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“In optical microscopes, there is a fundamental trade-off between field-of-view and resolution: the finer the detail, the smaller the region imaged by the microscope. One way to overcome this limitation is to translate the sample and acquire images over a …
“Researchers at EPFL have developed a simple mid-infrared laser source that can be used to detect pollution in the air or molecules in someone’s breath. Their system takes up considerably less space than the large ones typically used for …
“This guide has all the information you need to create a very capable, pocket sized sensor. To get the most out of our DIY air quality sensor, we need it to be: Pocket-sized Battery-powered Have a charging circuit included Connected …
“Hello guys if you are electronics guy like me and making projects for learning and fun, so many time you need to cut some wire for the project, as feel so bored to always cut wires manually because I need …
“Hi everyone welcome to our new instructables today’s project is a mini CNC plotter which have been made using old recycled scratch materials so let’s see how it’s made”
“Scientists at the University of Virginia and elsewhere have made a surprising discovery about how strange bacteria that live in soil and sediment can conduct electricity. The bacteria do so, the researchers determined, through a seamless biological structure never before …
“Long-haul trucks with electric motors combined with gas-alcohol engines could slash pollution levels and greenhouse gases. Heavy-duty trucks, such as the 18-wheelers that transport many of the world’s goods from farm or factory to market, are virtually all powered …
“Keep track of air quality with pretty graphs These are my prototypes of an IOT air quality monitor primarily based on the ESP32 and CCS811 sensor. They’re meant for indoor use. They are not the prettiest at the moment …
“As I was finalizing design decisions for an upcoming ESP32 WiFi Kit 32 based project requiring three button input, one noticeable problem was that the WiFi Kit 32 does not possess a single mechanical pushbutton, yet alone three mechanical buttons …
“Etch-A-Snap is (probably) the worlds first Etch-A-Sketch Camera. Powered by a Raspberry Pi Zero (or Zero W) it snaps photos just like any other camera, but outputs them by drawing to an Pocket Etch-A-Sketch screen. Quite slowly. Photos are processed …