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Project Objective: Develop an open source AIS Alarm that alerts sailors that a new marine vessel with AIS is within range   I worked most of last week to complete my RoadTest of the TPSM84A21EVM DC-DC Converter but on Friday the revised PCBs for the AIS Alarm arrived and today I populated two of the boards.  This is an update on how things are coming along.   The revised board is shown fully populated on the right.  If you have a look back at the first version it is clear ...
Project Objective: Develop an open source AIS Alarm that alerts sailors that a new marine vessel with AIS is within range   Over the weekend I modified the PCB design, submitted it for production, and started thinking about refactoring the firmware.  This post will show the new PCB design and outline some of the thinking that went into it.  A first pass at the state machine will also be introduced.   Here is a rendering of the new PCB that is now being manufactured: The main ...