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“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 …
“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 …
“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 …
“I’ve had this issue for a while where people seemingly don’t value my privacy as much as i do myself and just barge into my room whenever they feel like it without any warning. So since i had …
“Authors: Kelly Bodeman - kbodeman4@gmail.com Jack Whelan - whelanjack11@gmail.com (For more questions contact us at our emails above) Here is a link of a youtube video of our project: Connect Four Video AcknowledgmentsCalifornia Maritime Academy (Marine Engineering Technology …
“Features Constant Current, Power and Resistance modes Battery capacity logging with adjustable cutoff voltage Input and output power logging : instant efficiency reading for DC-DC converters Rotary encoder driven interface Dedicated Load ON/OFF button Intuitive LCD menu system with …
“If you follow the SparkFun Blog, you may have seen my post about my attempts to keep up with my family’s ever changing schedule. With schooling and summer camps going online and both myself and my partner working from …