Pulse width output: serial port output

Working voltage: DC: 3.0-5.5v
Working current: less than 8 Ma
Probe frequency: 40KHz
Long range: 600cm
Short range: 20cm
Long range accuracy: ± 1cm
Resolution: 1 mm
Measuring angle: 75 degrees
Input trigger signal: 1, more than 10us TTL pulse, 2, serial port send command 0x55
Output echo signal: output pulse width level signal, or TTL
Wiring mode: 3-5.5v (positive pole of power supply). Trig Rx. Echo TX. GND (negative pole of power supply)
Product size: l42 * W29 * H12 mm
Working temperature: - 20 ℃ - + 70 ℃
Product color: PCB is blue