To control 2 motors and handle USB D+ and D- signals, I recommend using a microcontroller with built-in USB support, such as the STM32F103C8T6 (also known as the "Blue Pill"). This microcontroller has a USB peripheral that can interface with D+ and D- lines, and it also has multiple PWM outputs for controlling motor speed.

For controlling the motors, you can use the built-in PWM channels connected to a motor driver like the L293D or L298N. These drivers take PWM signals from the microcontroller and control the direction and speed of the motors.

To interface with the USB-C Receptacle (Module1), connect D+ and D- pins from the microcontroller to the D+ and D- pins of Module1 respectively. Also, connect the 3V3 output from Module1 to the microcontroller's power supply input (usually labeled as VDD or VCC) and connect the GND pins together.

Keep in mind that you may need to develop or use existing USB device drivers for the STM32F103C8T6 to communicate with a USB host.

@copilot and i use 3v3 powwe

Yes, you can use the 3.3V power provided by Module1 for the STM32F103C8T6 microcontroller. Connect the 3V3 output from Module1 to the microcontroller's power supply input (usually labeled as VDD or VCC) to provide the necessary power to the microcontroller. Also, don't forget to connect the GND pins of both the microcontroller and Module1 together to ensure a common ground reference.

When using the STM32F103C8T6, make sure to configure the bootloader and firmware for 3.3V operation, since it supports both 3.3V and 5V power supply voltages.

@copilot is there a another one?

@marcusgg Yes, there are other microcontrollers with USB support and PWM output capabilities that you can consider for your project. One alternative is the ATmega32U4, which is used in Arduino Leonardo and Arduino Micro boards. The ATmega32U4 has built-in USB support and multiple PWM outputs for controlling motors.

To interface the ATmega32U4 with the USB-C module (Module1), connect the D+ and D- pins from the microcontroller to the D+ and D- pins of Module1, respectively. Connect the 3.3V output from Module1 to the power input of the ATmega32U4, typically labeled as VCC, and connect the GND pins together.

Ensure that any bootloader and firmware you use with the ATmega32U4 are configured for 3.3V operation. It's also worth noting that, in comparison to the STM32F103C8T6, the ATmega32U4 has a lower operating frequency and fewer available I/O pins, so make sure it meets your project needs.

Based on the current project components and connections, there are no specific components that explicitly require resistors. However, it's generally a good idea to consider adding pull-up or pull-down resistors to microcontroller I/O pins to avoid floating pins and potential issues with noise or false triggering.

For the ATmega32U4 (U1) I/O pins, 10k ohm resistors are commonly used as pull-up or pull-down resistors. You can add these resistors to the I/O pins as needed, depending on the specific connections and requirements of the design.

Remember that depending on what peripherals or off-board components you are connecting to the microcontroller's I/O pins, you may need to adjust the resistor values based on the specific requirements of those components.