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Yarm technical documentation

• Product description
• Buy from Acme eShop

Software development kit

• RIOT (this is the method recommended by us)
  • Getting Started with RIOT and YARM
• Microchip Studio for AVR® and SAM Devices (legacy method not used anymore by us)
  • Getting Started Microchip Studio for AVR and SAM Devices
  • ASF library required to follow the Acme Systems Yarm tutorials
  • ATA8510 EEPROM programming
  • Peripherals
    • Set the stdio on Yarm serial port
    • Yarm and alphanumeric LCD 16x2
• Microchip MPLAB X IDE, Harmony and XC32 (actual method proposed by Microchip but not used by us)
  • Microchip User's Guide - Atmel START to MPLAB Harmony 3 Migration Guide
  • Microchip AN3563 - Example of SAMD21 programming (Led Blinking)

Software Examples

• Implementing a KISS radio link using YARM and RIOT

Yarm module hardware reference

• Yarm pinout
• Yarm schematic
• Yarm mechanical
• Altium Yarm SchLib
• Altium Yarm PcbLib
• Microchip SAM L21 MCU: Web page | Datasheet
• Microchip ATA8510 transceiver: Web page | Datasheet

Yarm-dev board hardware reference

• Yarm-dev pinout
• Yarm-dev schematic

Declarations of conformity

• Declarations of conformity

Microchip doc

• Tools
  • Atmel SAML21 ASF compiling and FLASH programming on Linux
  • Atmel Start
  • Microchip Studio for AVR® and SAM Devices

Third party doc

• Cledic's Yarm libraries available on GitHub

Related products

Features Index Buy

Low-cost ISM 868MHz radio module

• CPU Microchip SAML21 + Microchip ATA8510
• Cortex M0+ @ 48 MHz
• Size: 22x14 mm
• Up to 10 Km in free space and tens of meters in buildings
• Open source firmware based on RIOT the Real Time Operating System for IoT