Gravity: GP8512: 1-Channel 15bit I2C to 0-2.5V/VCC DAC Module
I2C to DAC (1-CH, 0-5V/10V)$9.90
I2C to DAC (1-CH, 0-2.5V/VCC)$9.90
I2C to DAC (2-CH, 0-5V/10V)$14.90
I2C to DAC (2-CH, 0-2.5V/VCC)$9.90
PWM to DAC (1-CH, 0-5V/10V)$8.90
PWM to DAC (2-CH, 0-2.5V/VCC)$8.90
I2C to DAC (2-CH, 0-10V)$9.90
I2C to DAC (4-20mA)$9.90
I2C/PWM to DAC ( ±10V / 4-20mA)$17.90
Introduction
Gravity: GP8512 1‑Channel 15‑bit I2C to 0‑2.5V/VCC DAC Module provides precise digital‑to‑analog signal generation for embedded control and automation systems. Featuring a 15‑bit DAC resolution and 0.01% voltage accuracy, this high‑precision analog output board converts digital commands into stable voltage signals through an I2C interface. The compact Gravity‑series DAC expansion board integrates smoothly with common development platforms such as Arduino, ESP32, and Raspberry Pi, making the module suitable for signal generation, analog control loops, and laboratory instrumentation requiring accurate voltage output within a 3.3V–5V system environment.
Figure: Functional Diagram of Gravity: GP8512: 1-Channel 15bit I2C to 0-2.5V/VCC DAC Module
Figure: Wiring Diagram of Gravity: GP8512: 1-Channel 15bit I2C to 0-2.5V/VCC DAC Module and Arduino UNO
15‑Bit High‑Precision Analog Output
This precision DAC expansion module delivers a 15‑bit digital‑to‑analog conversion range with value mapping from 0–32767, enabling extremely fine voltage adjustments. With output voltage error and linearity error both controlled within 0.01%, the analog signal generator supports applications requiring accurate control signals such as motor speed tuning, servo positioning, and analog calibration systems. Such precision allows microcontroller platforms to generate smooth and stable voltage transitions for control loops and measurement equipment.
Flexible Output Range and Scalable DAC Series
The I2C analog voltage generator supports selectable output ranges of 0–2.5V or 0–VCC, enabling compatibility with a wide variety of analog devices and signal input circuits. Within the broader DAC module series, multiple models provide different resolutions including 8‑bit, 12‑bit, and 15‑bit options along with single‑channel or dual‑channel configurations. Multiple boards can also be cascaded to form multi‑channel analog output systems for complex automation or multi‑signal control projects.
Gravity Interface for Rapid Embedded Integration
A Gravity I2C connector simplifies wiring and accelerates deployment in embedded prototypes and educational projects. The compact analog signal output board communicates through a standard I2C protocol, enabling straightforward integration with microcontroller development platforms and robotics controllers. Reliable digital communication combined with low‑power operation makes this I2C DAC module well suited for automation controllers, IoT signal generation nodes, and precision testing setups.
Such a compact high‑resolution DAC solution serves a wide range of embedded control tasks including motor regulation, laboratory instrumentation, automated lighting adjustment, and environmental control systems. Reliable analog voltage generation combined with simple I2C control makes this module a practical signal‑output component for robotics development, automation equipment, and STEM Education experimentation platforms.
Various DAC module models are available for different signal ranges and resolutions. For model comparisons and selection guidance, refer to the following resource:
Selection Guide
DFRobot Gravity DAC Module Selection Guide
