The M5Stack DAC 2 I2C Unit (GP8413) is a state-of-the-art digital-to-analog signal conversion module, meticulously engineered for demanding professional and industrial environments. This compact device, also known as the M5Stack DAC 2 or DAC2 Unit, delivers exceptional precision, flexible scalability, and robust safety mechanisms. At the heart of the DAC2 Unit lies the advanced GP8413 chipset, which provides a high-resolution 15-bit digital-to-analog conversion. It is capable of independently outputting two analog voltages, configurable within the 0–5V or 0–10V ranges. With remarkable 0.01% linearity and an impressively low voltage error margin of just 0.2%, this unit guarantees highly dependable and stable analog signal generation. Key Features of the M5Stack DAC 2 I2C Unit (GP8413) 15-bit High-Precision DAC Output: Converts digital inputs into two distinct 0–5V or 0–10V analog outputs with unparalleled accuracy. I2C Communication (Default Address: 0x59): Ensures straightforward and dependable data transfer. Its unique 3-bit hardware address allows for multiple parallel connections, supporting up to 8 DAC2 Units on a single I2C bus. Superior Precision, Minimal Error: Achieves an outstanding 0.01% linearity and maintains a negligible output voltage error (0.2%), ensuring professional-grade analog signal integrity. Integrated Short-Circuit Protection: Safeguards the module by automatically disengaging the output if a short circuit occurs between the output pins and ground. Compact, Reliable, and Expandable Architecture: Designed for seamless integration and scalability in diverse IoT and industrial applications. Communication Protocol The M5Stack DAC 2 employs the robust I2C protocol, with a default address of 0x59. Its address configurability allows for the simultaneous operation of multiple DAC2 Units within complex systems, offering unparalleled flexibility for sophisticated designs. Typical Applications for the DAC2 Unit General Digital-to-Analog Signal Conversion: Effortlessly transforms digital commands into precise analog voltages. Motor Speed Control: Enables granular motor control through adjustable analog voltage output. LED Dimming Control: Facilitates smooth and programmable brightness adjustments for various LED systems. Industrial Inverter and Power Supply Systems: Generates reliable analog reference signals for inverters and voltage regulators. Industrial Analog Signal Isolation: Boosts signal integrity and system stability with precise DAC outputs. Smart Factory and IoT Applications: Integrates accurate analog controls into automated industrial systems. What's Included 1x DAC2 Unit 1x VH3.96-4P Connector 1x Sticker Application Scenarios Universal signal conversion Motor speed regulation, LED dimming Inverter and power supply management Industrial analog signal isolation Technical Specifications Category Detail DAC Chip GP8413 Resolution Ratio 15Bit I2C Serial Communication 0x59 (default) Maximum Output Voltage 10V Output Voltage Error
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