That led to an exploration of how those work and how you can use them, ... (one of them a zener diode). ... showed a bunch of other two-lead components on his setup.

The presented solution for measuring voltage of Zener diodes using Arduino is completely new and original. ... Modules 5VA and 5VB are dedicated for MCU Arduino Nano and Digital Led Voltmeter. Modules ...

Connect diode as shown. Connect capacitor and zener diode across 4.7k; Connect a wire from n-terminal of diode to the analog pin A0 of Arduino. ** Note: Do connect ground pin of Arduino to the point ...

During the positive half-cycle D1 limits the voltage on LED and R1 at 2.7 Volts. During the negative half-cycle D1 acts like a normal diode preventing a high increase of the voltage. If we use a ...