HC-SR04 Ultrasonic Sensor + Ranging Module Test Board Serial Output Digital LED

Description: Onboard STM8S103 high-performance microprocessor with digital display. Data is also transmitted through the serial port, effective measurement of distance is 3cm-400cm. Display unit: cm, maximum error: 1%, operating voltage: 5V. Measurement distance can be displayed through the digital tube and serial port. Digital tube display: Insert the ultrasonic module directly, access 5V power supply. Specification: Display unit: 3-400cm. Maximum error: 1%. Operating voltage: 5V. Size: 24.2 * 35.1mm. Features: * Working Voltage : 5V(DC) * Static current: Less than 2mA. * Output signal: Electric frequency signal, high level 5V, low level 0V. * Sensor angle: Not more than 15 degrees. * Detection distance: 2cm-450cm. * High precision: Up to 0.3cm * Input trigger signal: 10us TTL impulse * Echo signal : output TTL PWL signal Mode of connection: 1.VCC 2.trig(T) 3.echo(R) 4.GND Specifications: Color: Blue & Silver Item size: 44*20*15mm Package Included: HC-SR04 Ultrasonic Sensor + Ranging Module Test Board Serial Output Digital LED Instructions/schematic are NOT included. We don't provide technical assistance please make sure that you are familiar with the product before purchasing.