ACME YARM Radio module.

ACME has released a new radio module for the Internet of Things. It is YARM! YARM is a small RF module, large 22mmx14mm, which uses the ISM frequency band of 868 MHz. It consists of two devices: the transceiver Atmel ATA8510 and MCUs, Atmel always, SAML21 (ARM Cortex M0 + @ 48MHz).

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ISM Band 868 MHz Sub-1GHz.

This frequency band has limits and rules to follow. Power and transmission times are regulated by the directives. In the graphics I will propose a summary of these rules, to consider for your projects.

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YARM PinOut

The YARM module has a number of I/O available for connecting external devices. Also available are the ATA8510 transceiver device pins. The development and debugging is performed using a board called YARM-DEV.

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The development board: YARM-DEV!

The YARM-Dev module is the board to develop and test the final product, designed around the YARM. The module has many YARM pins routed to 2.54mm pads. It also has a connector for connecting a custom adapter for debugging; this adapter is able to make available the connections to the ATA8510 debugger and to MCU debugger.

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Five reason to use YARM!

1.Low Power Consumption
2.Very Small (22x14 mm)
3.Very Long Range Capability
4.Low Price
5.Simple to Program

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YARM-DEV Pin out: Oh My

One SPI, one I2C, a serial port. And three analog input and one analog output! So you have no excuse!

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