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3 Phase AC input – DC Output – High Voltage DC Power Supply (2KW)

“Although this power supply design is specific to the Intelligent Power Modules (IPM) VFD drives, high voltage boost converters, high voltage battery chargers, etc, the concept and circuit design may be used for any power supply that requires a high …

300W Off-line Power Factor Correction (PFC) Boost Converter

“The circuit presented here is a 300W off-line power factor correction (PFC) boost converter providing a nominal regulated output voltage of 375V @ 0.8A of load current. The project accommodates an input voltage range of 85V AC to 265VAC and …

600V – 30A IPM Module Carrier Board for Variable Frequency Drive (VFD)

“This compact IPM module circuit provides a fully-featured, high-performance inverter output stage for AC Induction, BLDC, and PMSM motors. The circuit is based on FNA23060 chip which integrates the optimized gate drive of the built-in IGBTs to minimize EMI and …

Advancing to the core thanks to marsquakes

“Researchers at ETH Zurich and the University of Zurich have been able to use seismic data to look inside Mars for the first time. Marsquakes recorded by NASA’s InSight lander provided information about the structure of the planet’s …

Antimatter from laser pincers

“Research team develops new method to study astrophysical processes in the laboratory In the depths of space, there are celestial bodies where extreme conditions prevail: Rapidly rotating neutron stars generate super-strong magnetic fields. And black holes, with their enormous gravitational …

Arduboy Extended

“Porting Arduboy to SAMD51 MCU and ILI9341 TFT display using Wio Terminal. Overview The Arduboy is a miniature credit card size game system with open source software, based on the Arduino hardware platform. I do not have an Arduboy but …

Arduino Powered Micro Quadruped

“From the previous projects on this page, you can probably see that I have a deep interest in robotic projects. In one of my previous Instructables, I built a quadruped robot using large heavy-duty servo motors, and this time I …

Audio Spectrum Visualiser with Colour Selection

“Choose the colours of the LED strip using Hue/Saturation/Value parameters, flick the switch and watch your music come to life through FFT. I was intrigued by the possibilities of addressable “Neopixel” RGB LEDs. I wanted to learn how …

Automatic Arduino Powered Camera Slider With Pan and Tilt

“Are you fed up of shaky footage that ruins your video? In this Instructable I attempt to address this issue by building my own automated camera slider. I used the power of CAD and digital fabrication to create a robust …

Blue Origin safely launches four commercial astronauts to space and back

“Blue Origin successfully completed New Shepard’s first human flight today with four private citizens onboard. The crew included Jeff Bezos, Mark Bezos, Wally Funk and Oliver Daemen, who all officially became astronauts when they passed the Kármán Line, the …