HC SR501 – PIR Motion Detection Sensor
- Supply Voltage: 5V
- Output: 3.3V TTL Logic
- Infrared Sensor with Control Circuit Board
- Adjustable Sensitivity and Holding Time
- Coverage: 120° and 7m range
- Low power consumption: 65mA
- Temperature Range: -20°C to 80°C
Original price was: ₹99.₹66Current price is: ₹66.
HC SR501 – PIR Motion Detection Sensor :
For the safety and security of our homes or any other places, it’s crucial to install alarm systems. Motion sensors are a key part of these systems. We can also use PIR (Passive Infrared) Sensors for the same purpose. The HC SR501 is an affordable PIR sensor that can detect the presence of humans or animals by sensing the Infrared Radiation emitted from their bodies. The sensor’s sensitivity can be adjusted using a control potentiometer, and it also features an onboard signal conditioning circuitry and a Fresnel Lens to enhance its field of view. It’s commonly used in motion-activated lights in bathrooms, halls, rooms, etc., and in alarm applications.
Specifications:
- Supply Voltage: 5V
- Output: 3.3V TTL Logic
- Infrared Sensor with Control Circuit Board
- Adjustable Sensitivity and Holding Time
- Coverage: 120° and 7m range
- Low power consumption: 65mA
- Temperature Range: -20°C to 80°C
To connect it to any microcontroller, power the device with 5V and GND pin from your controller like Arduino, Raspberry Pi, PIC, etc. Connect the output pin to any GPIO pin of your controller and proceed with your desired program. Adjust the sensitivity and time delay according to your preference using the two potentiometers provided on the module. You can also select the mode – whether you want the output to remain high or go low after a certain time when a motion is detected.
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- Voltage measuring range: DC 0-100V,
- Current measuring range: DC 0-10A
- Working voltage 4.5 to 30V DC.
- Input current: Less than 20mA
- Dual 4 bit 0.28″ clear LED display – RED for Voltage and Sky Blue for Current Display
- Display Resolution: 0.1V, 0.01A
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- Operating voltage: +5V
- Operating Current: <15mA
- Theoretical Distance that can be measured: 2cm to 4m
- Practical Distance that can be measured: 2cm to 80cm
- Accuracy: 3mm
- Measuring angle covered: <15°
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- Input Voltage Range: 3VDC to 24VDC
- Efficiency upto 93%
- Output Voltage Range: 5VDC to 26 VDC
- Inexpensive and provide high current
- Simple to adjust the output Voltage
- Maximum Output current 2A
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- I/O pins are 5V and 3.3V compliant
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- 20mA supply current
- Mounting hole
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- LED Indicators
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- Digital output
- Easy to integrate
- Operating voltage 3.3 to 5V
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A3144 Hall Sensor Specifications and Features:
- Power Consumption of 3.5mA at VCC = 5V for Energy Efficiency
- Miniature Construction
- Single Current Sourcing Output
- Linear Output for Circuit Design Flexibility
- Low Noise Output Virtually Eliminates the Need for Filtering
- A Stable and Accurate Output
- Temperature Range of -40°C to +85°C
- Responds to Either Positive or Negative Gauss
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Applications of NTC Thermistor:
- Resistance at 25 degrees C: 10K +- 1%
- B-value (material constant) = 3950+- 1%
- Dissipation factor (loss-rate of energy of a mode of oscillation) δ th = (in air) approx.7.5mW/K
- Thermal cooling time constant <= (in air) 20 seconds
- Come with broad resistance range
- Provided with lacquer-coated thermistor disk
- Thermistors
- Resistance Temperature Device (RTD):
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Features:
– Power-Supply: 12V DC.
– Sensor Cable Length: 0.5 meters.
– LED Indicator: Illustrates the current relay state.
– Compact Size: 48mm x 40mm x 14mm in dimension and have a weight of 20g.
– Relay Capacity: The transformer can handle 240V AC, 5A or 14V DC, 10A.
50 in stock
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