Description

Elecrical Parameters

Module:                       AJ-SR04M Ultrasonic Module
Working Voltage:         DC 3-5.5V
Working Current:         40mA Duration Less than 50us
Standby Current:         2mA
Low Power Current:    Mode 2 Current is 40 uA, Mode 4 and 5 Current is 20 uA
Working Frequency:    40KHz
Furthest Range:          8M
Recent RAnge:           20cm
Measuring Angle:       75 degrees
Input Triger Signal:    2:Trig/RX Trigger/Serial Receiver/Switch Enablation
                                  2:Echo/TX Pluse Width Output/Serial Output/Switch Output
Output Echo Signal:     Output TTL, Serial Port 5 Mode Selection
Serial Port Output Fromat:    9600 n 8 1
Resolution:               About 2mm
Working Temperature:    -20~75°C
Storage Temperature:    -40~80°C
Status Indicator:        LED Indicating Status, One Flash/Switch Output Status
Size:                         41.3*28.5*23mm

For more info

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