Last night I woke up about 4 AM and realized that I don't have to use any Arduino(s) for the Cable Tester. I remembered that I had picked up a VME chassis with a bunch of Rotec I/O cards. The final configuration will be 256 channels ...
I wanted to do something with OLEDs (organic LEDs) as I have never used any of them and I wanted to find out more. After some research it seems that they are tiny display that are quite bright. So, after a while thinking about how they could be used ...
Arduino or any other controller need TTL signal levels at input to count pulses and only work with square wave.
So what if we want to find out the frequency of sine ,triangular or low voltage square wave?
We can solve this problem with the he...