Arduino Uno with LCD/Buttons shield on a breakout board. the area occupied by "ca1" shows each test combination that is tried and whether there was conductivity (1) or not (0). ca was the last attempt ...

Yes, there is a chance to realize one simple non-arduino project of a forgetful plant waterer! If you are looking for this option, digital output of the module must be linked to the little circuit ...

To analyze circuits with transistors, you need to understand how they work, how to model them, and how to apply some common techniques and tools. Find expert answers in this collaborative article ...

The test voltage is raised to 13.3 V dc again, and VR1 is adjusted so that the transistor turns on. With the upper and lower levels set, the NC point is connected to the circuit (15-V dc charging ...