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Driver for MCP4801/4811/4821 SPI DACs
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# MCP48X1 A lightweight, efficient C driver for the **Microchip MCP4801 (8-bit), MCP4811 (10-bit), and MCP4821 (12-bit)** Digital-to-Analog Converters. This component is designed for the ESP32 series using the ESP-IDF SPI master driver. ## Table of Contents - [Features](#features) - [Installation](#installation) - [License](#license) ## Features - Supports all variants: MCP4801 (8-bit), MCP4811 (10-bit), and MCP4821 (12-bit). - Automatic Scaling: Handles bit-alignment (LSB padding) automatically based on the selected model. - Dual Gain Support: Easy switching between 1x (2.048V) and 2x (4.096V) internal gain. - Float API: Set voltages directly in Volts without manual bit calculation. ## Installation ### Manual Integration Copy the source files (`mcp48x1.c`, `mcp48x1.h`, `CMakeLists.txt`) into your project's components or main directory. Ensure the header file is accessible within your include path ### ESP-IDF Component Manager `idf.py add-dependency "bammer187/mcp48x1^1.0.0"` ### Add as submodule `git submodule add https://github.com/Bammer187/MCP48X1.git components/mcp48x1` Don't forget to update your `CMakeLists.txt`! ## License [MIT License](LICENSE)
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Repository
f2bfeea4a73dc630ad595beeb8fadc95729b4f4c
Supports all targets
License: MIT
To add this component to your project, run:
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idf.py add-dependency "bammer187/mcp48x1^1.0.0"
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