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Ultrasonic Module HC-SR04 + HC-SR501 Human Infrared Sensor Module

$11.50 $9.99

  • Full Refund if you don’t receive your order
  • Full or Partial Refund, if the item is not as described

Processing time: Ships in 24 hours

32 in stock

SKU: 40313 | 972697 Category:

Description

HC-SR501 Human Infrared Sensor Module Including Lens

Feature:

Operating Voltage: DC 5V-20V
Static power consumption: 65 microamps
Level Output: High 3.3V , Low 0V
Delay time:Adjustable (0.3 seconds to 10 minutes)
Blocking time: 0.2 seconds
Trigger: L can not be repeated, H can be repeated, the default value is H
Induction Range: Cone angle of less than 120 degrees, less than 7 meters
Working temperature: -15℃-70℃

Application:

Automatic lighting hallways, corridors, bathrooms, basements, warehouses, garages, and other places, automatic ventilation exhaust fan and other electrical appliances (incandescent, fluorescent, buzzer, automatic doors, electric fans, dryers and automatic washing machine) especially for use in businesses, hotels, shopping malls, warehouses, sensitive areas or security zones and alarm systems. Can also be used for security purposes


Ultrasonic Module HC-SR04

Feature:

Working Voltage : 5V(DC)
Static Current: Less than 2mA.
Output Signal: Electric frequency signal, high level 5V, low level 0V.
Sensor Angle: Not more than 15 degrees.
Detection Distance: 2cm-450cm.
High Precision: Up to 0.3cm
Input Trigger Signal: 10us TTL impulse
Echo Signal : output TTL PWL signal
Mode of connection:
VCC
trig(T)
echo(R)
GND

Use method:

Supply module with 5V, the output will be 5V while obstacle in range, or 0V if not.The out pin of this
module is used as a switching output when anti-theft module, and without the feet when ranging modules.
Note : the module should be inserted in the circuit before been power, which avoid producing high level
of misoperation;if not, then power again.

Module Working Principle:

1. Adopt IO trigger through supplying at least 10us sequence of high level signal.
2. The module automatically send eight 40khz square wave and automatically detect whether receive
the returning pulse signal.
3. If there is signals returning, through outputting high level and the time of high level continuing is
the time of that from the ultrasonic transmitting to receiving. Test distance =(high level time * sound velocity (340M/S) / 2.

Package included:

Ultrasonic Module HC-SR04 + HC-SR501 Human Infrared Sensor Module

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