How to control 30 LEDs with only 6 wires on the Arduino. The trick is charlieplexing. It works because the I/O pins of the Arduino are tri-states. So they can be high, low or high impedance. Maybe someone can use it. This is a good solution to control a lot of LED's with only a … Continue reading Charlieplexing Tutorial
PECS Communication Board V2
Here is the new updated version of Scott's PECS board. The Picture Exchange Communication System, or PECS, allows people with little or no communication abilities to communicate using pictures. People using PECS are taught to approach another person and give them a picture of a desired item in exchange for that item. By doing so, … Continue reading PECS Communication Board V2
Desktop Spherical Moss Terrarium
Hello, I had seen a few videos with moss terrariums and thought that would look good here at home. At the same time I had the idea to put the mini garden in a ball and use it as a desk or bedside lamp.And this is the result and I hope you like it. So … Continue reading Desktop Spherical Moss Terrarium
A Caravan Style Bird House
I designed and build this little caravan bird house. For all the details and the free plan klick on this link: https://www.instructables.com/Caravan-Bird-House/ Have fun to recreate it.
Tea Timer With an Automatic Teabag Remover
https://youtu.be/c7B7aF6yfE8 Are you like me and always forget to take the teabag out of the cup to the right time? Then I have the solution here, a tea timer that does it for you. After the set time, the teabag is automatically removed from the cup. Plan and the Parts I've drawn all the parts … Continue reading Tea Timer With an Automatic Teabag Remover
A small valentine gift for my wife
I used an IKEA Ribba frame, an I glued this laser cut frame on the back-plate The two robots were made out of 4mm plywood, an painted with acylic paint After all the back is painted in white, the robot was glued in place Again, 4mm plywood for the message heart All together and I … Continue reading A small valentine gift for my wife
A Hello Kitty Bluetooth Speaker
For Christmas I build something for an Hello Kitty fan, my wife. She's listening music over the speaker of their phone, witch is an no go, so I decided to build a Bluetooth speaker for her. First I designed the major parts in Sketchup 8 and in Qcad. All the parts were laser cut. I … Continue reading A Hello Kitty Bluetooth Speaker
Scott’s Pecs Board (communication Board)
Working on this pecs board prototype. Maybe it will help our son to communicate. It's based on an Arduino pro mini and a Df-player mp3 module. The inlay with the pictures can be changed and the mp3 files can simply be uploaded via USB. Over the USB port it's also charged an runs on an … Continue reading Scott’s Pecs Board (communication Board)
DF Player mini configuration
Hi, this little tutorial is to explain how to make the DF Player work to play specific files when called from Arduino. This Small player is a little bit tricky, and the datasheet's I found on the internet were helpful, but not very clear. Test the DF Player. Insert an mirco Sd card with a … Continue reading DF Player mini configuration
GPS Radar Reminder (GPSRR)
We have permanently installed speed camera traps here in my country. That's no problem, but if you are like me, forgetting all the time about them, it starts to be expensive. So I've built me this radar reminder. It's legal here, because it's a passive equipment that just reminds me point of interests. I know, … Continue reading GPS Radar Reminder (GPSRR)
Alain's Projects 