4. If manufactured on a commercial basis:
Estimated number of devices sold per year: 20
Estimated manufacturing cost for each device: $60
Estimated purchase price for each device: $70
Estimated labor cost: $100
Estimated profit per year: $100
Estimated cost for user to operate device, per unit time (specify time interval): $0
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5. Environmental
There are no real environmental impacts other than the resources used to create the components, which contain
silicon. There may be very little impact due to the radio waves that are needed to lock and unlock the door, but this
should have minimal impact. This project directly uses silicon and neither harms nor improves natural resources.
The amount of components used is tiny and insignificant to other species.
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6. Manufacturability
The manufacturing process will be difficult for mass production. This is due to the installation process which may be
difficult for some consumers. The parts themselves should be simplistic enough to manufacture since the majority of
it is software. This will involve in either more labor or more manufacturing costs.
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7. Sustainability
The device will mostly be self-sustained and will not require user/owner maintenance. The only resource required
for the project will be power from an outlet.
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8. Ethical
The ethical implications that can arise from this project would be security concerns. Since this is supposed to replace
the standard mechanical key, there is a problem with people tampering with the door lock. If this is the case, security
can become an issue. If this does not work, the product cannot be sold. Using the utilitarianism framework, is the
lock is secure, the consumers feel better protected and we build a better reputation and will probably sell more
products.
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9. Health and Safety
As long as the product is used properly, there should be no real issues in terms of health and safety. The only
safety concern would be the possibility of hacking into the system or tampering with the RFID. If this is possible,
1-Jan
20-Feb
11-Apr
31-May
Design
RFID circuit build
Test
Voltage Regulator Build
Test
Amplifier Circuit Build
Test
Small Adjustments
20
the safety of the homeowners will be compromised. Fortunately, this system still allows for the consumer to use
the normal key for their locking mechanism and to disable any RFID key locks.
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10. Social and Political
The design and manufacturing of this RFID door lock may increase the usage and creation of multiple chips and
transistors. This project impacts the consumers and they are the stakeholders. If the project is successful in what it
does, it will provide adequate security as well as a sense of safety in the stakeholder’s own home. However, this
project could harm the stakeholders if the device is not reliable or secure. Assuming the device is the same for all,
all stakeholders should have equal benefits.
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11. Development
Important topics that require independent study are creating a secure electrical system that can’t be brute-forced,
creating the necessary RFID signals, and creating the software that will be used with the specific microprocessor. A
list of the sources used as research in all types of door locks can be found in the References section.
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