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Build & Test Prep

Table of Contents 1 Accomplishments during this Phase: 2 Test Plan Summary 2.1 Instructions 3 Risk and Problem Tracking 4 Design Review Materials 4.1 Interfacing Board Circuit Analysis 4.2 Interfacing Board Circuit Modeling 5 Plans for next phase 5.0.1 Elijah: 5.0.2 Alex:

Accomplishments during this Phase:

• Working on SBC software application (Alex)
• Changed plans to use Raspberry Pi 4, as it meets more of our needs than our current LibreComputer SBC. This change is because the Pi 4 was just released over the summer, and was not available when we originally selected our SBC. (Alex)
• Working on "rooting" Blu smartphone to allow for disabling of cellular communication (Elijah)
• Creating initial messaging app (Elijah)
• Updated components for interface module, ran additional simulations (Zheng)
• Will test interface module circuit on breadboard once our workbench is available (Zheng)
• PCB layout for interface module complete (will order once breadboard testing is complete) (Zheng)
• Has been trying to get workbench in EE lab for testing & development, still waiting on lab manager (Dania)
• Have been updating BOM with materials for enclosure's front panel ports, new SBC, etc. (Dania)
• Decided to 3D print primary enclosure. Will confirm this is possible once we confirm final dimensions of interior components (Grace, Dania, Alex)
• 3D-Printed several scale models of enclosure (Grace)

Test Plan Summary

Use your test plan to summarize test results and assess effectiveness of test plans to unambiguously demonstrate satisfaction of the engineering requirements

Test Plans for Engineering Requirements

• Tests #1 & #2: Are Landline Phones and Wired Flip Phone Connected Properly?
  1. Plug phones into device
  2. Run simulation
  3. Check if audio is transferred successfully
• Test #3: Is Smart Phone Connected Wirelessly Properly?
  1. Turn on smart phone
  2. Enable bluetooth
  3. Run simulation
  4. Check if audio and messages are transferred successfully
• Test #4: Is Trainer Headset Connected Properly?
  1. Plug headset into device
  2. Run simulation
  3. Check if audio is transferred successfully
• Test #5: Are Trainer’s Keyboard and Monitor Connected Properly?
  1. Plug in keyboard and monitor
  2. Run simulation
  3. Check if monitor displays correctly
  4. Check if keyboard inputs successfully
• Tests #6 & #8: Is HDMI Video and Audio Output Working Properly?
  1. Connect HDMI output device
  2. Run simulation
  3. Check if visuals and audio are working properly
• Test #7: Is Speaker Output Working Properly?
  1. Connect speaker
  2. Run simulation
  3. Check if sounds are emitted properly
• Test #9: Does the device have proper dimensions?
  1. Take out measuring tape
  2. Measure device height, width, and depth
• Test #10: Does the device have proper weight?
  1. Put device on scale
  2. Record weight
• Test #11: Can the Smart Phone Dial 911 From the Lock Screen?
  1. Turn on smart phone
  2. Check if dialer is available
  3. Call 911
  4. Check if simulation occurred
• Test #12: Does the device draw power from a standard wall outlet?
  1. Plug device into the wall
  2. Power on the device
  3. Check if it is working
• Test #13: Is audio intensity correct:
  1. Turn on device
  2. Initiate call from one of the phones
  3. Measure audio output using decimeter app, audiocheck.net, youlean.co/online-loudness-meter, Decibel X app
• Test #14: Is the device projection visible from 57.5 feet away (20/20)
  1. Power on device
  2. Have someone with 20/20 vision stand 57.5 feet away
  3. Confirm if they can see the projection well
• Test #15: Does Software Capture Numbers and Texts on All Phones for Projection?
  1. Start simulation
  2. Dial 911 or text message 911
  3. Check if numbers and messages are displayed
• Test #16: Does Messaging Application on Phone Simulate Texting?
  1. Run simulation
  2. Unlock smart phone
  3. Open messaging app
  4. Text 911
  5. Check if message was processed in simulation
• Test #17: Optimal maximum distance between trainer and participate is obtainable?
  1. Have someone holding trainer headset stand as far away from the device as possible
  2. Have someone holding landline stand as far away from the device as possible
  3. Measure distance between them
• Test #18: Does the Device Not Actually Call a 911 Response Center During Simulations?
  1. Call the 911 emergency response center’s non-emergency number 3-1-1.
  2. Inform them that we will be performing tests
  3. Dial 911 on simulation’s phones
  4. Check if simulation occurred or phones accidentally dialed the emergency center
• Test #19: Is the projector working properly?
  1. Plug in projector
  2. Turn on device
  3. Check if screen is projected properly

Instructions

1. Ensure test plans are in place
2. Ensure that all applicable test standards have been cited (e.g., ASTM)
3. Ensure all ordered materials have been received
4. Ensure team has space and equipment necessary to begin building and testing

Risk and Problem Tracking

Design Review Materials

Interfacing Board Circuit Analysis

Interfacing Board Circuit Modeling

Plans for next phase

• As a team, where do you want to be in three weeks at your next review?

• As an individual on the team, what are you doing to help your team achieve these goals? (Use the individual 3-week plan template for this)

Elijah:

• Rooting Blu Vivo 5
• Developing Android Bluetooth Messaging App

Alex:

• Continue developing SBC application
• Test SBC audio mapping inputs/outputs

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