{"id":56385,"date":"2018-05-24T00:20:20","date_gmt":"2018-05-24T00:20:20","guid":{"rendered":"https:\/\/www.microplanet.ma\/?post_type=product&#038;p=56385"},"modified":"2026-10-20T09:34:10","modified_gmt":"2026-10-20T09:34:10","slug":"rcwl-0516-microwave-doppler-motion-sensor","status":"publish","type":"product","link":"https:\/\/www.microplanet.ma\/en\/produit\/rcwl-0516-microwave-doppler-motion-sensor\/","title":{"rendered":"RCWL-0516 Microwave Doppler Motion Sensor Module"},"content":{"rendered":"<h3>RCWL-0516 Microwave Doppler Motion Sensor Module<\/h3>\n<p>The RCWL-0516 is listed as a microwave Doppler motion sensor using an RCWL-9196 chip. The source describes a TTL HIGH output when motion is detected and lists adjustable sensitivity and delay.<\/p>\n<p><strong>Performance claims:<\/strong> the listing states 360\u00b0 coverage and detection up to 7 m (approximately 5\u20137 m in another section). Actual range and coverage depend on installation and conditions.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.microplanet.ma\/wp-content\/uploads\/2018\/05\/RCWL-0516-1.png\" alt=\"RCWL-0516 module\" width=\"400\" height=\"305\" \/><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.microplanet.ma\/wp-content\/uploads\/2018\/05\/RCWL-0516-2.png\" alt=\"RCWL-0516 board diagram\" width=\"568\" height=\"421\" \/><\/p>\n<h4>Specifications stated in the source<\/h4>\n<ul>\n<li>Operating voltage: 4\u201328 V<\/li>\n<li>Operating current: 2.8 mA typical; 3 mA maximum<\/li>\n<li>Operating frequency: 3.2 GHz<\/li>\n<li>Detection distance: up to 7 m<\/li>\n<li>Transmit power: 20 mW typical; 30 mW maximum<\/li>\n<li>Output voltage: 3.2\u20133.4 V; HIGH level listed as 3.3 V<\/li>\n<li>Output current: up to 100 mA<\/li>\n<li>Detection angle: 360\u00b0<\/li>\n<li>Operating temperature: \u221220 to 80 \u00b0C<\/li>\n<li>Dimensions: 46 \u00d7 40 \u00d7 9 mm<\/li>\n<li>Price: MAD 40<\/li>\n<\/ul>\n<h4>Pins and functions listed<\/h4>\n<ul>\n<li>3V3: 3.3 V output, up to 100 mA<\/li>\n<li>GND: ground<\/li>\n<li>OUT: signal output<\/li>\n<li>IN: input voltage<\/li>\n<li>CDS: disable function<\/li>\n<\/ul>\n<h4>Delay, sensitivity and CDS notes from the source<\/h4>\n<ul>\n<li>C-TM: repeat-trigger timing. The source gives a default of 2 seconds and a formula based on measuring the RCWL-9196 frequency at pin F.<\/li>\n<li>R-GN: detection distance; the source lists up to 7 m with no resistor and 5 m with a 1 M\u03a9 resistor.<\/li>\n<li>R-CDS: the source describes connecting a light-dependent resistor (LDR) to CDS to disable detection at night.<\/li>\n<\/ul>\n<p>The source also says the module emits pulses and detects changes in return time when CDS is not connected to GND; OUT returns LOW shortly after motion stops. Verify the board revision and pin labels against its documentation before wiring.<\/p>\n<h4>Arduino Uno example: LED and serial monitor<\/h4>\n<p>Parts listed: RCWL-0516, Arduino Uno, LED, jumper wires and breadboard. The source wiring uses VIN to 5 V, GND to GND and OUT to digital pin 2.<\/p>\n<pre class=\"prism undefined-numbers lang-cpp\" data-lang=\"C++\"><code>int sensorPin = 2; \/\/ Broche connect\u00e9e \u00e0 la sortie du capteur\r\nint ledPin = 13; \/\/ Broche connect\u00e9e \u00e0 la LED int\u00e9gr\u00e9e\r\n\r\nvoid setup() {\r\npinMode(sensorPin, INPUT);\r\npinMode(ledPin, OUTPUT);\r\nSerial.begin(9600);\r\n}\r\n\r\nvoid loop() {\r\nint sensorValue = digitalRead(sensorPin);\r\nif (sensorValue == HIGH) {\r\ndigitalWrite(ledPin, HIGH);\r\nSerial.println(\"Mouvement d\u00e9tect\u00e9\");\r\n} else {\r\ndigitalWrite(ledPin, LOW);\r\nSerial.println(\"Pas de mouvement\");\r\n}\r\ndelay(1000);\r\n}<\/code><\/pre>\n<h4>Arduino Uno example with 1602 I\u00b2C LCD<\/h4>\n<p>Connect VIN to 5 V, GND to GND and OUT to digital pin 2. For the LCD, connect SDA to A4 and SCL to A5.<\/p>\n<pre class=\"prism undefined-numbers lang-cpp\" data-lang=\"C++\"><code>#include &lt;Wire.h&gt;\r\n#include &lt;LiquidCrystal_I2C.h&gt;\r\n\r\nLiquidCrystal_I2C lcd(0x27, 16, 2); \/\/ Adresse I2C de l'\u00e9cran LCD\r\n\r\nint sensorPin = 2; \/\/ Broche connect\u00e9e \u00e0 la sortie du capteur\r\n\r\nvoid setup() {\r\nlcd.begin();\r\nlcd.backlight();\r\npinMode(sensorPin, INPUT);\r\nSerial.begin(9600);\r\n}\r\n\r\nvoid loop() {\r\nint sensorValue = digitalRead(sensorPin);\r\nif (sensorValue == HIGH) {\r\nlcd.setCursor(0, 0);\r\nlcd.print(\"Mouvement detecte\");\r\nSerial.println(\"Mouvement d\u00e9tect\u00e9\");\r\n} else {\r\nlcd.setCursor(0, 0);\r\nlcd.print(\"Pas de mouvement\");\r\nSerial.println(\"Pas de mouvement\");\r\n}\r\ndelay(1000);\r\n}<\/code><\/pre>\n<h4>Pin mapping and software<\/h4>\n<ul>\n<li>VIN: 5 V in the source Arduino examples<\/li>\n<li>GND: Arduino GND<\/li>\n<li>OUT: digital input, such as pin 2<\/li>\n<li>LCD SDA: A4; LCD SCL: A5<\/li>\n<\/ul>\n<p>The examples use LiquidCrystal_I2C; install a compatible library through the Arduino IDE Library Manager. Check supply and signal compatibility for your exact board revision.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>RCWL-0516 microwave Doppler motion sensor module with adjustable delay and sensitivity, plus Arduino examples.<\/p>\n","protected":false},"featured_media":56386,"template":"","meta":[],"product_brand":[],"product_cat":[314,316],"product_tag":[],"class_list":["post-56385","product","type-product","status-publish","has-post-thumbnail","product_cat-developpement-en","product_cat-modules-capteurs-en","first","instock","sale","taxable","shipping-taxable","purchasable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>RCWL-0516 Microwave Doppler Motion Sensor Module | MicroPlanet<\/title>\n<meta name=\"description\" content=\"RCWL-0516 microwave Doppler motion sensor module with adjustable delay and sensitivity, plus Arduino examples.\" \/>\n<meta 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