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Articles 1 - 4 of 4
Full-Text Articles in Engineering
Oversubscribing Inotify On Embedded Platforms, Donald Percivalle, Scott Vanderlind
Oversubscribing Inotify On Embedded Platforms, Donald Percivalle, Scott Vanderlind
Computer Engineering
For most computers running the popular Linux operating system, the inte- grated kernel component inotify provides adequate functionality for monitor- ing changes to files present on the filesystem. However, for certain embedded platforms where resources are very limited and filesystems are very populated (like network attached storage (NAS) devices), inotify may not have enough resources to provide watchers for every file. This results in applications missing change notifications for files they have watched. This paper explores methods for using inotify most effectively on embedded systems by leveraging more la- tent storage. Benefits of this include a reduction in dropped notifications …
Programmable Coffee Roaster, Steven Jack
Programmable Coffee Roaster, Steven Jack
Computer Engineering
The rise of the third wave coffee movement has led to the desire for fine-tuned control over the quality of roasted coffee. This project explores modifying a toaster oven into a personal home coffee roaster for hobbyist use.
M-1: The Mealy Open Source Custom Midi Controller, Garrett Leung, Darren O. Mistica
M-1: The Mealy Open Source Custom Midi Controller, Garrett Leung, Darren O. Mistica
Electrical Engineering
With the high price of large mixing consoles, aspiring artists are restricted to using a mouse to control digital facsimiles of knobs, faders, switches, and buttons. Though using the software controls is considered a simple task, dedicated hardware allows for tactile, visual, and utility. At a low cost, the heart of the MTech M-1 can be customized and placed into any shell with any combination of controls as possible with the underlying platform.
Modern MIDI controllers require significant physical space due to their preset button layout and space consuming setups. Despite their high price, modern MIDI controllers have only one …
Design And Fabrication Techniques Of Devices For Embedded Power Active Contact Lens, Errol Heradio Leon
Design And Fabrication Techniques Of Devices For Embedded Power Active Contact Lens, Errol Heradio Leon
Master's Theses
This thesis designed and fabricated various devices that were interfaced to an IC for an active contact lens that notifies the user of an event by detection of an external wireless signal. The contact lens consisted of an embedded antenna providing communication with a 2.4GHz system, as well as inductive charging at an operating frequency of 13.56 MHz. The lens utilized a CBC005 5µAh thin film battery by Cymbet and a manufactured graphene super capacitor as a power source. The custom integrated circuit (IC) was designed using the On Semiconductor CMOS C5 0.6 µm process to manage …