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Author: yanwnag |
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Description: 摘 要:介绍一种以Atmel公司的单片机 ATmega324p为控制核心,结合数字温度传感器DS18B20和 INTEGRAT10N
公 司的无线收发芯 片 IA4421的数 字化 无线温度传感器的设计 。该设计频段(433 MHz ISM)无 需 申请 即可使 用测 温范 围为
一
4o~95℃ ,分辨率为 0.062 5℃ ,工作频率 433 MHz,接收灵敏度为 109 dBm,最 大发射功 率 8 dBm,传输距 离 200 m,采和
电池供 电。重点介绍该 系统 的硬件接 口、软 件设 计 以及 低 功耗设 计。该数 字化 温度传 感 器可应 用到各 种 需要无 接触 的场
合 ,实现 对现 场温度 的“先知先觉”。
关键词 :ATmega324p;数 字温度传 感器;无线收发 ;IA4421;ATmega334p -esign and Realization of Digital W ireless Temperature Sensor Based on IA44
ZHANG Kefan,ZHANG Shuhua,TU Qiang,LI Ying
(School of Information Science and Engineering,Yunnan University,Kunm ing,650091,China) ct:The digital wireless temperature sensor based on ATmega 324p of Atmel Company,digital temperature se chip RF transceiver IA4421 are introduced,433 M Hz ISM does not need application.temperature measure b
g power 0.062 5℃ ,operating frequency 433 MHz,receiving sensitivity 一 109 dBm,the most transmit p distance 200 m,battery power supply.The hardware interface and low po wer software design are analyz sensor can be applied in each contactless occasions,realizing foresight to the temperature. rds:ATmega324p;digital temperature sensor;wireless transceiver;IA4421
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Author: zhengcaite |
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Description: Silicon Labs最新出品的Si4432射频芯片中文版说明书,IA4432其实就是Si4432。-Silicon Labs newly published Chinese version of Si4432 RF chip instructions, IA4432 fact Si4432.
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Size: 6775808 |
Author: 王海 |
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