Weather Station Hardware > Hydreon RG-11 Optical Rain Gauge/Sensor
Using the Rainguage with the RS232 serial
Weather Display:
for this use in WD, its like an early warning of rain indicator....when set to very small resolution (0.1 or 0.001mm tip)
but yes it could easily become the rain guage to use (with the correct rain gauge resolution set), when set to bucket tip mode
what format is the serial data in?
NMEA?
maybe you could just hook it up to the CTS signal on the serial connection and monitor the state of that?
(which could be done as a way in WD come to think of it (as that is used for the vortex anenometer))
iisfaq:
I would be interested if you have any luck in the serial port option as well.
Chris
SLOweather:
Would you please post more info on the serial port? Pin-out, commands etc?
Fika:
Sure , i have the following setup right now
Pins on RG-11 Pins on TTL232R-5V (usb to 6 pin serial)
Gnd 1 ---------------------- 1 GND
Vcc 2 ---------------------- 3 Vcc
MC 3
SPD 4
SPC 5 |----------------- 5 RXD (recieve data)
RS232 6 -----|--(2K Resistor)--- 4 TXD (transmit data)
Pin 6 is connected to both RXD and TXD is what the lines show above , you can power and ground another way if you want to.
And you get CoolTerm , a free serial port monitor program, which you can use to listen to whatever com port the TTL is connected to.
If you want to look at the TTL232 pins in details check out figure 4.1 here http://www.ftdichip.com/Support/Documents/DataSheets/Cables/DS_TTL-232R_CABLES.pdf
Checking the CTS status was a good idea but I cant do it using coolterm , so I might try with software , but I dont see any reason why the hardware setup shouldnt work as it is.
JimLill:
I use a Argent Data System WS-1 weather station and have the RG-11 on it. It has RS-232 output
see http://wiki.argentdata.com/index.php?title=ADS-WS1
I feed CWOP and create this page with that http://www.jimlill.com/weather.html
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