Compact TTL-Bluetooth module

摘要

Laptops, mobile phones and PDAs - you mention it, these days it's bound to have a Bluetooth interface. USB Bluetooth dongles are available at low prices, which opens the way to using these wireless devices to link your own circuits to a PC. To do so, all you need is the compact TTL-Bluetooth dongle we'll describe in next month's edition. Besides the LMX9838 chip with its integrated radio transceiver the board contains just a handful of parts, including a connector for audio applications.