DFRobot
Gravity: GP8512: 1-Channel 15bit I2C to 0-2.5V/VCC DAC Module
· MPN: DFR1035
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##Introduction This is a 1-channel analog voltage output DAC module with I2C communication, 15-bit resolution, and 0.01% precision. It is well-suited for con...
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##Introduction This is a 1-channel analog voltage output DAC module with I2C communication, 15-bit resolution, and 0.01% precision. It is well-suited for control projects operating within the 3.3V range, such as ESP32, Raspberry Pi, STM32, and other microcontrollers that require analog signal output.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.Functional Diagram of Gravity: GP8512: 1-Channel 15bit I2C to 0-2.5V/VCC DAC ModuleWiring Diagram of Gravity: GP8512: 1-Channel 15bit I2C to 0-2.5V/VCC DAC Module and Arduino UNOWe provide various models of DAC modules. If you need a different model, please check the selection guide:Selection Guide of DAC Modules ##Features Support 3.3V-5V power supply.Output voltage error is less than 0.01%.Output voltage linearity error is 0.01%.Two channels of voltage output, either 0-2.5V or 0-VCC, enabling connection and control ofstandard analog voltage devices.Gravity interface, I2C communication, Arduino control, suitable for program automationcontrol.The high precision and resolution of this module make it suitable for control scenarios thatrequire higher signal accuracy. ##Applications Orchestrates automatic control of motor rotational speedFacilitates the automatic modulation of volumeGoverns temperature through automatic control mechanismsCommands the automatic control of indoor and outdoor illuminationFunctions as an apparatus for laboratory testing equipment ##Specification Operating voltage: 3.3V to 5VCommunication Method: I2CChip Type: GP8512Resolution: 15-bitOutput Voltage: 0-2.5V or 0-VCCNumber of channels: 1 channelValue Range: 0 - 32767 corresponding to 0-2.5V or 0-VCCOutput voltage: 0.01%Output voltage linearity error: 0.01% ##Documents Product wiki ##ShippingList GP8512: 1-Channel 15bit I2C to 0-2.5V/VCC DAC Module ×1Gravity-4P I2C/UART Sensor Cable × 1
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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.
- ESP32
- ESP32 is a family of microcontroller modules with built-in wireless features such as Bluetooth and WiFi. Knowing this product uses an ESP32-based module helps explain how it provides wireless serial communication and firmware update features.
- 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.
- STM32
- STM32 is a family of microcontroller chips commonly used in embedded electronics. Knowing a product uses an STM32 can help when looking at firmware updates, pin connections, or low-level serial control options.
- 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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