This is the blog post for the Engineering 44 - Fly Killer. It was design and made by Miguel Equihua and Ivan Rivera. This project was extremely fun and it was nice to see all we learn being put into a physician object. I will post the pictured used from the power point and upload the video and power point file.
LINK to power point from edmondo.
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| The every circuit of it working. |
Video of everycircuit.
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| FLY KILLER! |
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| Pert Chart. |
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| Procedure |
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| Circuit |
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| Picture of the unfinished solder PCB of the circuit. |
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| Picture of the laser to kill flies. |
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| Picture of the laser modified by removing the current resistor. |
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| More pictures of the speak and laser and pot modified. |
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| Another picture of the PCB with comments. |
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| Picture of the Piezo, it would vibrate with a frequency to motivate the fly to fly around. |
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| Picture of the front view of the housing "Rave House" for the fly killer. |
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| Picture of the side view of the "Rave House" it has two speakers to pick up the flies flying. the piezo next to the Popsicle stick that would hold the food bait and the laser on top point at the food to melt the flies wings. |
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| A complete picture of the whole things. Laser shows working, pot would change the bandwidth of the frequency range. For flies its around 100 hz to 200 hz. |
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| Picture of the concept sketch with introduction and what not for each component. Artistic skills are unparallel. |
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Criteria for success:
Modify laser to melt flies wings, be able to detect flies, band-pass filter to accept flies frequency 100 hz to 250 hz, and vibrator to make flies fly in "Rave House".
Fly Killer conclusion:
Laser never strong enough to melt wings even with modification, speaker not able to dialoge and pick up the flies buzzing to pass in to the band-pass filter.
The parts that worked were the piezo vibrated when needed and the the band-pass filtering filtered correctly.
In summary this projects:
This was a fun and complicated project we needed to plan ahead, and design and then order parts and then test and then redo in till parts work. It was a real life experience to using time management with the pert chert and using circuit analysis when things aren't going your way. It used creative thinking for building and solutions the one doesn't get in a lab problem or book example. I am sad that the project didn't work as attended but I am confident to get my next project done correctly thanks to this experience.
Thank you for everything Prof. Mason. I learned a lot and it was a pleasure being your student!
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