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1  Topics / Home Automation and Networked Objects / Home Automation Network library - MySensors - [via nRF24L01] on: March 26, 2014, 06:14:36 am
There's a new library for Arduino out, which uses the nRF24L01 to create a mesh-network with arduino (or raspberry) as a Gateway, Relays and Sensors.

Website:
http://mysensors.org/
API:
http://mysensors.org/build/sensor_api
Github:
https://github.com/mysensors/

I think it's worth to look at and contribute!

Best regards
2  Topics / Home Automation and Networked Objects / Re: Control Livolo switches / Livolo switch library on: January 13, 2014, 09:41:38 am
Hi everyone!

Thanks for the great library - I was able to learn 6 switches different codes.
The worst thing is that they have same code for 'on/off' and I don't have remote...

Is there any option to switch individual switches off with different code?
And what's the code to send for "ALL OFF" button using the library?
Maybe I'll just force every switch to off...

Regards
3  Using Arduino / Networking, Protocols, and Devices / Re: Update on WiFi shield 90 byte limit... on: January 08, 2014, 05:29:23 am
I have a Linux hub, and I just want a reliable means of talking from that to a bunch of nodes which control hot water, heat,etc. I want the nodes to be as reliable and autonomous as possible, ie just my own bare-metal code, so I chose Arduino. MQTT is the protocol for comms, so my iOS and Android speak MQTT to the Linux box (running MQTT broker - Mosquito) and the Linux box broadcasts MQTT messages, which the Arduino nodes listen for and respond to.

At current moment I'm running almost the same, but instead of MQTT broker I'm using Domoticz on Raspberry.
It's open source and people on forums are working with MQTT integration to it.

My current interface is MEGA with RF24(Network) nodes all over house.
I'd like to (if it's possible) to look @ your code and maybe find some inspiration with switching to complete-MQTT with nodes and MEGA.

The RF24 limitation is 24 bytes in one message, I'm not that good with thinking how to program it to get messages queued od sent-together other way...
4  Topics / Home Automation and Networked Objects / MQTT(-S?) on RF24Network on: January 02, 2014, 09:07:17 am
Did anyone manage to use MQTT protocol on node's of RF24Network mesh network?

The setup I'd like to use in my house looks like:
Raspberry (broker) - Arduino MEGA (with: ethernet and rf24 distributing packets) to Arduino NANO (nodes).
I'd like to get and send values of sensors/switches from "nodes" to Mega and report it to RPI.
5  Products / Arduino Yún / Re: MQTT topic structuring? on: January 02, 2014, 09:01:42 am
Did you manage to go any further with the subject?
I'm also interested in it.
6  Topics / Home Automation and Networked Objects / Arduino as RFXCOM RFXtrx433 interface (for Domoticz) on: December 10, 2013, 03:56:31 pm
Hello!

I've just ran an Domoticz project on my Raspberry.
ATM I'm using my own code for managing 433MHz power outlets.

Is there any way that Arduino MEGA with both: receiver and transmitter can be used as a USB interface for Domotic?
It supports this device to be plugged to raspberry. I don't want to spend so much money just for device to transmitt/receive 433signals, as I have been using them already...

Is there any hope? Or other way I can flawlessly interfere with Domoticz?
Isn't this USB device using X10 for this? So Arduino can work as X10-USB-RXTX?
7  Topics / Home Automation and Networked Objects / Re: Home Power Monitor System, are their plans for one out there? on: March 01, 2013, 09:09:22 am
I'm doing it myself with arduino nano and rf24l01 module (very cheap, 2.4ghz with comm control).
My energy meter (of whole house) have pulsing led (6400impulses every kWh), I just measure them, calculate and send every i.e. 10sec.

I didn't want to do anything with CT etc.
8  Using Arduino / Microcontrollers / Re: Problem with uploading bootloader to DX Arduino Nano on: February 26, 2013, 05:38:14 am
I have nothing really (speaking of programmers and hardware), but I thought there's some way to get things going with Arduino.

