> I flagged this entry because it looks like a marketing stunt. He published this version in 2021. He's working on a second edition coming out later this year

> I flagged this entry because it looks like a marketing stunt. He published this version in 2021. He's working on a second edition coming out later this year with No Starch. I suspect he had meant to take down the older PDF a while ago and the surge in interest yesterday from here reminded him it was still up. https://nostarch.com/designingelectronics https://nostarch.com/designingelectronics