{"product_id":"pca9685-16-channel-12-bit-pwm-servo-driver","title":"PCA9685 16-Channel 12-Bit PWM Servo Driver","description":"\u003cp\u003eThe PCA9685 16-Channel 12-Bit PWM Servo Driver provides 16 independently programmable PWM outputs through an I²C interface. It is suitable for multi-servo control in robotic arms, robotics, automation and microcontroller projects using Arduino, ESP32, Raspberry Pi and other compatible controllers.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe PCA9685 controller provides 16 individual 12-bit PWM channels with 4096-step resolution. Communication is handled through SDA and SCL I²C lines, reducing the number of controller I\/O pins required for multi-channel PWM control.\u003c\/p\u003e\n\u003cp\u003eFor servo applications, the board provides dedicated three-pin channel headers marked PWM, V+ and GND, along with a separate screw-terminal connection for the external servo supply. Six hardware address inputs allow multiple PCA9685 devices to share the same I²C bus.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePCA9685 controller IC\u003c\/li\u003e\n\u003cli\u003e16 independently programmable PWM outputs\u003c\/li\u003e\n\u003cli\u003e12-bit PWM resolution — 4096 steps\u003c\/li\u003e\n\u003cli\u003eI²C communication through SDA and SCL\u003c\/li\u003e\n\u003cli\u003eDedicated PWM, V+ and GND connections for each channel\u003c\/li\u003e\n\u003cli\u003eExternal servo power terminal\u003c\/li\u003e\n\u003cli\u003eHardware-configurable I²C address\u003c\/li\u003e\n\u003cli\u003eOutput Enable (OE) connection\u003c\/li\u003e\n\u003cli\u003eSuitable for controlling multiple servos\u003c\/li\u003e\n\u003cli\u003eCompatible with common I²C-capable microcontrollers and SBCs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eController: PCA9685\u003c\/li\u003e\n\u003cli\u003ePWM Channels: 16\u003c\/li\u003e\n\u003cli\u003ePWM Resolution: 12-bit \/ 4096 steps\u003c\/li\u003e\n\u003cli\u003eInterface: I²C\u003c\/li\u003e\n\u003cli\u003eCommunication Pins: SDA, SCL\u003c\/li\u003e\n\u003cli\u003eIC Supply Voltage: 2.3–5.5 V\u003c\/li\u003e\n\u003cli\u003ePCB Logic Marking: 3–5 V\u003c\/li\u003e\n\u003cli\u003ePWM Frequency — PCA9685 IC: approximately 24–1526 Hz typical\u003c\/li\u003e\n\u003cli\u003ePWM Frequency — PCB Marking: 40–1000 Hz\u003c\/li\u003e\n\u003cli\u003eServo Supply Marking: V+ up to 6 V\u003c\/li\u003e\n\u003cli\u003eOutput Enable: OE\u003c\/li\u003e\n\u003cli\u003eAddress Selection: 6 hardware address positions\u003c\/li\u003e\n\u003cli\u003eDefault I²C Address: 0x40 when address bits are LOW\u003c\/li\u003e\n\u003cli\u003eServo Outputs: 16 × PWM \/ V+ \/ GND\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eSuitable for projects using Arduino, ESP32, Raspberry Pi and other controllers with a compatible I²C interface. Appropriate wiring, software configuration and external servo power should be selected for the controller and servos being used.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eRobotic arms, multi-servo robots, animatronics, pan-and-tilt mechanisms, robotics projects, automation prototypes and other multi-channel PWM-control applications.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003ePackage Includes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e1 × PCA9685 16-Channel 12-Bit PWM Servo Driver Module\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQs\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the PCA9685 servo driver used for?\u003c\/strong\u003e\u003cbr\u003eThe PCA9685 module provides 16 programmable PWM channels through an I²C interface and is commonly used for controlling multiple servos in robotics, robotic arms, automation and embedded projects.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow many servos can the PCA9685 module control?\u003c\/strong\u003e\u003cbr\u003eThe board provides 16 PWM output channels, allowing up to 16 compatible servos to be connected individually.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the PWM resolution of PCA9685?\u003c\/strong\u003e\u003cbr\u003eThe PCA9685 provides 12-bit PWM resolution, giving 4096 steps per PWM cycle.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use PCA9685 with Arduino?\u003c\/strong\u003e\u003cbr\u003eYes. The module can be used with Arduino boards that support I²C communication when wired and configured correctly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs PCA9685 compatible with ESP32?\u003c\/strong\u003e\u003cbr\u003eYes. It can communicate with an ESP32 through its I²C interface when the electrical connections and software are configured correctly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use PCA9685 with Raspberry Pi?\u003c\/strong\u003e\u003cbr\u003eYes. Raspberry Pi boards with an available I²C interface can communicate with the PCA9685 when logic and servo power requirements are respected.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the PCA9685 require separate servo power?\u003c\/strong\u003e\u003cbr\u003eThe module provides a dedicated V+ servo-power rail and screw terminal. An appropriate external supply is recommended for connected servo loads.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the default I²C address of PCA9685?\u003c\/strong\u003e\u003cbr\u003eWith its hardware address bits LOW, the default PCA9685 address is 0x40.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan multiple PCA9685 boards be used together?\u003c\/strong\u003e\u003cbr\u003eYes. The PCA9685 provides hardware address selection, allowing multiple appropriately addressed devices to operate on the same I²C bus.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this module suitable for robotic arms?\u003c\/strong\u003e\u003cbr\u003eYes. Its 16 PWM channels make it suitable for multi-servo robotic arm projects when the servos and external power supply are appropriately selected.\u003c\/p\u003e","brand":"Chip.pk","offers":[{"title":"Default Title","offer_id":52920492327197,"sku":"CP-MOD-PCA9685-16CH","price":1000.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/1060\/7389\/files\/pca9685-pwm-servo-controller-i2c-address.webp?v=1789201562","url":"https:\/\/www.chip.pk\/products\/pca9685-16-channel-12-bit-pwm-servo-driver","provider":"Chip.pk","version":"1.0","type":"link"}