STM8S103 Ultrasonic Distance Board – 3–400cm

The STM8S103 Ultrasonic Sensor Distance Measurement Board is a module designed to interface with ultrasonic sensors such as the HC-SR04 for precise distance detection. It features an onboard STM8S103 microcontroller, providing digital tube display and serial port output for measurement data. The board supports distances from 3?cm to 400?cm with a display unit in centimeters and a maximum measurement error of 5?mm. It operates at 5?V DC and communicates via a 9600?baud serial connection, making it compatible with USB-to-TTL modules and suitable for testing, robotics, and object detection applications.

Please note Ultrasonic board in not included.

Features

Microcontroller Unit: Onboard STM8S103 8-bit MCU for distance processing

Measurement Range: Valid distance detection from 3 cm to 400 cm

Display Interface: Integrated digital tube display for real-time distance output

Serial Communication: UART data output at 9600 baud for external monitoring

Sensor Compatibility: Supports HC-SR04 ultrasonic sensor module connection

Operating Voltage: 5 V DC power input

Measurement Unit: Distance display in centimeters

Specification

Brand / Model | STM8S103 Ultrasonic Distance Measurement Board

Product Type | Ultrasonic Sensor Distance Measurement Board

Microcontroller | STM8S103 8-bit MCU

Measurement Range | 3–400 cm

Measurement Unit | Centimeters (cm)

Maximum Measurement Error | 5 mm

Display Type | Digital tube display

Serial Interface | UART

Baud Rate | 9600 bps

Operating Voltage | 5 V DC

Sensor Compatibility | HC-SR04 ultrasonic sensor

Applications | Distance testing, sensor evaluation, object detection