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Messages - rwblinn

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To share a plugin for the Domoticz Home Automation System.

Measure, from an Indoor Air Quality Station (using TinkerForge Building Blocks), the Air Quality Index & Accuracy, Air Pressure, Humidity, Temperature, Illuminance and display the values in Domoticz Home Automation System.

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For learning purposes on how to build a Domoticz Plugin interacting with Tinkerforge Building Blocks, created a simple Traffic Light plugin (

Also described in my Domoticz Home Automation Workbook ( [in progress].

To share my first plugin for the Domoticz Home Automation System:

Measure the soil moisture of a plant, display the value in Domoticz Home Automation System, in a TinkerForge Segment Display 4x7 and TinkerForge RGB LED indicator.

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General Discussion / Re: WiFi2 Green & Blue Status LED en-/disable?
« on: December 12, 2018, 15:44:06 »
Thanks for clarification.

Might be a consideration for next version of the WiFi2 to be consistent with the other LEDs.

General Discussion / WiFi2 Green & Blue Status LED en-/disable?
« on: December 07, 2018, 16:52:02 »

how to turn on/off the Master Brick WiFi2 Extension Green & Blue Status LED using Python?

Want to turn all LED's on/off for a Master Brick 2.0 with WiFi2 Extension.

Tests Python:
Master Brick Blue LED disabled: master.disable_status_led()
Master Brick Blue LED enabled: master.enable_status_led()

WiFi2 Green LED disabled: master.disable_wifi2_status_led()
WiFi2 Green LED disabled: master.enable_wifi2_status_led()
OK - It took ~2 minutes till the LED was turned on

WiFi2 Blue LED disabled: how to using Python?
WiFi2 Blue LED enabled: how to user Python?


General Discussion / Seeking Python Exception Handling examples
« on: December 04, 2018, 09:25:14 »

in progress developing Python plugins for Domoticz Home Automation using Tinkerforge Bricklets.

As starting to learn Python, seeking for examples on how to handle exceptions for situations like Master Brick not reachable (using WiFi extention v2.0), network issues, brick or bricket defects.

The first Domoticz Plugin developed - the prototype is working fine  :) - is a Soil Moisture Monitor using a Master Brick + WiFi Extention 2.0, Moisture bricklet, Segment Display 4x7 bricklet, RGB LED bricklet.

General Discussion / Re: Not able to Flash Master Brick 2.0
« on: July 10, 2018, 16:26:35 »
(Sorry for late reply) Indeed found total 4 pins bend in two slots. After unbending, the Master Brick is still not reacting. 2 pins look rather dark - think are burned.
Will not pursue with this Master Brick.

Many thanks for the hint. Appreciated.

General Discussion / Re: Not able to Flash Master Brick 2.0
« on: June 27, 2018, 13:41:45 »
Thanks for the hint. Checked the pins - seems OK.

... but does not trust this master brick anymore ... and will order a new one.

General Discussion / Re: Not able to Flash Master Brick 2.0
« on: June 23, 2018, 10:33:12 »
Both buttons feel OK and can be pressed and released.

The Master Brick worked fine prior setting in bootloader mode.

Tried again:
Connected to PC USB port, set bootloadermode, the Master Brick started to smell and is getting hot (can not touch anymore) ... immediate unplugged. Will not plugin anymore!

General Discussion / Re: Not able to Flash Master Brick 2.0
« on: June 22, 2018, 15:23:02 »
Tried also several times (should have mentioned in first post).

Any other options?

General Discussion / Not able to Flash Master Brick 2.0
« on: June 22, 2018, 15:14:11 »
Having an older Master Brick and wanted to update to latest firmware version. Updated several Masters, but this device does not work.

Put the Master Brick in bootloader mode (blue LEDs turned off), but the device is not recognized as serial device on:
a) Raspberry Pi 3B+ running latest brickd + brickv. When connecting via USB the RPi freezes. Plugging out, the RPi is back to normal.
b) PC running Stretch: no tty device, i.e. ttyACM0 listed.
c) PC running Windows 10 with latest brickd + brickv: No serial device found.

Tried to run brickv as root or admin, but did not help.

Any hints on how to flash the Master Brick appreciated

General Discussion / Issues Raspberry Pi & RED Brick
« on: June 21, 2018, 09:42:42 »
Encountered some issues when connecting the RED-Brick (RED) to a Raspberry Pi (RPi) 3B+ running latest OS Strech.

Raspberry Pi: Installed brickd 2.3.1 and brickv 2.3.15.
RED: Installed RED image 1.12.

Connected the RED to the RPi via USB, started Brick Viewer (Menu Programming > Brick Viewer; Note location changed from Menu Other).

Brick Viewer selected Updates/Flashing:
Receiving error message: latest version information on is not available (error code 1).
The Brick Viewer lists Brick Viewer Installed 2.3.15, RED Brick 2.0.3.

Brick Viewer:
Connecting to RED receiving message: Image version 1.12 (full) is not officially supported yet. Please update Brick viewer.
Pressed Access the RED, the Brick Viewer indicates Image Version 1.12 (full).

Brick Viewer Tab RED Brick:
Connecting the RED to the WiFi network with static address, pinging the RED first time (via terminal) states host unreachable.
Pressing Connect via the Brick Viewer Tab RED brick Tab Settings > Network > Configuration, the RED is reachable via ping.

General Discussion / RED Brick install Brick MQTT Proxy
« on: December 05, 2017, 11:42:24 »
Seeking advice on how to install the Brick MQTT Proxy as a process on the latest RED Brick Image.


General Discussion / Re: TinkerForge Roadmap 2017 and beyond
« on: August 19, 2017, 14:42:07 »
Thanks for feedback = sounds great whats going on.

Looking forward...

General Discussion / TinkerForge Roadmap 2017 and beyond
« on: August 14, 2017, 10:02:17 »
Is there a TinkerForge Roadmap 2017 and beyond available?

Wondering what are the plans regarding
  • Bricks & Bricklets = what can we expect when?
  • connecting Bricklets direct to SoC like the Raspberry Pi, Pine64 without Master Brick
  • future of the Red-Brick compared to other SoC
  • software, i.e. full integration in Node-RED, openHAB 2, other (Domoticz?)
  • other, i.e. Outdoor Cases, Make Examples, getting started guides or webinars

Appreciate an insigth ...

General Discussion / Master Brick Flashing Timeout for version 2.4.3
« on: February 27, 2017, 15:57:12 »
For a Master Brick 2.1 receiving after 34 to 50% error message - tried several times.
1) Could not flash Brick: Timeout while reading from address 0x400E0A08.

2)Removed all connected bricklets, writing went thru but during verification receiving error:
Could not flash Brick: Length error while reading from address 0x00400000

3)Master brick is connected to Raspberry Pi. Latest Brick Deamon / Viewer are installed.

4)Switched to a Windows PC. Flashing went successful.

Any hints why under Raspberry Pi a flashing error occurs.?

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