After six months of operation, supporting notes have been revised to illustrate typical pulse forms to be expected under various field conditions, and the opportunity was taken to tidy and make them more coherent. They are part of the package containing the software, downloaded on the excelworks.info /IOT  page

Several needs have emerged, to be addressed

1. A fault log could be built, so small intermittent faults could be noticed

2. Text message to phone could be useful.

3. Some fault conditions are not flagged by triggering the warning buzzer, to be investigated