Bhd
                               3. Maplin Electronics Sdn Bhd

Websites: 1. www.my.element14.com
                2. www.malaysia.rs-online.com
                3. www.cytron.com.my




Force Sensitive Resistor

FSR 402 model

Web:     1. Adafruit Industries - adafruit.com
             2. myduino.com
             3. www.cytron.com.my

Circuit Selection

Activity:

Circuit Selection for FYP 2

Circuit 1

Circuit 2

Circuit 2 is selected by supervisor, Encik Zulkifli Mahmoodin

Objectives

—To measure pinch force by a standard measurement system.

—Reduce failure when taking a measurement

—Friendly use to clinician or therapist and home patient usage.

Problem statement

Activity: Discuss on problem statement for pinch meter

—Previous pinch meter is an analog.
—Difficult to read and collect data.
—Failure of reading taken.
—High cost.