Patrick Yang is a technical director at WCH. 南京沁恒 Here are some links. openwch github RISC-V based microcontrollers. CH32V003 32bit 48MHz 16KB flash, it is less than $0.5 for example. Arduino-wch58x. Another CH32V project. Flipping dots Kicad panelizing tool KiKit. This 3D printing uses UTR-8100 transparent amterial, from PCBWay.

“The Oprah-approved bestseller with three simple tenets: Science is fake, attitude causes everything and poor people don’t want to be rich.” Read this thread.

Nils Gilman pinned one tweet: People say adversity reveals character, but I say if you really want to know a man, give hime power. Rosa Luxemburg: “In effect, every legal constitution is the product of a revolution.” Every legal constitution is the product of a revolution. In the history of classes, revolution is the act of political creation, while legislation is the political expression of the life of a society that has already come into being....

The new US congress is still voting for its next speaker. From former speaker John Boehner, “What they’re really interested in is chaos. …They want to throw sand in the gears of the hated federal government until it fails and they’ve finally proved that it’s beyond saving. Every time they vote down a bill, they get another invitation to go on Fox News or talk radio. It’s a narcissistic – and dangerous – feedback loop....

Start to read the condensed biography of Dostoevsky by Joseph Frank. This is to understand Dostoevsky’s works correctly with its political context of 19th century Russia. To read Dostoevsky, you have to understand the context. Two nice tweets from Steve Stewart-Williams. One is the brain. The other Physics is weird. Another thing is geometry in p5js in this github repo. Beautiful geometric shapes generated by code.