This weekly report summarizes the progress of an engineering team developing an air purifier. The team completed adding four functioning modes to control sound, motor speed, and light. However, adding a moisture mode was removed upon consultation. The engineering students designed circuits for touch controls, mood lighting, sound, power adapter, air purification, and a microprocessor. Consultation determined the team should use a PIC microprocessor. Moving forward, the engineers will study an example air purifier to learn more details and continue improving circuit design and component selection.

1. [INC 281 MULTIDISCIPLINARY WORKSHOP WEEKLY REPORT] March 14, 2012
Name-Surname Teema Leangarun
Student ID. 53211817
Group Name 361 Degree Happiness Company
Engineering Baitong 53211802
Team Members Toey’ 53211807
Bank 53211814
Pui 53211838
Product Design P’Platong
Team Members P’Earth
P’Ka-tai
P’Klao
P’Chompoo
Weekly Progress
This Weekly, our team had complete function in air purifier. In the first time, our product had
made to moisture mode but engineer students consult with Aj.Panuthat, he recommended about
moisture could’t made in our product. Now,The last function had 4 mode and in one mode had one
sound , one speed of motor and one light. In scent , ID students want to user select by themselves
because if we set default but user maybe don’t like it.
Engineer students consulted about all circuit
in air purifier compose of touch switch circuit ,
mood light circuit , sound circuit , adapter , air
purify and micro processor for control in all
product. For micro processor, we consult
Aj.Pornpoj , he told our used ‘pic’ comport for
beginner so we will choose to used ‘pic’ but we
didn’t know number of input and output exactly. In
another part, we learned circuits and designed by
ourselves.
Figure1. Mood light
Engineering Analysis
Strong Point
- Now, we got all complete function so we studied and designed in all circuit and we could
rough size all circuit with ID students.
Weak Point
- I think, we worked to designed and select device in circuit delay time. We should speed up to
work more and more because we maybe made circuits none complete at a given time.
- We should know number of input and output for micro processor because it is new for my
team and it must study more than time.
Next Week Job
Engineer students got air purifier from TOSHIBA, we will study about detail in air purifier
example touch switch, motor, adapter, sensor ,etc.
Department of Control System and Instrumentation Engineering
KING MONGKUT’s UNIVERSITY OF TECHNOLOGY THONBURI

2. [INC 281 MULTIDISCIPLINARY WORKSHOP WEEKLY REPORT] March 14, 2012
Department of Control System and Instrumentation Engineering
KING MONGKUT’s UNIVERSITY OF TECHNOLOGY THONBURI