I wrote to DX, they did refund this one particular nano, but still I'd like to get it working somehow. If not, I'll use it as a voltage-regulator for my other projects...
9  Using Arduino / Microcontrollers / Re: Problem with uploading bootloader to DX Arduino Nano on: February 26, 2013, 04:59:44 am
Bump - no one have any ideas how to solve this issue?
10  Topics / Home Automation and Networked Objects / Re: 433 MHz RF - Temperature and humidity sensor on: February 25, 2013, 05:52:49 pm
I have removed the temperature sensor and it was indeed fixed value.
I've got some readings, made some operations to get them.
They're as always in fille at bottom: https://docs.google.com/document/d/121ZH3omAZsdhFi3GSB-YdnasMjIQSGIcaS7QW6KsACA/edit?usp=sharing

The most interesting part I've got:
Code:
00 01110110 01 01 011011100000 00000101 00000100 80%
00 01110110 01 01 011011100000 00010101 00000001 81% [latest reading]
00 01110110 01 01 011011100000 00010101 10001001 81% [earlier reading - before the dryer stuff]
00 01110110 01 01 011011100000 00100101 00001110 82%
00 01110110 01 01 011011100000 00110101 00001011 83% [earlier reading]
00 01110110 01 01 011011100000 01000101 00000011 84%
00 01110110 01 01 011011100000 01010101 00000110 85%
00 01110110 01 01 011011100000 01100101 00001001 86%
[missing                                         87%]
00 01110110 01 01 011011100000 10000101 00001010 88%
00 01110110 01 01 011011100000 10010101 00001111 89%
00 01110110 01 01 011011100000 10100101 00000000 90%

Also might be interesting for you:
Code:
00 01110110 01 01 011011100000 10100101 00000000 - Battery=1 Channel=1 Temperature=-67.0F Humidity=90%
00 01110110 01 01 011011100000 11000101 00001101 - Battery=1 Channel=1 Temperature=-67.0F Humidity=92%
00 01110110 01 01 011011100000 11100101 00000111 - Battery=1 Channel=1 Temperature=-67.0F Humidity=94%
00 01110110 01 01 011011100000 11110101 00000010 - Battery=1 Channel=1 Temperature=-67.0F Humidity=95%
00 01110110 01 01 011011100000 00000110 00000001 - Battery=1 Channel=1 Temperature=-67.0F Humidity=96%
00 01110110 01 01 011011100000 00100110 00001011 - Battery=1 Channel=1 Temperature=-67.0F Humidity=98%
00 01110110 01 01 011011100000 00110110 00001110 - Battery=1 Channel=1 Temperature=-67.0F Humidity=99%

Hope it helps somehow. I havent tried the battery operations yet.
11  Topics / Home Automation and Networked Objects / Re: 433 MHz RF - Temperature and humidity sensor on: February 25, 2013, 07:15:13 am
I might try desoldering as I don't have problems with understanding it and there are no SMD elements. I just wonder how will sensor act without the temperature. :-)

How much data do you guess you need of the humidity only?

I might also look for some old AA batteries to test the indicator. I don't have laboratory PSU, only one running 3.3V but might to try get voltage down with resistor or sth.
Weather station only shows 'low' battery (if its good, nothing shows up).

Regards
12  Topics / Home Automation and Networked Objects / Re: 433 MHz RF - Temperature and humidity sensor on: February 25, 2013, 05:04:59 am
Ok, so after almost all-night logging I've put up to the google doc (at the bottom, below arduino code): https://docs.google.com/document/d/121ZH3omAZsdhFi3GSB-YdnasMjIQSGIcaS7QW6KsACA/edit?usp=sharing
all the values that didn't duplicate one by another (signal is so strong, that your code puts up like 5-6 readings at the time).

Also - strange thing (or we don't know everything). A lot of readings shows 'battery=0', but weather station doesn't report battery as 'low' (the indicator doesnt show up). Maybe the 'low batt' bit is hidden somewhere else?
13  Using Arduino / Microcontrollers / Re: Problem with uploading bootloader to DX Arduino Nano on: February 24, 2013, 06:22:16 pm
Tried ICSP - I don't know if I've used proper pinout. Still didn't get any further.
14  Using Arduino / Microcontrollers / Re: Problem with uploading bootloader to DX Arduino Nano on: February 23, 2013, 02:38:14 pm
Connection is 100% proper as I've programmed all 3 other nano's with it.
Shall I try ICSP connectors?
15  Topics / Home Automation and Networked Objects / Re: 433 MHz RF - Temperature and humidity sensor on: February 23, 2013, 02:10:44 pm
I got tired of wondering why it didn't work and I wired one of my nodes (used in room anyway) to weather station. Same scheme - DATA (pin2), GND-GND.
It works even better than on the receiver module (as it now gets a lot more readings).

It's getting readings ATM and will do overnight, but before that I saw same-readings with different CRC (only once happened so far):
Code:
001110100101011000111001001000010 100100110 - Battery=1 Channel=1 Temperature=35.6F Humidity=88%
0011101001010110001110010010000101 00000100 - Battery=1 Channel=1 Temperature=35.6F Humidity=88%

You can see the station and the receiver itself in left top corner here:
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