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[Documents] shepindxinpin DL : 0: 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
Date : 2025-12-28 Size : 8kb User : zhengcaite
[Documents] atmega_motor_dht11 DL : 0: 关于采用atmega单片机制作直流电机、dht11温湿度测量和雨滴测量的程序。-About produced using atmega microcontroller DC, dht11 temperature and humidity measurement and raindrops measurement program.
Date : 2025-12-28 Size : 910kb User : huangshiwen
[Documents] atmega8-dc-dc-0-30v-2-5a-ayarli-guc-kaynagi DL : 1: atmega 8 dc - dc -0 -30v-2-5
Date : 2025-12-28 Size : 578kb User : sarozi