It is now exactly six months since I joined up with Contextual Electronics. In that time I have three course related boards finished and tested, with two in the post. The tutor and mentor Chris Gammell also encourages own-projects, which is the main topic of this blog. For that I have two boards completed and … Continue reading Getting Some Order in the House
Alternate Display Driver
The purpose of this entry is to describe the assembly, programming and testing of the alternate Clock Display Module - whereby instead of a dedicated display driver chip, the module will be controlled by its own micro controller. This was created under a separate GitHub branch as UCtl_small. After the relative ease of getting the … Continue reading Alternate Display Driver
MAX7221 Driven Display Module
It is now time to put some theory into action. This entry will talk about the implementation of the clock display module driven by the MAX7221. This chip was selected for the first version of the display module as it provided a one-stop solution for driving seven segment displays. It also SPI compatible and provided some additional features like … Continue reading MAX7221 Driven Display Module
Display Revisited
While waiting for the display board to return from OSHPark, I was also interested in an alternative module. I had mentioned this idea before and it was time to start taking a closer look. For the purpose, I created another branch in GitHub rather than creating a whole new project. The key feature of this … Continue reading Display Revisited
Rebooting Electronics 