RIP. His TTL and CMOS cookbooks have been of huge help in the late 80s and early 90s with no Internet available. They're still relevant today and highly recomme

RIP. His TTL and CMOS cookbooks have been of huge help in the late 80s and early 90s with no Internet available. They're still relevant today and highly recommended, especially for learning, since you can't teach the basics to a kid using an Arduino, although you can use it to simulate them later in software. His web page at [1] contains a lot of interesting stuff. Better mirror it before it vanishes. 1 - https://www.tinaja.com/ https://www.tinaja.com/