CircuitGeek

Have you ever seen the on the technology or electronic exhibitions and found out some amazing touch screen, where the screen can changes according to your body heat?
Well, it’s definitely a fun experience for sure. However, did you ever thought that you also can DIY a sensitive Fabrica Touch Sensor for your own purpose?
Today, you’ll [...]

Today, we are going to have a further look on this SwissFlow FlowSensor. Let’s me describe the details or functions for the components inside this project.
Square wave signal, which in between 50Hz and 2000Hz can be detected in the sensor. The measure frequency is divided by 10 and it’s measured in liter/minute.

The resistor R1 (2K2) [...]