![](https://i0.wp.com/www.exploringarduino.com/wp-content/uploads/2019/07/1N4001-Diode.jpg?resize=350%2C263&ssl=1)
Image courtesy of Adafruit
Diodes are two-terminal passive devices that allow current to flow in only one direction. They are frequently used to protect from voltage spikes, to protect I/O pins, to form rectifiers, and more.
Image courtesy of Adafruit
Diodes are two-terminal passive devices that allow current to flow in only one direction. They are frequently used to protect from voltage spikes, to protect I/O pins, to form rectifiers, and more.