buck converter

A roughly three-hour screen recording of designing a barebones STM32F4 board in KiCad, covering schematic, four-layer layout and routing, USB and a buck converter. It ends with ordering manufacture and assembly through JLCPCB.

The 1965 Cambridge Union debate between James Baldwin and William F. Buckley Jr. on whether the American Dream comes at the expense of the American Negro. It is a historic recording of the two speaking.

The 1965 Cambridge Union debate between James Baldwin and William F. Buckley on race, justice and history in America. Baldwin argues that the American dream came at the expense of Black Americans.

The 4K, 60fps version of Big Buck Bunny, the Creative Commons-licensed animated short film from the Blender Foundation.

Bill Hammack of engineerguy uses slow motion video to show how the IBM Selectric typewriter works. He focuses on its fully mechanical digital-to-analog converter, which turns key presses into rotation of the type ball.

Brian Bucklew of Freehold Games discusses design decisions behind Caves of Qud and Sproggiwood at IRDC 2015. The talk centers on data-driven, event-driven engine design.

Peter Sripol builds and flies an RC aeroplane whose wings are rotating KFC buckets, using the Magnus effect (Flettner rotors) for lift. It is a hobbyist experiment in unconventional aerodynamics.

A scene from The Sopranos in which two old-school mobsters try to extort a Starbucks and learn that electronic payments leave an indisputable record of sales.

A short, absurd happy-hardcore song and animation celebrating the Bagger 288, the enormous bucket-wheel excavator, in dramatic over-the-top terms.

Cody's Lab collects a sample of dust from the side of a highway and refines it to recover platinum-group metals deposited by catalytic converters. The video walks through the chemistry of separating and assaying the precious metals.

Practical Engineering explains how continuous welded rail copes with thermal expansion by restraining it, using the relationship between temperature, stress and strain. The video is part of a series on railways.

ElectroBOOM's Mehdi Sadaghdar explains how a full bridge rectifier works, the building block of AC to DC converters, with his usual humor and a demonstration of the circuit.

Ben Eater finishes building a minimal VGA video card from logic circuits. He explains analog RGB signals, stores an image in an EEPROM and builds a simple digital-to-analog converter to display it.

Casey Neistat's short New York Times op-doc investigating how accurate restaurant and packaged-food calorie labels really are. He gets items from chains like Chipotle, Starbucks and Subway measured by nutrition researchers and compares them to the printed numbers.

IIHS frontal crash test footage showing what happens to an unbelted rear-seat passenger. It illustrates that buckling up in the back matters for the passenger and for front occupants.