This 10K trimmable potentiometer has a small knob built right in and it's breadboard friendly to boot!
This is a simple, subminiature size, axial lead mounted rectifier diode. The 1N4001 is rated for up to 1A/50V.
This is a simple, subminiature size, axial lead mounted rectifier diode. The 1N4004 is rated for up to 1A/400V.
