WorkJournal

2026-10-26

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2013-12-17

Site A0002 Repair

Found two problems:

  • power draw or ground draw for the flow meters was causing the 1-Wire bus to fail. Recommend we put these on their own power pin off the RPi's header
  • line to the rooftop is shorted - meter reads 1 ohm.

2013-07-17

Diagnostics at Site A0002

  • Problem: SD card frame on RaspberryPi was broken, so SD card didn't stay in. Solution: RaspberryPi replaced (with one borrowed from Moose)
  • Problem: not getting any sensors reading. Condition: water flow sensor (not the 1-Wire counter) was sucking up too much power. Solution: Disconnected for today.
  • Problem: Sensor T3 was flaky. Solution: replaced.

Notes

  • Boot OK, login OK, IP 192.168.2.107

2013-04-13

RaspberryPiConfig

Get wireless USB thing working:

 ifconfig wlan0 up
 apt-get install iw
 iw dev wlan0 scanning

Set the timezone:

 dpkg-reconfigure tzdata

2013-04-11

  • Get RRD installed
  • Get data collection (from weather service) running on the RPi
  • Finish the first version of "collect" and "receive"
  • Upgrade the RPi with
 apt-get update
 apt-get upgrade

2013-04-01

  • get box & mount RPi in it
  • write first versions of "send" and "receive"

2013-03-27

Get the RaspberryPi, arrange power supply, boot it up.

Start the window manager with

 startlxde

Enable I2C Driver using the commands

 modprobe i2c-bcm2708
 modprobe i2c-dev

... and get the i2c-tools using

 apt-get install i2c-tools

... following instructions here

2013-03-07

Meeting re: monitoring: 2 hours (billed to "SHI Misc" not "SHI Performance Monitoring")

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