I am doing very much the same!
Here is my current working (but not very tidy) setup!
Soldered the wires onto the GPIO pins on top of the OLED display. Then off to a solid state relay to control the 1kW load ( http://amzn.to/2grrQSh )
I'm then using the easy to access jumpers on the temperature sensor to feed 3volts into the solid state relay via the relay expansion which is behind the oled display.
I repeated the identical steps (1-wire temperate sensor, SSH session, constant ping, reading 1-wire every 2 minutes)
In addition I also had the OLED display plugged in and a script running "watch" with an interval of 5 seconds doing:
wget of a 127byte file to /tmp
oled-exp cursor 0,0 write "cat /tmp/downloadedfile.txt"
The OLED Expansion was set to default / full brightness.
I unplugged the Omega and power dock at 20 minutes past midnight.
The last log I have from the SSH session is 08:19:35
So adding the OLED Expansion and using it every 5 seconds (along with a small file get over wifi) reduces the runtime from around 11 hours to almost exactly 8 hours!
My next test will be to reduce the brightnesson the OLED display and see if and what runtime difference that makes.
Original one, it is probably the kickstarter one too!
I've got three running in my house. All run php either via http or on a loop/cron/schedule and interact with relay modules or 1wire temperature sensors.
One monitors external temperature and sends the data to weather underground.
One monitors office temperature and fetches data from my solar panels, then turns on the heating via a relay if I have excess solar energy. It also controls some outside garden lights on a schedule via a relay.
One monitors two areas of the house AC to DC battery and inverter cabinet.
All of the above also get ingested into a database for graphing.
I also had a friend who wanted to remotely control their gate.. so they've got one using php and relay outputs.
And finally.. for several years a school had a dodgy boiler which would trip out and only get noticed hours later (or if a weekend, didn't get noticed until too late on a Monday morning!).. an onion was eventually setup there using GPIO to detect the boilers failure relay output and send an email to the janitor/caretaker to warn them the moment it had failed.
All would have been possible with a Pi or similar, but the form factor of the Onion and features + packages available made them ideal.
Have you checked you have the baud rate set correctly on your serial console software (putty etc.).
I seem to recall that I got those kinds of output when I used 9600 instead of the correct rate.
Good spot.. only because it is attached the same tool that has a thermometer on it too. The thermometer was my main way to tell the temperature in the office before I got the Omega setup.
Compass is, clearly, useless when vertical (and next to power conduit).
I just bought something random and hoped it would do the job.. it does
Solid state relay to control the 1kW load ( http://amzn.to/2grrQSh )
I'm then using the easy to access jumpers on the temperature sensor to feed 3volts into the solid state relay via the relay expansion which is behind the oled display.
@Matthias-Nowak Here is my rather dusty and cat hair covered dock photo! Sorry it is so grotty.
I've tried to annotate all the ones I could read.
I re-tested the exact same as my last post but with "oled-exp dim on" set and it lasted from midnight to 10:19am. So the brightness of the OLED can pretty significantly increase battery duration 
And yes @Lazar-Demin , solar panel status and the 1-wire temperature reading for the temperature of the room the Onion is in.
The photo was taken at night while the inverters were not producing power.
https://gfycat.com/FoolhardySizzlingIzuthrush
I just need to make some sort of case / caddy for the Onion to go in so I don't feel like I"m carrying around a fragile egg!
Summary:
Onion + Power Dock + 1-Wire Temperature Sensor + Ping + reading 1-wire every 2 minutes = 11 hours 19 minutes.
Onion + Power Dock + 1-Wire Temperature Sensor + Ping + reading 1-wire every 2 minutes + OLED Expansion on default brightness + 5 second wgets and displaying returned data on OLED = 8 hours.
Onion + Power Dock + 1-Wire Temperature Sensor + Ping + reading 1-wire every 2 minutes + OLED Expansion on the lower brightness setting + 5 second wgets and displaying returned data on OLED = 10 hours 19 minutes.
For those that might be interested.. I fully charged and then tested my Power Dock / Battery Dock with the stock battery.
I had an Omega with a 1-wire temperate sensor attached and connected to my (fairly good reception) wifi. An SSH session to the Omega and a constant ping test to the Omega. It was reading the temperature from the 1-wire sensor every 2 minutes.
I unplugged the Omega from the USB power at around 6pm and left it overnight.
The SSH log seems to show that the Omega finally died (battery depleted) at around 5:20am. (11 hours 20 minutes battery life.)
Impressive runtime! And within the range expected on the wiki page. I wonder how other expansions like the relay, ethernet, gps, oled display etc.. affect the runtime.
Original one, it is probably the kickstarter one too!
I've got three running in my house. All run php either via http or on a loop/cron/schedule and interact with relay modules or 1wire temperature sensors.
One monitors external temperature and sends the data to weather underground.
One monitors office temperature and fetches data from my solar panels, then turns on the heating via a relay if I have excess solar energy. It also controls some outside garden lights on a schedule via a relay.
One monitors two areas of the house AC to DC battery and inverter cabinet.
All of the above also get ingested into a database for graphing.
I also had a friend who wanted to remotely control their gate.. so they've got one using php and relay outputs.
And finally.. for several years a school had a dodgy boiler which would trip out and only get noticed hours later (or if a weekend, didn't get noticed until too late on a Monday morning!).. an onion was eventually setup there using GPIO to detect the boilers failure relay output and send an email to the janitor/caretaker to warn them the moment it had failed.
All would have been possible with a Pi or similar, but the form factor of the Onion and features + packages available made them ideal.
