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Description: GSM MCU 开发板，源代码，收发短信。-GSM MCU development board, source code, send and receive text messages.
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Size: 197632 |
Author: szt |
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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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Size: 8192 |
Author: zhengcaite |
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Description: ATmega64做的MP3播放器 含源代码-ATmega64 make the MP3 player with source code
Platform: |
Size: 3567616 |
Author: 曹其超 |
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Description: 在以前的文章中，我已經表明，它可以連接一個藍牙模塊到ATMEGA微控制器通過 UART串行接口，甚至進一步，發現它使用藍牙功能的電腦或智能手機。
9600串行鏈路的建立，可以比用來交換數據。
使用Android手機用於此目的也不例外。我將用它來控制英仙座3機器人平台。我米做的是直接連接的Android與 ATMEGA單片機通過串口藍牙連接。所以，你可以使用這種技術用於其他目的不是機器人，因為 ATMEGA有一個大範圍可能的用途：控制光在家裡使用的Android手機，閱讀各種傳感器和收集數據的Android等。-In a previous article, I ve shown that it is possible to connect a bluetooth module to an ATMega micro controller via the UART serial interface and even further, discover it using a bluetooth enabled computer or smartphone.
The 9600bps serial link established, can than be used to exchange data.
Using an Android phone for this purpose is no exception. I will use it to control the Perseus 3 robot platform. What I m doing is directly interfacing the Android with the ATMega microcontroller via the serial bluetooth link. So you can use this technology for other purposes than robots, since the ATMega has a large range of possible uses: control the light in your home using the Android phone, read various sensors and gather the data on the Android, and more.
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Size: 605184 |
Author: ckw |
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