Case Logic 10-11.9" Netbook Sleeve Stage Equipment The buzzer works by making

The buzzer works by making use of two I/O pins on a controller board to create different noises based on the different frequency of I/O toggling

this board allows you to utilize a microSD card at Arduino

there are hasps for adding optional 900-LOCK Padlocks or a tie lock when traveling

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Case Logic 10-11.9" Netbook Sleeve Stage Equipment The buzzer works by makingSeamless Impact Foam Padding Textured Woven Webbing Along Sides Zippered Closure Lightweight 0. 3 lb The 10 11. 9" Netbook Sleeve from Case Logic is designed to hold most devices that measure up to 11. 9 x 1. 5 x 8. 3". It's a seamless, top to bottom Impact Foam padded sleeve made from EVA (ethylene vinyl acetate). This protective sleeve features a zippered closure along the top as well as textured woven webbing along the edges. At only 0. 3 lb, this