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ZX Spectrum CPLD-based clone for rubber case

“Another CPLD-based ZX Spectrum clone for 48K rubber case with some sweet features. Tech specs - Half-sized PCB for 48K rubber case, case modifications isn’t necessary - Pentagon, Spectrum 128K and Spectrum 48K timings - Altera EPM1270 CPLD - Real Z80 in …

Active Rectifier Controller with Reverse Protection for Battery and Solar cell

“This demonstration circuit is an active rectifier with reverse protection for batteries in automotive applications. The project is designed for 5A load current. Two clamping diodes, D1 and D2, are used on the board to protect the IC from overvoltage …

AI- Personal Fitness Trainer

“AI based fitness trainer. It can be considered as your personal fitness trainer. This project is a AI based fitness training. Recently lot of people facing many health issues due to the lack of physical activity. Not getting enough physical …

Algorithm Uses Mass Spectrometry Data to Predict Identity of Molecules

“New method saves time, money in developing new drugs An algorithm designed by researchers from Carnegie Mellon University’s Computational Biology Department and St. Petersburg State University in Russia could help scientists identify unknown molecules. The algorithm, called MolDiscovery, uses …

An artificial leaf made from semiconducting polymers

“EPFL scientists are generating oxygen from sunlight, water and semiconducting polymers. They present a promising way towards economical and scalable solar fuel production. Natural photosynthesis evolved to covert water and sunlight into oxygen (O2) and stored chemical energy. In plants …

Arduino DVD motor

“Driving DVD motor using an arduino UNO and motor shield In this project I am going to Drive SLED-Motor and SPINDLE-Motor of a DVD player using an Arduino Uno and An Adafruit Motor Shield. So Let’s get …

Arduino M&M Color Sorter

“Are you tired of sorting your m&ms by hand? Looking for a silly way to spend your time and 3D printer filament? Then this is the Instructable for you. This is a project that I built for one of …

Atomic-scale tailoring of graphene approaches macroscopic world

“Properties of materials are often defined by imperfections in their atomic structure, especially when the material itself is just one atom thick, such as graphene. Researchers at the University of Vienna have now developed a method for controlled creation of …

ATtiny85 - Spectrum Analyzer on RGB Led Matrix 16x20

“Continuing with ATtiny85, today I’d like to share how to build a music spectrum analyzer on 16x20 RGB led matrix. The music signal FFT transformation and LED Bit Angle Modulation are all carried out by one DigiSpark ATtiny85. Main …

Audio Visualizer using Raspberry Pi

“Project that creates a play of lights on the led strip according to the sounds captured around it. In general, people love music, and also the lights, that’s why we thought of uniting them and getting to create this …