{"product_id":"pca9685-16ch-12bit-pwm-servo-driver-i2c-chainable-raspberry-pi-arduino","title":"PCA9685 16-Channel 12-Bit PWM Servo Driver — I²C, Chainable, Raspberry Pi \u0026 Arduino","description":"\u003ch2\u003ePCA9685 16-Channel 12-Bit PWM Servo Driver\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003ePCA9685\u003c\/strong\u003e is a dedicated \u003cstrong\u003e16-channel, 12-bit PWM driver\u003c\/strong\u003e from NXP with I2C interface. It offloads all PWM generation from your microcontroller, freeing GPIO pins and CPU cycles. With \u003cstrong\u003e4096 steps per channel\u003c\/strong\u003e and configurable I2C address (0x40-0x7F), up to \u003cstrong\u003e62 boards can be chained\u003c\/strong\u003e for 992 total PWM channels.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\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\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e12-bit (4096 steps)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePWM Frequency\u003c\/td\u003e\n\u003ctd\u003e24Hz to 1526Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eI2C (SDA, SCL)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI2C Address\u003c\/td\u003e\n\u003ctd\u003e0x40 to 0x7F (64 addresses)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChainable\u003c\/td\u003e\n\u003ctd\u003eUp to 62 boards (992 channels)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogic Supply\u003c\/td\u003e\n\u003ctd\u003e2.3V to 5.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eServo Power (V+)\u003c\/td\u003e\n\u003ctd\u003eUp to 6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e25mA per pin max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eWhy Choose PCA9685?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e16 channels, 2 wires\u003c\/strong\u003e - control 16 servos via I2C only\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12-bit resolution\u003c\/strong\u003e - 4096 steps for smooth servo positioning\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChainable to 992 channels\u003c\/strong\u003e - scale to large robot systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeparate servo power rail\u003c\/strong\u003e - power servos independently from logic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3.3V and 5V compatible\u003c\/strong\u003e - works with Arduino, Raspberry Pi, ESP32\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobot arm control\u003c\/strong\u003e - drive 6-16 servos for multi-axis robot arm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHexapod \/ quadruped robot\u003c\/strong\u003e - control 12-18 leg servos from single I2C bus\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePan-tilt camera mount\u003c\/strong\u003e - precise 2-axis servo positioning\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED dimming\u003c\/strong\u003e - 12-bit PWM for 16 independent LED channels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnimatronics\u003c\/strong\u003e - multi-servo movement control\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Can I power servos from the module?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Connect 5-6V to V+ terminal. Use a separate supply, not the Arduino 5V pin.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: How to set I2C address?\u003c\/strong\u003e\u003cbr\u003eA: Solder A0-A5 pads to set address 0x40-0x7F. Default is 0x40.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What PWM frequency for servos?\u003c\/strong\u003e\u003cbr\u003eA: 50Hz is standard for most hobby servos.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1x PCA9685 16-Channel 12-Bit PWM Servo Driver Module\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991476785387,"sku":"\u003cnone\u003e","price":11.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/pca9685-16-channel-12bit-pwm-servo-driver-i2c-module.webp?v=1761629997","url":"https:\/\/keszoox.com\/products\/pca9685-16ch-12bit-pwm-servo-driver-i2c-chainable-raspberry-pi-arduino","provider":"Keszoox","version":"1.0","type":"link"}