--- product_id: 143246164 title: "CentIoT - HC-SR501 SR501 - Pyroelectric Infrared PIR Motion Proximity Sensor Module" brand: "centiot" price: "17.96 DT" currency: TND in_stock: true reviews_count: 4 url: https://www.desertcart.tn/products/143246164-centiot-hc-sr501-sr501-pyroelectric-infrared-pir-motion-proximity-sensor store_origin: TN region: Tunisia --- # 9m range DC 4.5-20V Adjustable delay 5-200s CentIoT - HC-SR501 SR501 - Pyroelectric Infrared PIR Motion Proximity Sensor Module **Brand:** centiot **Price:** 17.96 DT **Availability:** ✅ In Stock ## Summary > 🚀 Elevate Your Space with Smart Motion Detection! ## Quick Answers - **What is this?** CentIoT - HC-SR501 SR501 - Pyroelectric Infrared PIR Motion Proximity Sensor Module by centiot - **How much does it cost?** 17.96 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/143246164-centiot-hc-sr501-sr501-pyroelectric-infrared-pir-motion-proximity-sensor) ## Best For - centiot enthusiasts ## Why This Product - Trusted centiot brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **🏠 Sleek Design:** Compact and lightweight, perfect for discreet installations anywhere. - • **🔒 Smart Security:** Elevate your home or office security with cutting-edge motion detection. - • **💡 Energy Efficient:** Quiescent current under 50uA ensures minimal power consumption. - • **🌐 Broad Compatibility:** Works seamlessly with Arduino, Raspberry Pi, and more for endless possibilities. - • **🔄 Versatile Triggering:** Choose between single or repeated triggers for tailored automation. ## Overview The CentIoT HC-SR501 PIR Motion Proximity Sensor Module is a versatile and efficient solution for both residential and commercial security needs. With a wide operating voltage range, adjustable delay settings, and compatibility with various devices, this sensor is designed to enhance automation and energy management while ensuring a sleek and unobtrusive installation. ## Description RCWL-0516 is a doppler radar microwave motion sensor module which can act as an alternative to a PIR motion sensorPinFunction 3V 33.3V regulated output. Max 100mA (?) GND Ground OUT Trigger: high (3.3V) if motion detected. 0V normally. VIN4 - 28V supply voltage CDSLDR 10-20k RL, U_LDR > 0.7V = OnNote The PCB color may vary based on production batch. ## Features - Product Type: HC-SR501 PIR Motion/Proximity/Body/Human Sensor Module - Operating voltage range: DC 4.5-20V, Level output: High 3.3 V /Low 0V, Quiescent Current: <50uA - Lens size sensor: Diameter:23mm(Default) - Angle Sensor: <100 ° cone angle - Trigger: L can not be repeated trigger/H can be repeated trigger(Default repeated trigger), Delay time: 5-200S(adjustable) the range is (0.xx second to tens of second) Block time: 2.5S(default)Can be made a range(0.xx to tens of seconds ## Technical Specifications | Specification | Value | |---------------|-------| | Brand | CentIoT | | Colour | Blue | | Power Source | Battery Powered | | Item Weight | 7 Grams | | Maximum Range | 9 metres | | Mounting Type | Wall Mount | | Battery Description | Battery Powered | | Compatible Devices | Arduino, Raspberry Pi, AVR, PIC, 8051, Node MCU | | Recommended Uses For Product | Residential and Commercial Security (Intrusion Detection, Access Control), Automation (Motion-Activated Lights, Alerts), Energy Management | | Manufacturer | CentIoT, 69, First Cross, Nehru Nagar, Karaikal, Puducherry – 609605, Contact@centiot.com | www.centiot.com/support | | UPC | 618020770874 | | Item Height | 10 Millimeters | | Item Width | 20 Millimeters | | Product Dimensions | 3 x 2 x 1 cm; 7 g | | Item model number | HC-SR501 | | Are Batteries Included | No | | Included Components | 1 x CentIoT HC-SR501 SR501 - Pyroelectric Infrared PIR Motion Proximity Sensor Module | | Manufacturer | CentIoT, 69, First Cross, Nehru Nagar, Karaikal, Puducherry – 609605 | | Country of Origin | China | | Item Weight | 7 g | ## Product Details - **Brand:** CentIoT - **Colour:** Blue - **Power Source:** Battery Powered - **Item Weight:** 7 Grams - **Maximum Range:** 9 metres ## Images ![CentIoT - HC-SR501 SR501 - Pyroelectric Infrared PIR Motion Proximity Sensor Module - Image 1](https://m.media-amazon.com/images/I/51CTtPE1+gL.jpg) ![CentIoT - HC-SR501 SR501 - Pyroelectric Infrared PIR Motion Proximity Sensor Module - Image 2](https://m.media-amazon.com/images/I/41w61OqaHhL.jpg) ![CentIoT - HC-SR501 SR501 - Pyroelectric Infrared PIR Motion Proximity Sensor Module - Image 3](https://m.media-amazon.com/images/I/51wcbmunHQL.jpg) ![CentIoT - HC-SR501 SR501 - Pyroelectric Infrared PIR Motion Proximity Sensor Module - Image 4](https://m.media-amazon.com/images/I/41073yvA7lL.jpg) ![CentIoT - HC-SR501 SR501 - Pyroelectric Infrared PIR Motion Proximity Sensor Module - Image 5](https://m.media-amazon.com/images/I/41hSLcoxNCL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ fake *by D***H on 28 October 2024* it doesnt work dont buy ### ⭐⭐⭐⭐ Quality is good *by C***L on 3 April 2024* Material is goodI attached it with 5v relay kit to operate bulb ### ⭐⭐⭐⭐⭐ A awesome product for DIY and projects *by J***A on 26 June 2019* Very useful for my project. It was detecting small creature Motion also. Help full from theaves. ## Frequently Bought Together - CentIoT - HC-SR501 SR501 - Pyroelectric Infrared PIR Motion Proximity Sensor Module - Aptechdeals Jumper Wires Male To Male, Male To Female, Female To Female/ Breadboard Jumper Wires (40+40+40) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/143246164-centiot-hc-sr501-sr501-pyroelectric-infrared-pir-motion-proximity-sensor](https://www.desertcart.tn/products/143246164-centiot-hc-sr501-sr501-pyroelectric-infrared-pir-motion-proximity-sensor) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-09-19*