{"product_id":"pca9685-16-channel-12-bit-pwm-servo-driver-i2c-interface","title":"PCA9685 16-Channel 12-Bit PWM\/Servo Driver I2C Interface","description":"\u003ch3\u003e\u003cstrong\u003eFeatures \u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThis board\/chip uses I2C 7-bit address between 0x60-0x80, selectable with jumpers\u003c\/li\u003e\n\u003cli\u003eTerminal block for power input (or you can use the 0.1″ breakouts on the side)\u003c\/li\u003e\n\u003cli\u003eReverse polarity protection on the terminal block input\u003c\/li\u003e\n\u003cli\u003eGreen power-good LED\u003c\/li\u003e\n\u003cli\u003e3 pin connectors in groups of 4 so you can plug in 16 servos at once (Servo plugs are slightly wider than 0.1″ so you can only stack 4 next to each other on 0.1″ header\u003c\/li\u003e\n\u003cli\u003e“Chain-able” design\u003c\/li\u003e\n\u003cli\u003eA spot to place a big capacitor on the V+ line (in case you need it)\u003c\/li\u003e\n\u003cli\u003e220 ohm series resistors on all the output lines to protect them, and to make driving LEDs trivial\u003c\/li\u003e\n\u003cli\u003eSolder jumpers for the 6 address select pins\u003c\/li\u003e\n\u003cli\u003ei2c-controlled PWM driver with a built in clock. Unlike the TLC5940 family, you do not need to continuously send it signal tying up your microcontroller, its completely free running!\u003c\/li\u003e\n\u003cli\u003eIt is 5V compliant, which means you can control it from a 3.3V microcontroller and still safely drive up to 6V outputs (this is good for when you want to control white or blue LEDs with 3.4+ forward voltages)\u003c\/li\u003e\n\u003cli\u003e6 address select pins so you can wire up to 62 of these on a single i2c bus, a total of 992 outputs – that’s a lot of servos or LEDs\u003c\/li\u003e\n\u003cli\u003eAdjustable frequency PWM up to about 1.6 KHz\u003c\/li\u003e\n\u003cli\u003e12-bit resolution for each output – for servos, that means about 4us resolution at 60Hz update rate\u003c\/li\u003e\n\u003cli\u003eConfigurable push-pull or open-drain output\u003c\/li\u003e\n\u003cli\u003eOutput enable pin to quickly disable all the outputs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable class=\"woocommerce-product-attributes shop_attributes\" width=\"529\"\u003e\n\u003ctbody\u003e\n\u003ctr class=\"woocommerce-product-attributes-item woocommerce-product-attributes-item--attribute_pa_driver-chip\"\u003e\n\u003cth class=\"woocommerce-product-attributes-item__label\"\u003eDriver IC\u003c\/th\u003e\n\u003ctd class=\"woocommerce-product-attributes-item__value\"\u003ePCA9685\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"woocommerce-product-attributes-item woocommerce-product-attributes-item--attribute_pa_length-mm\"\u003e\n\u003cth class=\"woocommerce-product-attributes-item__label\"\u003eLength (mm):\u003c\/th\u003e\n\u003ctd class=\"woocommerce-product-attributes-item__value\"\u003e62\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"woocommerce-product-attributes-item woocommerce-product-attributes-item--attribute_pa_width-mm\"\u003e\n\u003cth class=\"woocommerce-product-attributes-item__label\"\u003eWidth (mm):\u003c\/th\u003e\n\u003ctd class=\"woocommerce-product-attributes-item__value\"\u003e25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"woocommerce-product-attributes-item woocommerce-product-attributes-item--attribute_pa_height\"\u003e\n\u003cth class=\"woocommerce-product-attributes-item__label\"\u003eHeight (mm):\u003c\/th\u003e\n\u003ctd class=\"woocommerce-product-attributes-item__value\"\u003e15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"woocommerce-product-attributes-item woocommerce-product-attributes-item--attribute_pa_weight-g\"\u003e\n\u003cth class=\"woocommerce-product-attributes-item__label\"\u003eWeight (g):\u003c\/th\u003e\n\u003ctd class=\"woocommerce-product-attributes-item__value\"\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003ePackage Includes \u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x PCA9685 16-Channel 12-Bit PWM\/Servo Driver I2C Interface\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePCA9685 16-Channel 12-Bit PWM\/Servo Driver I2C Interface Overview\u003c\/h2\u003e\n\u003cp\u003eThe PCA9685 16-Channel 12-Bit PWM\/Servo Driver is an I²C-controlled board that provides 16 independent PWM outputs ideal for driving servos, LEDs or small motors. It operates with a built-in clock, freeing up your microcontroller’s PWM pins and enabling precise timing up to 1.6 kHz.