With the reduction in cost of circuit-board manufacturing, flexible circuits have been a popular choice for various creative projects.
I was inspired by Kheng Meng’s PCB Namecard project a few years back and thus added this idea to my bucket list.
The buildup has an additional thickener to increase its rigidity, while providing a little cut-out for seating the NFC chip.
I ordered a small batch, hand-soldered the NTAG213F [datasheet] and placed a drop of epoxy to improve durability of the tiny solder joints.
Total duration: 10 days, design-to-completion
- Newer Android phones NFC: Browser opens with this site
- Newer Apple phones with NFC: Prompt appears for user to view this site