message: Adds alt stepper driver board supplier to pizza BOM
diff: @@ -51,7 +51,7 @@ This build depends on already having a Brain build, which has its own BOM [here]
  | 11 | 1 | | | 6.98 | buy | [Z][11amzn] | use these to simulate lung compliance |
  | 12 | 1 | RespiraWorks | PCB1 | | **ask** | [B][12rw] | RespiraWorks Ventilator Mainboard Rev 1 PCB |
  | 13 | 1 | RespiraWorks | Power input 1 | | **ask** | [B][13rw] | Power Input cable |
  -| 14 | 1 | Digikey | X-NUCLEO-IHM03A1 | 10.64 |*ask first*| [K][14key] | Stepper driver dev board |
  +| 14 | 1 | Digikey | X-NUCLEO-IHM03A1 | 10.64 |*ask first*| [K][14key] [M][1mr] | Stepper driver dev board |
  | 15 | 1 | RespiraWorks | PinchValve1.4 | | **ask** | [B][15rw] | Marc-designed stepper pinch valve rev 1.4 |
  | 16 | 2 | RespiraWorks | Venturi2 | | **ask** | [B][16rw] | Ethan-designed 10-32 threaded venturis Rev 2 |
  | 17 | 1 | | WS7040-12-X200N | 52.65 |*ask first*| [A][17ali] | 12v blower and driver. Make sure to choose w/driver when ordering. |
  @@ -87,6 +87,7 @@ This build depends on already having a Brain build, which has its own BOM [here]
  [17x-won]: https://wonsmart-motor.en.made-in-china.com/product/hsjxFewOppVg/China-Air-Pump12V-Brushless-Motor-12V-Blower-Fan-Driver.html
  [18rw]: ../../1_Ventilator_System_Design/Electrical_System/wiring.md
  [19rw]: ../../1_Ventilator_System_Design/Electrical_System/wiring.md
  +[1mr]: https://www.mouser.com/ProductDetail/511-X-NUCLEO-IHM03A1
  ## Tooling BOM
  