PCB Businesscard Nextgen: NFC enabled

PCB Businesscard Nextgen: NFC enabled

Designing a PCB business card seems to be the go-to for a hobbyist electronic engineers. Most people design either a passive PCB, USB HID/MSD device or battery powered LED frenzy. Uptill now I haven’t seen any cart that has a RFID, not even regular paper ones....
An other PCB manufacturer

An other PCB manufacturer

Recently I got a voucher to try Seeed PCB manufacturing, and decided to compare them to my regular PCB manufacturer DirtyPCBs.com. It is always nice to have an alternative to an existing supplier. At first glance they look very similar but some (small) differences...
Ghetto QFN32 ZIF adaptor

Ghetto QFN32 ZIF adaptor

I’m always fascinated by Zero Insertation Force (ZIF) Sockets, but a bit scared by the price. Simple ones (DIP and SOIC) goes for a few bucks on Ebay, but the more fascinating ones (QFP, QFN, (T)SOP, BGA) either can’t be found or are very expensive. Even...
C64/SX64 RAM Cartridge revisited

C64/SX64 RAM Cartridge revisited

Together with the PCBs came in a new revision of the C64/SX64 RAM Cartridge with onboard SD2IEC. It has a completely new layout and was tailor made to a C64 Cartridge shell I got from Ebay. Now I had more PCB estate at my disposal so the layout is much cleaner and...