基于ATmega128的DHT21温湿度传感器与zigbee的通信程序-Based on ATmega128 The DHT21 temperature and humidity sensors and zigbee communication program

基于ATmega128的DHT21温湿度传感器程序延时及变量定义-The DHT21 ATmega128-based program of temperature and humidity sensor time delay, and variable definitions

gcc下的ATmega128的DHT21温湿度传感器控制程序，自己编的，保证能用。-gcc under the ATmega128' s DHT21 temperature and humidity sensors control procedures, their own series, can guarantee.