DFRobot
Gravity: GP8413 2-Channel 15-bit I2C to 0-5V/10V DAC Module
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This is a 2-channel DAC module with I2C communication, a resolution of 15-bit, and an accuracy of 0.2%, capable of generating analog voltage outputs of 0-10...
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This is a 2-channel DAC module with I2C communication, a resolution of 15-bit, and an accuracy of 0.2%, capable of generating analog voltage outputs of 0-10V or 0-5V. The 0-10V or 0-5V voltage range is a standard driving method. It can be widely used in automation applications such as light adjustment, frequency converters, valve regulation, and pump control. This product can drive a variety of 0-10V or 0-5V controlled devices available in the market through Arduino programming.
The high precision and resolution of this module make it suitable for control scenarios that require higher signal accuracy, such as fine speed control or angle control.
DAC series modules are a range of products that can be controlled through I2C or PWM signals to generate voltage or current output signals. This series of DAC products not only offers a variety of output signal ranges, but also provides three selectable resolutions: 8-bit, 12-bit, and 15-bit. It allows for the choice of either single-channel or dual-channel configurations, and multiple modules can be cascaded to form a multi-channel output.
We provide various models of DAC modules. If you need a different model, please check the selection guide:
Features
Support 3.3V-5V power supply.
Output voltage error is less than 0.2%.
Output voltage linearity error is 0.01%.
Two channels of voltage output, either 0-5V or 0-10V, enabling connection and control of standard analog voltage devices.
Gravity interface, I2C communication, Arduino control, suitable for program automation control.
Features 8 adjustable I2C addresses, allowing simultaneous control of up to 16 devices.
The high precision and resolution of this module make it suitable for control scenarios that require higher signal accuracy.
Applications
Automatic light adjustment
Variable frequency drive (VFD)
Automatic valve regulation
Automatic water pump control
Specification
Operating voltage: 3.3V to 5V
Communication Method: I2C
Chip Type: GP8413
Resolution: 15-bit
Output Voltage: 0-5V or 0-10V
Number of channels: 2 channels
Value Range: 0 - 32767 corresponding to 0-5V or 0-10V
Output voltage: 0.2%
Output voltage linearity error: 0.01%
Documents
Shipping List
GP8413: 2-Channel 15-bit I2C to 0-5V/10V DAC Module ×1
Gravity-4P I2C/UART Sensor Cable × 1
Jargon buster
Plain-language definitions for the technical terms used above.
- DAC
- A digital-to-analogue converter turns numbers from the microcontroller into a real analogue voltage. It matters if you want to generate simple waveforms, audio-style signals, or variable control voltages rather than just on/off outputs.
- Gravity
- Gravity is DFRobot’s plug-in connector system for sensors, motors and modules, using standard cables to reduce loose jumper wiring. It matters because Gravity-compatible parts can connect directly to these ports, while non-Gravity parts may need adapters or manual wiring.
- I2C
- I2C is a two-wire communication bus used by many sensors and small modules. It matters because several I2C devices can share the same two wires, but each device needs a compatible address and your controller must support I2C.
- PWM
- Pulse Width Modulation is a way for a digital pin to simulate variable output power by switching on and off very quickly. It matters for controlling things like LED brightness, motor speed, or servo-style signals from a microcontroller pin.
- UART
- UART is a simple serial connection that sends data over separate transmit and receive wires, often labelled TX and RX. It matters because this module is designed to replace a wired UART cable with a wireless link while keeping the same serial data format.
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