I’ve been thinking about buying a 3D printer for more then a year. What put me of buying one is simple, time. I know people that have a reprap 3D printer, and from their experience I have learned that it’s a very time consuming device. And then I’m just talking about the printing part. Before […]
I was getting a bit frustrated with my old lab power supply, a Manson EP925. I bought it second hand many years ago during my student years. The problem with it is that it has only one output. For many electronics projects I need several voltages, like 3V3 and 5V. Dangerous prototypes sells a PCB […]
I found a little heart rate sensor @ ICstation. It is a clone of the open hardware pulse sensor. The sensor is well documented, and it comes with Arduino and Processing example code. To try it out I connected the sensor to an ATmega328 running at 3.3V and loaded the example Arduino code. I could […]