The LinkSprite logic level shifter is a small device that safely steps down 5V signals to 3.3V and steps up 3.3V to 5V.
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83-14783 - FTDI Friend
Long gone are the days of parallel ports and serial ports. Now the USB port reigns supreme! But USB is hard, and you just want to transfer your every-day serial data from a microcontroller to computer. What now? Enter the FTDI Friend!
83-15597 - 64gb Compact USB Drive Attache
Store, share and transport any files such as photos, music, videos and more! with the PNY 64 GB Attaché USB Flash Drive.
I have used MCM for many years and would give high recommendation for getting the job done right.