An hourglass tells you what it is in the name — a glass that you use to measure an hour of time passing by. [EDISON SCIENCE CORNER] has built a digital project that mimics such a thing, with little ...
A mosquito proboscis repurposed as a 3-D printing nozzle can print filaments around 20 micrometers wide, half the width of a ...
Inkjet or laser? Need just printing, or have to scan and copy, too? Seeking low-cost ink, or a low-cost printer? Here's how to choose the right printer for home or work, backed by our top lab-tested ...
Ever wanted to just plug something in and conveniently read the hostname and IP addresses of a headless board like a ...
Holiday greeting cards that feature your own photos are much more meaningful than generic ones from the store. We rate the top services for creating unique cards and personalized gifts. I've been ...
SERVER Ecowitt sources (e.g. WN36 array, WN34 temp sensors) measure weather variables and send via. rf 866 mhz (OTA up to 100m) to Ecowitt sinks Ecowitt sinks (e.g. WS3900 console, GW1100 gateway) ...
The H32 by Burgduino is an ESP32-board with a lot of functionality, most importantly it features a low-power current of only 250nA, which is unbelievably low for an ESP32-board. It reaches this low ...
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