Eric Gunnerson has been working on a sequence controller project:
Yeah. Those pins are beautifully aligned a very precise 0.1” from where they are supposed to be…
Pro tip: Print out your design and put your components on it so that you can check the design.
Meta pro tip: Follow your pro tips.
Anyway, that’s not the only problem; it turns out that the power and LED parts of the connector are right underneath the end of the board, so you can’t use a normal header on them (you could use a right-angle one if you wanted), so I did a new revision of the board with 1.0” rather than 1.1” for the ESP and extended the board so the connectors are out on the end. That’s on the slow ship from China right now.
See the full post on Eric’s Arcana and RiderX blog.