Penn State researchers have created a washable paint-on tattoo that monitors heart, brain and muscle activity, offering a colorful alternative to bulky wearable health sensors.
XDA Developers on MSN
6 smart home devices anyone can build with a cheap ESP32 and an even cheaper sensor
These are some great DIY projects that you can do for cheap.
Your old Raspberry Pi and E-Ink display are about to become way more useful ...
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