Schottky diodes are known for their low forward voltage drop and a very fast switching action. This 1A 40V Schottky diode is ideal for use with motor drivers such as the L298N.
This is a simple, very common rectifier diode. Often used for reverse voltage protection, the 1N4001 is a staple for many power, DC to DC step up, and breadboard projects. 1N4001 is rated for up to 1A/50V.
Zener diodes are useful for creating a reference voltage or as a voltage stabilizer for low-current applications.These diodes are rated for 5.1 volts with a maximum of 1W. Price is for a single diode.
This is a very common signal diode - 1N4148. Use this for signals up to 200mA of current.