Archive for the ‘OpenEnergyMonitor’ Category

DS18B20 – 1-Wire Temperature Sensors

Saturday, April 30th, 2016

Power/VCC sensor lead — Orange CAT-5/6 wire (pin 2)
Data sensor lead — Blue CAT-5/6 wire (pin 4)
GND (ground) sensor lead — White/Blue CAT-5/6 wire (pin 5

Feeds updating at incorrect time – Update Time Zone

Saturday, April 30th, 2016

By default, the emonPi is set to the UTC time zone. You can set the time zone to match your location by connecting to the emonPi via SSH, and running :

To check current time on the emonPi
$ date 
Enter read-write mode 
$ rpi-rw 
Run Raspberry Pi setup
$ sudo raspi-config
Select internationalization options > timezone
Exir raspi-config
Return to read-only mode
$ rpi-ro

Reset Emoncms to factory settings and erase all data

Friday, April 29th, 2016

If you want to erase all logged data, input processing and configuration from the local Emoncms on the emonPi, run the ‘factoryreset’ script in the emonpi directory:

$ rpi-rw
$ cd emonpi
$ sudo ./factoryreset
$ rpi-ro