Blog







  • General
  • ·
  • 2024-10-08 21:41

Use display screens to output data

With standard display connected via HDMI or E-Ink respectively E-Paper displays wired on SPI or similar interfaces informations and statuses of OTDT could be displayed to people around.

Read more ...



  • General
  • ·
  • 2024-02-21 12:43

Let presence be the trigger

We already discussed the possibilities of using Bluetooth for communications. An additional scope would be to simple sense the presence of predefined devices and then react with a special Action.

Read more ...



  • General
  • ·
  • 2023-07-21 18:18

Piping GPS data to OTDT

If there is a GPSD available "near" OTDT, the positioning data often must be used in the Actions; so the GPS data must be piped to OTDT.

Read more ...






  • General
  • ·
  • 2022-07-15 17:45

Spawn is better than Exec? Sometimes!

Using exec in an Action is flexible, because you could use nearly any command the OS understands. But it is always synchronous waiting for a response within the Actions.

Read more ...




  • General
  • ·
  • 2021-04-07 16:19

Response data for Actions

One thing we had in mind from the very beginning is to have the response of an Action step being given to the next step or being the response of the whole Action itself.

Read more ...






  • General
  • ·
  • 2020-04-14 06:41

In the Browser, a Web Interface

Certainly – “we” developers do love to do things in “vi” (an Editor). Modifying “config/default.properties” and “config/rules.json” directly for us is like seeing Blondes in the Matrix code for the other one.

Read more ...

In some situations it might be useful to receive notifications upon certain device or trigger states. For example if the battery of radio based sensors goes down. Or you want to get informed if some windows or doors in your building are and/or stay open.

Read more ...

  • General
  • ·
  • 2020-02-12 16:26

Alexa, do what I want!

To be honest, we are great fans of Alexa. Yes, even while we do tell all people to watch their privacy. What can I say?

Read more ...

  • General
  • ·
  • 2020-01-16 12:34

Welcome Philips Hue, welcome Apple HomeKit

While we originally were building OTDT as a local “Trigger an Action”-Appliance (like IFTTT – “If This Then That” – does in the “cloud”), we recognized that controlling actions in OTDT directly would be a great thing.

Read more ...

  • General
  • ·
  • 2019-12-05 14:00

Hello World, Hello OTDT

Today we launched this website to move forward with OTDT. Several months of development and testing passed by and we are now able to release OTDT into the world.

Read more ...