AJ-SR04M is
an ultrasonic ranging module. This is the industrial product using low-power chip to ensure
stability. waterproof probe, stable performance. This module is used to
complete the HC-SR04D range
module. and serial output format directly to shoot the connection.
Features
Model :
AJ-SR04M
Ultra-low
power 20uA low power consumption. (Battery voltage can be use).
Verity mode
operation with different power option.
Uses
waterproof type ultrasonic probe due to prevent the water dust failure
Industrial design, up to
8 meters long range of measurement, blind20cm , high stability.
Range
measuring distance must be >0.5 squire meter.
Specification
Operating
Voltage: 3.3V (3.0V~5.5V)
Operating
Current : 2mA
Low Power
Consumption : 20uA
Output the
echo signal : Output TTL,
Serial port 5 mode selection
Serial output
format : 9600 n 8 1
Frequency :
40KHz
Detection
Range : 20cm ~8m
Measuring
Angle : 80˚ +/-15˚
Operating
temperature : -20℃ ~ 75℃
Circuit Application
Intelligent car
range, obstacle avoidance,
Measurement the
distance of object height of body,
Intelligent
traffic control and parking control,
Teaching and
research, security, industrial control