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“I’m working on designing an open source 3D-printable keyboard switch at the moment, with a view to eventually making my own mechanical keyboard using minimal off-the-shelf components (just an Arduino, wire, and diodes, with homemade parts for switches, keycaps …
“AutoSteri is a small and compact automatic UV sterilization system that uses a PIR to detect a human and cleans when they leave. The system uses a PIR sensor to detect the presence of a person and then after it …
“This project aims to create a gadget that reads the 2D barcodes of the products I want to add to my shopping list. (Bring! Shopping List App). The gadget is built with an M5StickC + a 2D barcode reader with a …
“Understanding hardware errors helps stabilise quantum tech PhD candidate Riddhi Gupta has taken an algorithm used in autonomous vehicles and adapted it to help characterise and stabilise quantum technology. Scientists at the University of Sydney have adapted techniques from autonomous …
“A chaotic oscillator is an electronic circuit that can exhibit “chaotic“, nonperiodic behavior. A commonly cited example is Chua’s circuit, but there are many others. I always regarded these as carefully designed, rather academic, examples. So I was a …
“First isolated in 2004 by physicists at the University of Manchester using pieces of sticky tape and a graphite block, the one-atom-thick carbon allotrope graphene has been touted as a wonder material on account of its exceptional electrical, thermal and …
“Computers are renowned for flexibility, running everything from game consoles to stock exchanges. But at the level of computation, most computers rely on arrays of identical processors called cores. Now, a team at Princeton University has built a hardware platform …
“FFT spectrum analyzer is a test equipment that uses Fourier analysis and digital signal processing techniques to provide spectrum analysis. FFT spectrum analyzer is a test equipment that uses Fourier analysis and digital signal processing techniques to provide spectrum analysis …
“Tired of spending half an hour shaking a vat of Ferric Chloride? Build your own DIY Low-Cost PCB Shaker! It’s a very cheap and simple project that only requires common materials. The machine can reduce etching time of Ferric …
“This Instructable shares some ideas on building a simple small and cheap incident lightmeter. The goal for me was a light-meter to accompany my Bronica ETRSi medium format film camera. Things i wanted it to feature: single ASA (100) because …