Description
Description
Features
- Onboard STM8S103 high-performance microprocessor
- With digital display
- Data can be output through the serial port
- Effective measuring distance: 3cm – 400cm
- Display unit: cm
- The biggest error: about 1%
- Working voltage: 5V
Interface Description
- VCC, GND: 5V power interface
- 2.54mm white socket: 5V power supply interface
- TX: module serial port to send foot
- RX: module serial port receive pin
- NRST, SWIN: reserved STM8 program download port
Instructions for use
- Measurement distance can be displayed simultaneously through the digital tube and serial port
- Digital display, directly plug in the ultrasonic module, access 5V power supply
- Serial port output: plug in the ultrasonic module, the module’s VCC, TX, RX, GND are connected to USB to TTL module 5V, RX, TX, GND, serial communication baud rate 9600, the output format: “D: XXX r n “, Where XXX represents the distance, the unit is CM
Precautions
- Ranging, the measured object area of not less than 0.5 square meters and should be as flat as possible and slightly stronger reflective ability, otherwise it will affect the test results.
- Effective measuring distance 3cm-400cm, beyond this range may result in data is not allowed or display 000
Package Includes
1 x Ultrasonic Distance Measurement Control Board
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