And after 6 more years of use!
And also a huge thank you to those at Onion; your boards have been powering some home built automation flawlessly (other than screen burn in) for 6 and a half years. It's stunning how helpful a device with WiFi, GPIO and shell/php can be.
If anyone is interested in an update.. here it is a year and a bit later:
Brand new Omega2, never used until today.. setup today and firmware updated:
login as: root
root@10.0.0.151's password:
BusyBox v1.26.2 () built-in shell (ash)
____ _ ____
/ __ \___ (_)__ ___ / __ \__ _ ___ ___ ____ _
/ /_/ / _ \/ / _ \/ _ \ / /_/ / ' \/ -_) _ `/ _ `/
\____/_//_/_/\___/_//_/ \____/_/_/_/\__/\_, /\_,_/
W H A T W I L L Y O U I N V E N T ? /___/
-----------------------------------------------------
O-ware: 0.1.10 b160
-----------------------------------------------------
root@Omega-8F17:~# opkg update
Downloading http://repo.onion.io/omega2/packages/core/Packages.gz
Updated list of available packages in /var/opkg-lists/omega2_core
Downloading http://repo.onion.io/omega2/packages/core/Packages.sig
Signature check passed.
Downloading http://repo.onion.io/omega2/packages/base/Packages.gz
Updated list of available packages in /var/opkg-lists/omega2_base
Downloading http://repo.onion.io/omega2/packages/base/Packages.sig
Signature check passed.
Downloading http://repo.onion.io/omega2/packages/packages/Packages.gz
Updated list of available packages in /var/opkg-lists/omega2_packages
Downloading http://repo.onion.io/omega2/packages/packages/Packages.sig
Signature check passed.
Downloading http://repo.onion.io/omega2/packages/onion/Packages.gz
Updated list of available packages in /var/opkg-lists/omega2_onion
Downloading http://repo.onion.io/omega2/packages/onion/Packages.sig
Signature check passed.
root@Omega-8F17:~# opkg list | grep procps
root@Omega-8F17:~#
What am I doing wrong :s
I've also downloaded all the package list files from "opkg update" and manually searched them.. procps doesn't exist.
I did source it from another place though but I'm unsure if this is a bad idea:
wget https://downloads.lede-project.org/releases/packages-17.01/mipsel_24kc/packages/procps-ng_3.3.11-3_mipsel_24kc.ipk
wget https://downloads.lede-project.org/releases/packages-17.01/mipsel_24kc/packages/procps-ng-watch_3.3.11-3_mipsel_24kc.ipk
opkg install procps-ng_3.3.11-3_mipsel_24kc.ipk
opkg install procps-ng-watch_3.3.11-3_mipsel_24kc.ipk
Why does it seem my Omega2s can't find the package yet you can? Are you on an Omega2 or an original?
Nothing to be fixed but thought I would show people my observations with the OLED screen.
After around 6 months I've got slight burn in!
Fun 
Unless I'm misunderstanding what you want to do - I think the command you want is expled?
root@Omega-1097:~# expled --help
Functionality:
Set colors on Omega Expansion Dock LED
Usage:
/usr/bin/expled <hex value>
Displays color of hex value on the Exp Dock LED
/usr/bin/expled -help
Displays this prompt
I see the same..
src/gz omega2_core http://repo.onion.io/omega2/packages/core
src/gz omega2_base http://repo.onion.io/omega2/packages/base
src/gz omega2_packages http://repo.onion.io/omega2/packages/packages
src/gz omega2_onion http://repo.onion.io/omega2/packages/onion
Very confused. I've got a second Onion2 here which I will try as soon as I get a chance.
@Brad-Buskey said in procps missing?:
it will look for any instance of procps. it returns:
procps-ng - 3.3.11-3
My case:
root@Omega-B79F:~# opkg update
Downloading http://repo.onion.io/omega2/packages/core/Packages.gz
oUpdated list of available packages in /var/opkg-lists/omega2_core
Downloading http://repo.onion.io/omega2/packages/core/Packages.sig
pkg Signature check passed.
Downloading http://repo.onion.io/omega2/packages/base/Packages.gz
lisUpdated list of available packages in /var/opkg-lists/omega2_base
Downloading http://repo.onion.io/omega2/packages/base/Packages.sig
t | greSignature check passed.
Downloading http://repo.onion.io/omega2/packages/packages/Packages.gz
p procpsUpdated list of available packages in /var/opkg-lists/omega2_packages
Downloading http://repo.onion.io/omega2/packages/packages/Packages.sig
Signature check passed.
Downloading http://repo.onion.io/omega2/packages/onion/Packages.gz
Updated list of available packages in /var/opkg-lists/omega2_onion
Downloading http://repo.onion.io/omega2/packages/onion/Packages.sig
Signature check passed.
root@Omega-B79F:~# opkg list | grep procps
root@Omega-B79F:~#
I feel like I'm missing something.
I'm almost certain I've used opkg to install procps (most importantly the watch command) on my Omega Onion.. I've gone to setup a similar system on my Omega2 but can't find anything matching procps:
root@Omega-B79F:~# opkg update
root@Omega-B79F:~# opkg search procps
root@Omega-B79F:~# watch
-ash: watch: not found
Any ideas?
It is connected to a commercial gas boiler system. The terminals it connects to claim to just be a certainly doesn't output anything like AC or high DC when triggered. All the wiring does run directly alongside the main AC electricity feed into the boiler though.
I will see if I can borrow an analogue test meter and see if I can see it wobbling around.