HC-SR501 PIR Motion Sensor
$3.991 pcs
HC-SR501 Human body infrared sensing electronic module sensor pyroelectric probe sensing switch
| Dimensions | 32 × 24 × 20 mm |
|---|---|
| Brand |
easyelecmodule |
1013 in stock
HC-SR501 Motion Sensor PIR Product Introduction
“HC-SR501 is the most popular PIR motion sensor for beginners and pros – detect movement, trigger devices, and build smart projects with adjustable range and easy setup.”
HC-SR501 Product Specifications
| Operating Voltage Range | DC 4.5 – 20V |
| Detection Range | 5 – 7m |
| Output Level | High 3.3V / Low 0V |
| Standby Current | <50uA |
| Operating Temperature | -15—87° C |
| Detection Angle | Approximately 110° |
| Lockout Period | 2.5s (default) |
| Delay Time | 0.5s – 200s |
| Size | 32mm x 24mm x 20mm |
| Compatible Devices | Arduino, ESP32, Raspberry Pi |
What functions does HC-SR501 have？
1、Fully automatic sensing: Outputs a high voltage level when a person enters its detection range and automatically switches to a low voltage level after a delay when the person leaves.
2、Light sensitivity control (optional, not set by default): Can be configured to avoid triggering in bright daylight.
3、Temperature compensation (optional, not set by default): Compensates for reduced detection range in high temperatures (30-32°C) during summer.
4、Adjustable potentiometers:
①Distance adjustment: Rotating counterclockwise reduces range (to ~3m); rotating clockwise increases range (to ~7m).
②Delay adjustment: Rotating counterclockwise shortens the delay (to ~0.5s); rotating clockwise extendit (to ~300s).
5、Two trigger modes :
③Repeat trigger (H mode): Maintains a high voltage level as long as movement is detected within the delay period.
Single trigger (L mode): Automatically switches to low voltage level after the delay ends, regardless of movement.
6、Detection lockout period (default: 2.5s): After each trigger (when the high level switches to low), the sensor ignores new signals for a set period to prevent rapid re-triggering.
Why choose HC-SR501?
1、“Adjustable for flexibility”: Equipped with dual potentiometers, the detection range and delay time can be adjusted to fit different scenarios.This HC-SR501 adjustable range feature ensures it fits various needs effortlessly.
2、“King of cost performance”: Low price with high performance , affordable for beginners, bulk purchases.This affordable HC-SR501 PIR sensor doesn’t fall short in functionality compared to more expensive sensors.
3、“No compatibility issues”: 3.3V-5V wide voltage power supply, directly compatible with Arduino, ESP32, Raspberry Pi, and only 3 steps for wiring
4、“Stable and less troublesome”: A mature, market-proven solution that reduces false triggers and is suitable for long-term use.This reliable HC-SR501 motion detection capability ensures consistent performance over time.
HC-SR501 Application Scenarios: What can it do for you?
1、Smart Home: Use HC-SR501 to build automatic sensor lights (corridors, bathrooms) that turn on when someone comes and off when they leave, eliminating the need to fumble for switches in the dark! Advantage of HC-SR501: Adjustable delay time (e.g., set a 5-minute delay in the bathroom to avoid frequent on/off).
2、DIY Maker Projects: Install HC-SR501 in pet feeders to automatically dispense food when pets approach; make smart trash cans that open the lid when you stretch your hand. Advantage of HC-SR501: Simple wiring (VCC+GND+OUT) and abundant Arduino code examples, allowing beginners to get started in 10 minutes.
3、Security and Alarms: Pair with a buzzer or WiFi module to create a home security alarm. When a stranger breaks in, HC-SR501 detects movement, immediately triggers the alarm, and sends a notification to your phone, protecting your home at a low cost. Advantage of HC-SR501: 110° detection angle for wide coverage, and adjustable sensitivity to prevent false triggers from pets (suitable for small apartments).
4、Commercial Automation: Install HC-SR501 in sensor flushers and automatic hand dryers in shopping mall restrooms and public corridors to start when someone comes and shut down when they leave, saving energy and ensuring hygiene. Advantage of HC-SR501: Wide voltage adaptation, stable long-term operation, and reduced maintenance costs.
Buy HC-SR501 now and enjoy an immediate discount – don’t hesitate to add it to your cart!
Shipping Cost
We only ship to the United States. Shipping costs are calculated based on the total order amount.
Shipping Method And Delivery Time
All orders will be processed and shipped within 72 hours of placing the order (excluding weekends and holidays). They will ship from Shenzhen, China, primarily via 4PX logistics. Depending on the destination and logistics conditions, other carriers such as DHL, FedEx, UPS, USPS, etc., may also handle the delivery. Estimated shipping time is 7-12 business days, with actual delivery occurring in 10-17 business days, depending on logistics conditions.
Payment:
We accept Visa, Master card, Maestro, American Express, JCB, Dinner's Club, Discover, Paypal, Apple Pay, Google Pay .
Reviews
There are no reviews yet.