PWM Expansion Module NXP PCA9685

Product Summary

Product Description RAK13004 is a WisBlock PWM expansion module based on NXP PCA9685 chip which is capable of up to 16 PWM (pulse width modulated) outputs.

Editorial narrative

Product Description RAK13004 is a WisBlock PWM expansion module based on NXP PCA9685 chip which is capable of up to 16 PWM (pulse width modulated) outputs. It can control the brightness of up to 16 external LED’s. Product Features 3.3V input voltage, on/off control by the WisBlock Core module 16 LED drivers connector 1 MHz Fast-mode Plus compatible I2C-bus interface 4096-step (12-bit) linear programable brightness per LED. LED output frequency typically varies from 24Hz to 1526Hz Supports hot insertion Low Standby Current 5.5V tolerant inputs Operating Voltage: 2.3V to 5.5V @ -40°C to +85°C Module size: 25X35mm Documentation RAK13004 Quick Start Guide Datasheet WisBlock Quick Start Guide WisBlock Source Code Repository (opens new window) RAK13004 3D Model (opens new window) 40-Pin Male Connector 3D File (opens new window) WisBlock Sensor Tutorial Examples : For All WisBlock Core Modules: Sample Code: WisBlock PWM Expander Module Tutorials WisBlock Starter Kit and RAK Edge Gateway Complete LoRaWAN Guide Installation of Board Support Package in Arduino IDE The Icing on the Cake: A Template to Innovate Custom IoT Applications with RAKwireless and Datacake Check Hackster Projects Articles Choosing Between WisBlock Modules For Your Next IoT Project? Take A Quiz! Why We Make WisBlock: The Story Behind RAK’s Modular IoT Platform Build your IoT Breakthroughs Fast with the WisBlock System! RAKwireless Announces Partnership with One Planet Education Network (OPEN) to Launch STEM IoT Sensor Kits for Schools Worldwide RAKwireless Launches New Modular Product Series - WisBlock New WisBlock Modules in RAK Autumn Launch WisBlock Success Stories Enology + IoT = Great Wine A winery modernization by Enotek Saving the Wetlands with a Solution from The Group Lab

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• Last verified: 2026-06-01