Tipping Bucket Rain Gauge
Description
This is a tipping bucket rain gauge, based on rain gauges that are used by professional meteorologists. The device works by funneling rain water onto a tipping bucket which resembles a teeter-totter, with each end having a bucket that hold approx 2 ml of rainwater, When one side fills up, the bucket tips and rainwater begins collecting in opposite bucket. Each time bucket tips, a reed switch is temporarily turned on sending a signal to the Arduino hardware interrupt. The Arduino tracks each bucket 'tip', and converts the 'tips' to rainfall amount (inches of rain), based on volume of bucket and the surface area of the collection reservoir (16.605 sq. in.). The indoor display unit has a menu select to show 'current hour', 'previous hour', 'current day', and 'previous day' totals. For each bucket tip, a date stamped event is written to an SD card file. This file can later be imported to Excel for analysis and charting. Complete build plans can be found at Arduino Project Hub https://create.arduino.cc/projecthub/Bcjams/tipping-bucket-rain-gauge-75c393?ref=platform&ref_id=424_trending___&offset=1
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