Poor old R2-D2, he seems to have been converted into a number of different gadgets over the years, and the latest one is this fun and functional R2-D2 USB Humidifier. This quirky device is an ideal ...

This post is a quick review and teardown of a common ultrasonic humidifier module known as an ultrasonic mist maker. There are several variants of this module sold by different vendors, but they all ...