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[Mathieu Stephan], one of the Hackaday contributors, has been working on an open source hardware password manager called the Mooltipass. The main project is one of the most popular on Projects right now, but it has also launched some sub-projects. One project is a flash memory driver for the AT45DBXX series chips. This chip is used for credential storage on the Mooltipass. There's also a project for the OLED display driver. The results look great, and it could be helpful for anyone looking to integrate an OLED into their project.
It all started with a Kickstarter for an NFC ring. [joe.h.faber] decided to build his own while waiting for the Kickstarted product to ship. That inspired [blnorris] to build his own version. Check them out and start unlocking Android devices with your finger.
Soldering Tricky Packages
[jaromir.sukuba]'s Mini Altimeter project uses a pressure sensor in a tiny LGA package. These are tough to solder, but [jaromir.sukuba] went over his technique in the comments. One handy tip: to check the soldering is good, you can put a DMM on diode test mode and check for the internal protection diodes.
That wraps things up for the first Hacklet. How did we do? Feel free to flame us, or maybe offer some constructive feedback in the comments.
Keep on hacking,
The Hackaday Projects Team