HC-SR501 White+Green Adjust IR Pyroelectric Infrared PIR Motion Sensor Detector Module For Arduino
Certification:CE ,Rohs
Model Number:HC-SR501
Minimum Order Quantity:50pcs
Delivery Time:3-5 days after confirm your payment for sample order or according to your order quantity
Payment Terms:Paypal ,Western Union or T/T, MoneyGram
Place of Origin:China
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Location:
Shenzhen Guangdong China
Address:
RM533 Gonglehuating Building Xinhu Road Xixiang Town Bao'an District Shenzhen City Guangdong Province ,China
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Features:
1. Automatic induction: When someone enters its induction range,
enter the high level, people leave the sensor range is
automatically delayed off high. Output low.
2. photosensitive control (optional): the module reserved for
location, can be set to photosensitive control, strong light during
the day or not induction. Photosensitive control is optional, the
factory did not install photosensitive resistor. If necessary,
please buy a separate photosensitive resistor to install.
3. Two trigger modes: L is not repeatable, H is repeatable. Can be
jumper selected, the default is H.
A. non-repeatable trigger mode: the induction output high, the
delay time is over, the output will automatically change from high
to low.
B. Repeated trigger mode: that is, after sensing the output high,
in the delay time period, if the human body in its sensing range of
activities, its output will remain high until the delay after the
person will leave the high The level changes to low level (the
sensing module automatically delays a delay time after every
activity of the human body, and takes the time of the last activity
as the starting point of the delay time).
4. Induction blocking time (default setting: 3-4 seconds): After
each sensing output (high level goes low), the sensing module can
be followed by a blocking time, during which it is sensed The
device does not receive any sense signals. This function can be
used to achieve the interval between the sensing output time and
the blocking time. It can be applied to the interval detection
products. At the same time, this function can effectively suppress
all kinds of interference in the process of load switching.
5. Wide operating voltage range: the default operating voltage DC5V
to 20V
6. Micro-power: Quiescent current 65 microamps, especially for dry
battery-powered electrical products.
7. Output high-level signal: can be easily with various types of
circuits to achieve docking.
Specification :
Color: White + Green
Dimension: 3.2cm x 2.4cm x 1.8cm (approx)
Infrared sensor with control circuit board
The sensitivity and holding time can be adjusted
Working Voltage Range: DC 4.5V- 20V
Current drain:<50uA
Voltage Output: High/Low level signal:3.3V TTL output
Detection distance: 3--7M(can be adjusted)
Detection range: <100°
Delay time: 5-200S(can be adjusted, default 5s +-3%)
Blockade time: 2.5 S (default)
Trigger: L: Non-repeatable trigger H: Repeat Trigger (default)
Work temperature:-20-+80°C
Trigger Method: L unrepeatable trigger / H repeatable trigger
Instructions for use:
1 induction module power about one minute after the initialization
time, at this time the module will output 0-3 times a minute, a
minute into the standby state.
2. Light and other interference should be avoided Directly close
the surface of the lens module, so as not to introduce interference
with the signal to produce malfunction; use of the environment as
far as possible to avoid
Free flow of wind, the wind will cause interference to the sensor.
3. Sensor module with dual element probe, the probe window is
rectangular, dual element (A yuan B yuan) in the longer direction
at both ends, when the body from left to right
Or from right to left through the infrared spectrum to reach the
dual time, distance difference, the greater the difference, the
more sensitive induction, when the body from the front to the probe
Head or from top to bottom or from bottom to top direction, the
dual element can not detect infrared spectral distance changes, no
difference, so the sensor insensitive or does not work; so the
sensor should be installed so that the direction of the probe dual
And the direction of human activity as much as possible parallel to
ensure that the body has been through
Probe dual element induction. In order to increase the sensing
angle range, this module uses a circular lens, also makes the probe
four sides are sensitive, but the left and right sides are still
However, compared with the upper and lower direction of the two
induction range, sensitivity, installation must still try to
according to the above requirements.
Use should pay attention to the following points:
1.the DC voltage must meet our requirements, too high and too low
will affect the performance of the module, but also requires the
power supply must be a good regulator filter, such as computer USB
power, mobile phone charger power supply, the old 9V stacked
battery Are unable to meet the module work requirements, it is
recommended that customers use the power transformer and the
regulator through the three-terminal voltage regulator and then
through the 220UF and 0.1UF capacitor filter power supply.
2. Although the human body is not in front of the module, but the
human body from the module is too close to the module can also be
caused by the sensor output, as well as debugging the human body do
not touch the circuit part will also affect the module work , A
more scientific approach is to output a LED or a multimeter, the
module covered with a newspaper, people leave the room, so 2
minutes to see whether the module has been or have output?
3.the module does not take the load to work properly, connected to
the load after the work of chaos, one reason is because the power
capacity is very small load power consumption, load caused by
voltage fluctuations caused by the module malfunction, the other
reason is the load The power will have interference in the work,
such as relays or electromagnets and other inductive load will
produce a reverse electromotive force, 315M emission plate will
have electromagnetic radiation and other work will affect the
module. The solution is as follows: A, the power part of the
inductor filter. B, using the load and the module using different
voltage methods, such as: load using 24V operating voltage, the
module uses 12V operating voltage, during which the use of
three-terminal regulator isolation. C: Use a larger capacity power
supply.
4. the human body sensor module can only work indoors and the work
environment should avoid the sun, a strong direct light exposure,
if the work environment has a strong RF interference, you can use
shielding measures. In case of strong air interference, close the
doors and windows or prevent convection. The induction area to
avoid facing the heating appliances and objects as well as easy to
wind debris and clothing.
5. the human body sensor module is recommended to install in a
sealed box, otherwise there may have been the output signal.
6.if the body sensor module detection angle is less than 90
degrees, you can use opaque adhesive tape to cut off the lens or
cut lens to achieve.
7.the human body sensor module with dual element probe, the body's
hands and feet and head movement direction and the sensitivity of
the sensor is closely linked, and the infrared module determines
the characteristics of the sensor can not accurately control the
distance.
8. the module of the probe (PIR) can be mounted on the other side
of the circuit board. The probe can also be extended with a
two-core shielded cable, the length should be less than 20 cm as
well.
HC-SR501 White+Green Adjust IR Pyroelectric Infrared PIR Motion Sensor Detector Module For Arduino
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