:
1)
2)
3)
4)
, .
, , .
, , . , , . DS18x20 (.4.1) "Dallas" ( "Maxim"). DS1820. , DS18S20 DS18B20.
DS18x20 55 +125C 0.5C. ( ) , DS18B20 120C, , , .
0.5C 10 +85C 2C . . 4.2. 0.0625C.
4.1. DS18x20
2$, , .. , , . , , , , 100-300 .
-
, . Nordic Semiconductor. , . , ANT, Dynastream Innovations. , ZigBee Bluetooth (.4.6), 802.15.
|
|
1. .
ANT | Bluetooth | ZigBee Alliance | |
, | 2,4 | 2,4 | 2,4 |
GFSK | GFSK | QPSK | |
, / | |||
2. | |||
, | |||
, - | - | , - | |
(, , ) . , ; PAN (Personal Area Network) 1 4 OSI (Open Systems Interconnection network model). . ANT 2,4 , 125 ( 1 2400...2524 ). ( ) 1 /. , , nRF24AP1, NRF24L01 NRF24L01+.
nRF24AP1 ANT, , , (.4.10). , .
, , . Arduino.
Arduino . (C/C++), . USB . Arduino , . , .
Arduino Atmel AVR (ATmega328P ATmega168 ATmega8 ), . +5 +3,3. 16 8 ( ). BootLoader, .
|
|
, , , , , . .
- , . .
1. [ ]: - . - . . : http://www.promelec.ru/company/news/280/, .
2. [ ]: WiFi: . - . . : http://www.nix.ru/support/faq/show_articles.php?number=596&faq_topics=WiFi-802.11, .
3. Nordic Semicondacer. Single chip 2.4 GHz Transceiver with Embedded ANT protocol. nRF24AP1 product specification []. September 2006.− 25 .
4. Nordic Semicondacer. Single chip 2.4 GHz Transceiver with Embedded ANT protocol. nRF24L01 product specification []. July 2007.− 74 .
5. Nordic Semicondacer. Single chip 2.4 GHz Transceiver with Embedded ANT protocol. nRF24L01+ product specification []. September 2008. 78 .