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

Working on this peg 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 Peg Board (communication Board)

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

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)

Hi, SuperJemp is a luxemburgish super hero, who takes his super power out of cheese (Kachkéis) I found this small figurine in a box and I thought that it needs a special place. An Ikea Glass dome would be his new home, and it should look like a take off. For this I needed a … Continue reading SuperJemp In A Dome

Ok, The Word Clock works, but I'm really not happy how it turned out. So I have to make a better design for 2020

I'm still working on my Plant Timer, but the libraries are taking to much space. So I checked out the Datasheet of the DHT11 Temp-sensor and I wrote my own Code. It works perfect. Download it here on my Github // Global Variables int DHT11_Pin = 14; // DHT11 Data Pin int Humidity = 0; … Continue reading DHT11 On Arduino Without a Library

I've already had build an indoor grow light, but my plants didn't survive. I thought, the lights were bad, but honestly  ,I had no clue how to handle plants. So here comes the second try, on my way to an automatic hydroponic system. The light will be made out of ultra bright white, red, and … Continue reading Indoor Arduino Controlled Grow Light

I write this down, for myself, and to help others not to search for hours too. I bought a few new, ATtiny 85 and Atiny13 at Aliexpress. It was the first time, I used these brand new controllers. So what can go wrong? EVERYTHING 🙂 First, I soldered them to the PCB-breakouts Sot8 to DIP8, … Continue reading Brand New Attiny’s And The Problems