I created the main board in the same pattern as the original. That made for quite an expensive prototype as there is a lot of empty space. This size is needed to fit the tactile switches in their proper places. Now that I have Revision 2 up and running, a write up of what I have … Continue reading The Main Board
Further testing the μController Display Module
In the last post, I was able to get the μController version of the display module working with a basic test routine that proved that 1. the controller could be programmed and 2. the display was being driven correctly. The next stage is to flesh this out to replicate the MAX2771 API. The purpose here … Continue reading Further testing the μController Display Module
Testing the μController Based Display – The Environment
This post is about bringing up the μController based display module for the Clock. In a previous post, I outlined the approach that I would be taking. Since this will be my first attempt at in-board programming on a "real" project, the idea is to take a systematic approach to try to quickly resolve any issues … Continue reading Testing the μController Based Display – The Environment
Time for a Change
As a starter exercise, I have decided to put a new life into an old digital alarm clock that stopped working. I received this in 1980 and it worked reliably well until late 2012 when if finally stopped displaying the time. It is amazing that it lasted as long as it did. The tone was not a … Continue reading Time for a Change
Rebooting Electronics 