Make a cold beverage using thermoelectric cooling

Our friend John Park, maker of delightful electronic curiosities, has just posted a new tutorial. This time, he shows you how make a beverage cooler using using a thermoelectric cooling assembly.

Make a nice, cold beverage using thermoelectric cooling! Peltier cooler + Trinket M0 + CircuitPython = refreshing drinks! This project uses a thermoelectric cooling assembly to turn electricity into coldness!! That chill is transferred to your beverage of choice via thermal conductivity, and then transported safely to your drinking glass with a peristaltic pump. Ahhhh.

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Control devices wirelessly up to 2 kilometers away with this DIY project

My friend, John Edgar Park, has a video about low-bandwidth, long-range packet radio signals, which he uses to make a remote effects trigger box. Really cool! Read the rest