Create only the main empty schematic blocks for an automotive stepper valve controller.
Blocks:
- Power input
- 5V regulator
- 3.3V regulator
- STM32 microcontroller
- Stepper motor driver
- NTC temperature input
- I2C display connector
- Rotary encoder connector
- 24 pin main connector
Do not select components yet.
Do not wire anything yet.
Only create labeled block