{"product_id":"pca9685-pwm-sm-driver-module","title":"PCA9685 16-Channel 12-Bit PWM Servo Motor Driver Module – I2C Controller for Arduino, ESP32 \u0026 Raspberry Pi","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003cstrong\u003ePCA9685 16-Channel PWM Servo Driver Module\u003c\/strong\u003e is a versatile \u003cstrong\u003e12-bit PWM controller\u003c\/strong\u003e designed to control multiple servos, LEDs, and other PWM-based devices using a simple \u003cstrong\u003eI2C interface\u003c\/strong\u003e. It is based on the \u003cstrong\u003ePCA9685 PWM controller IC\u003c\/strong\u003e and can generate up to \u003cstrong\u003e16 independent PWM outputs\u003c\/strong\u003e.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eOne of the biggest advantages of the PCA9685 is that it handles PWM generation independently from the microcontroller. This allows development boards such as \u003cstrong\u003eArduino, ESP32, ESP8266, Raspberry Pi, and STM32\u003c\/strong\u003e to control multiple servos without using a large number of GPIO pins or continuously generating PWM signals in software.\u003c\/p\u003e\n\u003cp\u003eThe module is particularly useful for \u003cstrong\u003erobotic arms, hexapod robots, pan-tilt systems, multi-servo robots, LED controllers, animatronics, and automation projects\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e🚀 Key Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e16 independent PWM output channels\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e12-bit PWM resolution (4096 steps)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eI2C-controlled interface\u003c\/li\u003e\n\u003cli\u003eRequires only two communication lines: \u003cstrong\u003eSDA and SCL\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdjustable PWM frequency\u003c\/li\u003e\n\u003cli\u003eSuitable for controlling multiple servo motors\u003c\/li\u003e\n\u003cli\u003eCan also be used for LED brightness control\u003c\/li\u003e\n\u003cli\u003eCompatible with Arduino, ESP32, Raspberry Pi, ESP8266, and STM32\u003c\/li\u003e\n\u003cli\u003eMultiple PCA9685 modules can be connected using different I2C addresses\u003c\/li\u003e\n\u003cli\u003eSignificantly reduces the number of GPIO pins required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e📊 Technical Specifications\u003c\/h3\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eParameter\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eController IC\u003c\/td\u003e\n\u003ctd\u003ePCA9685\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePWM Channels\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePWM Resolution\u003c\/td\u003e\n\u003ctd\u003e12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eI2C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI2C Address\u003c\/td\u003e\n\u003ctd\u003e0x40 default \u003cem\u003e(configurable)\u003c\/em\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePWM Frequency\u003c\/td\u003e\n\u003ctd\u003eApproximately 24Hz – 1526Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogic Voltage\u003c\/td\u003e\n\u003ctd\u003eTypically 3.3V \/ 5V compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eServo Power Supply\u003c\/td\u003e\n\u003ctd\u003eSeparate V+ supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Channels\u003c\/td\u003e\n\u003ctd\u003e16 × PWM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplications\u003c\/td\u003e\n\u003ctd\u003eServo, LED \u0026amp; PWM control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cem\u003eSpecifications may vary slightly depending on the module revision.\u003c\/em\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e📦 Package Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e1 × PCA9685 16-Channel PWM Servo Driver Module\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e💡 Recommended Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRobotic arms\u003c\/li\u003e\n\u003cli\u003eHumanoid and multi-servo robots\u003c\/li\u003e\n\u003cli\u003eHexapod robots\u003c\/li\u003e\n\u003cli\u003eRC projects\u003c\/li\u003e\n\u003cli\u003ePan-tilt camera systems\u003c\/li\u003e\n\u003cli\u003eServo motor control\u003c\/li\u003e\n\u003cli\u003eLED dimming and lighting systems\u003c\/li\u003e\n\u003cli\u003eAnimatronics\u003c\/li\u003e\n\u003cli\u003eSmart automation systems\u003c\/li\u003e\n\u003cli\u003eArduino robotics projects\u003c\/li\u003e\n\u003cli\u003eESP32 multi-servo projects\u003c\/li\u003e\n\u003cli\u003eRaspberry Pi robotics\u003c\/li\u003e\n\u003cli\u003eIoT actuator control\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e🔌 Typical Connections\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003ePCA9685 → Microcontroller\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003ePCA9685\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eArduino UNO\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eESP32\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eVCC\u003c\/td\u003e\n\u003ctd\u003e5V\u003c\/td\u003e\n\u003ctd\u003e3.3V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSDA\u003c\/td\u003e\n\u003ctd\u003eA4\u003c\/td\u003e\n\u003ctd\u003eGPIO 21*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSCL\u003c\/td\u003e\n\u003ctd\u003eA5\u003c\/td\u003e\n\u003ctd\u003eGPIO 22*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e*ESP32 I2C pins can be configured in software.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e The \u003cstrong\u003eV+ terminal\u003c\/strong\u003e is used to provide the appropriate external power supply for connected servos. Do not rely on the microcontroller's 5V\/3.3V supply to power multiple servos.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e🌟 Why Choose the PCA9685 Module?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eControl up to \u003cstrong\u003e16 PWM devices\u003c\/strong\u003e using only two I2C lines\u003c\/li\u003e\n\u003cli\u003eExcellent solution for projects with limited GPIO availability\u003c\/li\u003e\n\u003cli\u003eDedicated PWM generation reduces microcontroller workload\u003c\/li\u003e\n\u003cli\u003eIdeal for controlling multiple servo motors simultaneously\u003c\/li\u003e\n\u003cli\u003eEasy integration with popular development boards\u003c\/li\u003e\n\u003cli\u003eExpandable for projects requiring many PWM channels\u003c\/li\u003e\n\u003cli\u003ePerfect for robotics, automation, and embedded applications\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Elecsynergy","offers":[{"title":"Default Title","offer_id":64366979514737,"sku":null,"price":289.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/6579\/5185\/files\/1pcs-16-Channel-12-bit-PWM-Servo-Driver-I2C-interface-PCA9685-for-Arduino-Raspberry-Pi-DIY.jpg?v=1786169405","url":"https:\/\/elecsynergy.in\/products\/pca9685-pwm-sm-driver-module","provider":"Elecsynergy","version":"1.0","type":"link"}