The letter

One letter a week, in your inbox.

The signal of the week, what shipped, what to try, and the editor's note. No tracking, no ads, nothing else.

We keep your address, your language and the date you joined, nothing else. Every letter has a one-click unsubscribe link that deletes the record.

← Accept All   Archive
Hacker News ShowGitHub

Show HN: NFC Energy-Harvesting PCB Business Card with an MCU

August 28Work

Article URL: https://wilsonharper.net/projects/businesscard/ Comments URL: https://news.ycombinator.com/item?id=49478426 Points: 231 # Comments: 30

Read at Hacker News Show ↗

More from Hacker News Show on Accept All.