eclectica has posted a circuit for a PICAXE-enabled raincounter. The device employs a 1mm/pulse rain gauge to measure rainfall. Pulses from the gauge’s internal reed switch are read by the PICAXE-08 MCU, which in turn stores the running count in EEPROM and displays the resulting measurement on a serial LCD readout.
While the exact type of rain gauge employed in the project is not indicated, an example is found in this 22 page PDF datasheet for a Tipping Bucket Rangauge from Campbell Scientific, Ltd.
The project description at Circuitlab contains the schematic and Picaxe code.This entry was posted in code, measurement, PICAXE and tagged Picaxe 08, rain gauge.