Digital stir plate

The use case is for yeast growth for beer production. There are a lot of simple designs on the market however I would like to work with someone to make one with a difference. I am able to print PCBs and source parts. Current requirements: * DC input 12-24v to be used with a standard wall plug pack * High quality DC brushless motor with very high MTBF * balanced component to fit on motor shaft with neodymium magnets; magnets North/South, counter weights East/West – to avoid vibration and improve longevity of the motor Example of simple PC fan design without balance: [login to view URL] * Digital rpm control 0 -> 3,000 rpm with 100rpm increments * Buttons: on/off, speed up, speed down * Ability to press up or down button and increment speed by 100rpm * Ability to hold down up or down button to quickly increment speed steps * Segmented LCD display or I2C OLED display to show rpm, preference on OLED