9Sep
Dinner table dimmer

 

This was the first device made for the Joshua bus .
Double side pcb is home made and designed with the good old Ultiboard.
I decided not to make de dimmer compleet in software, then you need interrupt driven zero crossing detection and a timer for the triac output.The disadvance of the software dimmer is that the cpu has not much time left to do something else. For example if you receiving a message over the Rs-485 then this will trigger the RX interrupt and the light will flash due the missing zero cross interrupts. Instead i’m using a analog dimmer with a 1wire potmeter.

Schematic

 

9Sep
Blinds controller

 

This device will control the blinds in the living room and is controlled by the Joshua bus
The problem with the blinds was that there was no feedback, you didn’t know what their position was.
To tackle this problem we measure the current that the motor draws. If you send the blinds up and they don’t draw current then you know there completely up. From that point you can send them 1/2 way down with the help of a timer. All setting (Timers, current) can be changed with the Joshua Bus service tool.

Schematic

9Sep
Voice Recognition

 

This is one of the modules that’s for some reason is the most popular by my friends.
It’s based on a voice recognition module from Sensoryinc . It’s not really voice recognition, but just learn the module first for example the word “light” with your voice and if you then say “light” it will recognize this and will give a command.
Every command has first the key word and then the command word, this to prevent accidentally triggering one of the commands.
The module is not made anymore, so for the future I must look for something else.

 

 

Demonstration video, switch on the light

Voice recognition demo

9Sep
Dressoir controller

 

This is also one of the first controllers made for the Joshua Bus .
It will control the leds in the CD rack, slide doors for the audio set, IR-receiver and tv platform.
The tv-platform is removed because the old CRT has left the building and for the LCD-tv it was to big.
As you can see on the picture from the audio set in the audio controller item , the audio set is behind some slide doors. These doors are driven by a motor and the motor is controlled with this controller. Top and bottom contacts are all made with Hall sensors.

9Sep
3″ Touchscreen

 

This is the first touchscreen that I made for the Joshua bus . It’s no so big, but because it’s a touchscreen you can work with different menu’s levels.
Based on this touchscreen I have made a application note that’s real popular.

 

3D design
Finished pcb
Up and running
Buildin
PlayPause
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3D design
Finished pcb
Up and running
Buildin
previous arrow
next arrow