A 340 gram airplane with 4G
Introduction I thought it would be a cool idea to build a super small airplane that could fly long range on a 4G connection. To my surprise, I could not find anything like this on the internet. At least not … Read More »
Electronics and Software
Introduction I thought it would be a cool idea to build a super small airplane that could fly long range on a 4G connection. To my surprise, I could not find anything like this on the internet. At least not … Read More »
The idea of this project is simple. I am turning a useless classical rotary phone into a fully functional device. These phones originate from an era where devices were built to last a lifetime. However, the necessary infrastructure has disappeared … Read More »
The goal of this project is to make a nice interface to my coffee-machine. It is already equipped with an ESP8266 from an earlier project. The most sensible approach would be to build an app for my smartphone, or integrate … Read More »
In previous posts, I already showed the making of a soldering station. Now I’ve taken it to the next level and made a battery-powered one. The result is a very concise box which can easily be taken for soldering jobs … Read More »
I needed an RPM measurement from a helicopter motor. The ESC I use is a YEP7A from HobbyKing. Unfortunately it has no free solder-pads. The pads used for programming are also connected to the FETs, probably to save some space … Read More »
I finally found some time to finish the soldering station and it works really well(er)! Power Supply As said in part 1, I used an old computer power supply. I removed it from the original case to adapt it to … Read More »
I’m still using my 20$ soldering station which I use since I got started with electronics. Now it’s time for an upgrade. Weller® quality is exceptional, but also exceptionally expensive. Some guys designed an open source Weller® soldering station which … Read More »
Heineken sells this speakerkratje for just under 10 euros. It has a nifty audio amplifier based on inductance from your phones speaker. For no good reason I decided to add a bluetooth receiver. Speakerkratje This is the speakerkratje: The bottom … Read More »
We have an old fashioned gas oven which does not have a thermometer inside. I bought a cheap digital thermometer from banggood for just over 5 euros. That’s already very nice, but would it not be cool if the temperature … Read More »