The rain gauge, as you may have guessed, measures rainfall. The rain gauge is a self-emptying bucket-type rain gauge which activates a momentary button closure for each 0.011" (0.2794mm) of rain that are collected.
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The rain gauge, as you may have guessed, measures rainfall. The rain gauge is a self-emptying bucket-type rain gauge which activates a momentary button closure for each 0.011" (0.2794mm) of rain that are collected. The closure of the momentary switch can be measured using interrupt pins or a digital counter. The centre conductors of the RJ11 connector are connected to the gauge's switch.
This is the rain gauge that is used with the weather meter kit.