：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 -: An introduction to Atmel' s single-chip ATmega324P for the control of the core, combined with digital temperature sensor DS18B20 and the company' s wireless transceiver INTEGRAT10N chip wireless IA4421 digital temperature sensor designs. The design frequency band (433 MHz ISM) not required to apply to the use of temperature measurement range of 1 4o ~ 95 ℃, a resolution of 0.062 5 ℃, operating frequency 433 MHz, receiver sensitivity of 109 dBm, the maximum transmitting power 8 dBm,