

The ST-v2 Breakout Board, manufactured by StepperOnline (Part ID: ST-v2), is designed to simplify the connection and use of the STMicroelectronics ST-v2 microcontroller. This breakout board provides easy access to the microcontroller's pins and functionalities, making it an ideal choice for both prototyping and development purposes.








| Parameter | Value |
|---|---|
| Operating Voltage | 3.3V |
| Input Voltage | 5V (via USB) |
| Digital I/O Pins | 14 |
| Analog Input Pins | 6 |
| PWM Channels | 6 |
| Flash Memory | 32 KB |
| SRAM | 2 KB |
| Clock Speed | 16 MHz |
| Communication | UART, I2C, SPI |
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | VCC | 3.3V Power Supply |
| 2 | GND | Ground |
| 3 | D0 | Digital I/O Pin 0 |
| 4 | D1 | Digital I/O Pin 1 |
| 5 | D2 | Digital I/O Pin 2 |
| 6 | D3 | Digital I/O Pin 3 (PWM) |
| 7 | D4 | Digital I/O Pin 4 |
| 8 | D5 | Digital I/O Pin 5 (PWM) |
| 9 | D6 | Digital I/O Pin 6 (PWM) |
| 10 | D7 | Digital I/O Pin 7 |
| 11 | D8 | Digital I/O Pin 8 |
| 12 | D9 | Digital I/O Pin 9 (PWM) |
| 13 | D10 | Digital I/O Pin 10 (PWM) |
| 14 | D11 | Digital I/O Pin 11 (PWM) |
| 15 | A0 | Analog Input Pin 0 |
| 16 | A1 | Analog Input Pin 1 |
| 17 | A2 | Analog Input Pin 2 |
| 18 | A3 | Analog Input Pin 3 |
| 19 | A4 | Analog Input Pin 4 |
| 20 | A5 | Analog Input Pin 5 |
| 21 | RX | UART Receive |
| 22 | TX | UART Transmit |
| 23 | SCL | I2C Clock |
| 24 | SDA | I2C Data |
| 25 | MOSI | SPI Master Out Slave In |
| 26 | MISO | SPI Master In Slave Out |
| 27 | SCK | SPI Clock |
| 28 | RST | Reset |
// Example code to blink an LED connected to pin D13
void setup() {
pinMode(13, OUTPUT); // Set pin D13 as an output
}
void loop() {
digitalWrite(13, HIGH); // Turn the LED on
delay(1000); // Wait for 1 second
digitalWrite(13, LOW); // Turn the LED off
delay(1000); // Wait for 1 second
}
Microcontroller Not Powering On:
Digital Pins Not Responding:
Analog Readings Are Inaccurate:
Communication Issues:
By following this documentation, users can effectively utilize the ST-v2 Breakout Board in their projects, ensuring proper connections and functionality.