Here are some keyboard exercises covering various aspects of piano playing.

Some are more involved/advanced than others. Some may appear very basic.

They should all be practised SLOWLY and with conscious attention.

Finger Exercises

Finger Exercises #01

Finger Exercises #03

Finger Exercises #02

The Major Chords

Major Chords 01

Major Chords 02 inversions

Cycle of Fifths

Cycle of Fifths Exercises #01

Cycle of Fifths Exercises #02

Cycle of Fifths Exercises #03

Cycle of Fifths Exercises #04

II V I progressions

II V I Exercises #01

II V I Exercises #02

Intervals

Intervals Exercise #01

Intervals Exercise #02

Intervals Exercise #03

Intervals Exercise #04

Augmented Chords

Maj Triad Aug Triad #01

Diminished Chords

Diminished Exercises #01a

Diminished Exercises #02