![circuit design - 4-wire fan controlled by potentiometer and 555 IC not behaving properly - Electrical Engineering Stack Exchange circuit design - 4-wire fan controlled by potentiometer and 555 IC not behaving properly - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/8UuSg.png)
circuit design - 4-wire fan controlled by potentiometer and 555 IC not behaving properly - Electrical Engineering Stack Exchange
![35 Awesome Spal Brushless Fan Wiring Diagram | Basic electronic circuits, Car mechanic, Automotive repair 35 Awesome Spal Brushless Fan Wiring Diagram | Basic electronic circuits, Car mechanic, Automotive repair](https://i.pinimg.com/originals/f5/ae/f3/f5aef3347226b4636898b29bd33962b8.jpg)
35 Awesome Spal Brushless Fan Wiring Diagram | Basic electronic circuits, Car mechanic, Automotive repair
![I bought 4-wire 5015 Sunon blower fans for my printer. Is there a way to make the PWM control wire work with an SKR 1.3 and Marlin? : r/BIGTREETECH I bought 4-wire 5015 Sunon blower fans for my printer. Is there a way to make the PWM control wire work with an SKR 1.3 and Marlin? : r/BIGTREETECH](https://preview.redd.it/i-bought-4-wire-5015-sunon-blower-fans-for-my-printer-is-v0-yoobp4dtk33b1.png?width=1080&format=png&auto=webp&s=4db9a7abae76d730e316fcad4d2e21d8de78542e)
I bought 4-wire 5015 Sunon blower fans for my printer. Is there a way to make the PWM control wire work with an SKR 1.3 and Marlin? : r/BIGTREETECH
![Schematic circuit diagram. Top, right: the three wires of the fan. The... | Download Scientific Diagram Schematic circuit diagram. Top, right: the three wires of the fan. The... | Download Scientific Diagram](https://www.researchgate.net/publication/361377106/figure/fig8/AS:11431281086510371@1664267670824/Schematic-circuit-diagram-Top-right-the-three-wires-of-the-fan-The-ground-wire-is.png)