Ultrasonic Sensor Waterproof AJ-SR04M

Description

• Operating voltage: DC 5V
• Quiescent current: 5mA
• Total current work: 30mA
• Acoustic emission frequency: 40kHz
• Farthest distance: 4.5m
• Blind: 25cm
• Wiring:   + 5V (positive power supply)
  Trig (control side) RX
  Echo (the receiver) TX
  GND (negative)
• Resolution:  About 0.5cm
• Angle:  Less than 50 degrees
• Working temperature:  -10 ~ 70 Celsius
• Storage temperature:  -20 ~ 80 Celsius

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