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Home › Magazines › 2009 › December › Bluetooth with the ATM18

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Bluetooth with the ATM18

The Vikings Are Coming!

Published in issue 396, December 2009

Bluetooth with the ATM18
Since its introduction in 2001, Bluetooth has developed into an essential standard for wireless links between devices. Using an inexpensive serial module, we can add Bluetooth functionality to our ATM18 board. Naturally, the example software written in C can also be adapted for use with other ATmega boards.

Extra info, Updates

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BTM-222 Bluetooth module features
Certified for Bluetooth Version 2.0 and EDR
Direct line-of-sight range with lambda/4 antenna (31 mm): 80–150 m (depending on weather conditions)
Transmit power (Class 1): 18 dBm max.(63.1 mW into 50 Ohm)
Low power consumption (hold, sniff, park, and deep sleep mode)
Supply voltage: 3.0–3.6 V
Full Bluetooth data rate via UART
Supports up to seven ACL links and three SCO links
Supports enhanced data rate (EDR) for both modulation modes (2 Mbps and 3 Mbps)
SPP firmware with AT commands
Dimensions (mm): 28.2 x 15.0 x 2.8

Click below to download a PDF copy of this article from Elektor magazine.

 

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Magazine December 2009
UK396 (USD 7.50)
 

Order from Elektor 
Kit of parts: bare PCB and bluetooth module BTM222
080948-71 (USD 38.50)
 

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Software

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Please note. In view of the complexity of international markets, Elektor cannot guarantee the availability of components for this project.

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