\u003c\/p\u003e\n\u003ch2\u003eKey Features of PCA9685 16-Channel 12-Bit PWM\/Servo Driver I2C Interface\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e16 independent PWM outputs with 12-bit resolution (4096 steps)\u003c\/li\u003e\n\u003cli\u003eAdjustable PWM frequency up to approximately 1.6 kHz for smooth motion control\u003c\/li\u003e\n\u003cli\u003eConfigurable push-pull or open-drain output modes\u003c\/li\u003e\n\u003cli\u003eOutput ENABLE pin for immediate disabling of all channels\u003c\/li\u003e\n\u003cli\u003eTerminal block power input with reverse polarity protection\u003c\/li\u003e\n\u003cli\u003eGreen power-good LED indicator and fast shipping from Zbotic\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplications and Use Cases\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDriving multiple hobby servos in robotic arms or walking robots\u003c\/li\u003e\n\u003cli\u003ePWM dimming of LED strips for lighting effects or displays\u003c\/li\u003e\n\u003cli\u003eControlling small DC motors or actuators in automation projects\u003c\/li\u003e\n\u003cli\u003eDaisy-chaining boards to expand PWM outputs for large LED matrices\u003c\/li\u003e\n\u003cli\u003eAdding extra PWM channels to microcontrollers with limited outputs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow to Use PCA9685 16-Channel 12-Bit PWM\/Servo Driver I2C Interface\u003c\/h2\u003e\n\u003cp\u003eConnect VCC and GND on the terminal block to your power source, then wire SDA and SCL pins to your microcontroller’s I²C bus. Set the board’s I²C address via the address pins, enable outputs using the OE pin, and program the PWM duty cycle and frequency by writing to the PCA9685 registers over I²C. Open-source libraries are available to streamline initialization and channel control.\u003c\/p\u003e\n\u003ch2\u003eWhy Buy from Zbotic?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Products:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAll items sourced from authorized distributors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Shipping:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOrders ship within 24 hours with tracking (non backordered products)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree Shipping:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFree delivery on qualifying orders\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCOD Available:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCash on Delivery, UPI, cards, net banking\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTechnical Support:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eExpert help for setup and troubleshooting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Returns:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHassle-free replacement for defective products\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eHow many PCA9685 boards can be daisy-chained on one I²C bus?\u003c\/h3\u003e\n\u003cp\u003eYou can connect up to 62 PCA9685 driver boards on the same I²C bus, providing control of up to 992 PWM channels.\u003c\/p\u003e\n\u003ch3\u003eWhat voltage should I use for the power input?\u003c\/h3\u003e\n\u003cp\u003eSupply the terminal block with a suitable voltage for your servos or LEDs, typically 5–6 V. The board’s reverse polarity protection guards against wiring mistakes.\u003c\/p\u003e\n\u003ch3\u003eCan this board handle the current draw of multiple servos?\u003c\/h3\u003e\n\u003cp\u003eThe PCA9685 outputs only PWM signals and does not supply servo power directly. Use an external power source rated for your servos’ combined current, wired through the terminal block.\u003c\/p\u003e","brand":"eBhoot Electronics","offers":[{"title":"Default Title","offer_id":43448765874294,"sku":null,"price":182.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7345\/9574\/files\/Untitled_design_6.png?v=1779695444","url":"https:\/\/ebhoot.com\/products\/pca9685-16-channel-12-bit-pwm-servo-driver-i2c-interface","provider":"eBhoot Electronics","version":"1.0","type":"link"}