Pro mini logger project for the classroom

Edward Mallon writes: Dr. Beddow’s instrumentation class has been building the 2016 version of the Cave Pearl datalogger for more than three years, and feedback from that experience motivated a redesign to accommodate a wider range of student projects while staying within the time constraints of a typical lab-time schedule. The rugged PVC housing from […]

Pro mini shield

Albert blogged about his mini pro shield project: Just finished my little mini pro shield which makes it a little easier to use the mini pro with projects and it now also makes the mini pro easier to use with test and trial projects. The shield has a 3.3V and 5v power supply on board […]

What’s up with HD44780 LCD displays?

Nerd Ralph writes: There’s lots of projects and code online for using character LCD displays based on these controllers, particularly the ones with 2 rows of 16 characters (1602).  They’re low power (~1mA @5V), and for only $2 each, they’re the cheapest LCD modules I’ve found.  The controllers are over 20 years old, so as […]