The prototype batch of PCBs for revision 4 of the Pi1541io board didn’t take long to ship and it arrived from PCBWay while I was on vacation. Today, I finally managed to assemble one of the boards and everything seems to work great!Revision 4 is basically what the previous one should have been: an improved rev.2 with an added I2C connector for an OLED display. In this revision though, the I2C connector can be configured to accommodate different kinds of display modules.

Continue reading →