Kites Embedded Solutions

When you begin to think about designing a wireless sensor, you become aware that there is more than one way to provide the wireless connectivity.

Some of the options are show above, working left to right, RFM12B, XRF, XBee series 2, XBee SMT.

RFM12B (HopeRF) XRF (Ciseco) XBEE (Digi) XBEE SMT (Digi)
Interface SPI serial serial spi / serial
Freq 868 Mhz 868 Mhz 2.4GHz 2.4 Ghz
AES Encrypt NO YES YES YES
Power Supply 2.2 to 3.8v 2.0v to 3.6v 2.1 - 3.6 V
TX / RX Power 25/14ma 36.2/23.8m 35/38ma @ 3.3VDC same
Price (inc VAT) £7.40 £11.88 £20.77 £15.44

Sensors are essential part for an Embedded system.Here we are showing how to connect a "IR SENSOR". In electronics, this sensor is analogous to human’s visionary senses which can be used to detect an obstacle which is one of its common applications.

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