# MPLAB® Harmony 3 Reference Applications

MPLAB® Harmony 3 is an extension of the MPLAB® ecosystem for creating embedded firmware solutions for Microchip 32-bit SAM and PIC® microcontroller unit(MCU) and microprocessor unit (MPU). Refer to the following links for more information.

• Microchip 32-bit MCUs
• Microchip 32-bit MPUs
• Microchip MPLAB X IDE
• Microchip MPLAB® Harmony
• Microchip MPLAB® Harmony Pages

MPLAB® Harmony 3 Reference Applications

Reference Applications are standalone applications that demonstrate specific features or capabilities of Microchip's 32-bit SAM and PIC® microcontroller (MCU) and microprocessor (MPU) devices. These applications are developed using Microchip's 32-bit SAM and PIC® MCU/MPU development boards and kits.

The typical types of Reference Applications include:

• Feature-rich applications that integrate multiple technologies such as USB, TCP/IP, Wireless, Security, Low Power, RTOS, etc.
• Applications demonstrating specific MCU/MPU capabilities, such as Low Power applications.
• Applications showcasing the capabilities of Microchip's MCU/MPU development boards and kits (e.g., Curiosity, Nano), which enable hardware expansion through mikroBUS Click or Xplained Pro extensions.
• Getting Started applications designed to introduce users to MCU/MPU products. These applications demonstrate the use of the MPLAB Harmony 3 framework with the MCC UI, highlighting commonly used peripheral features.

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