SHT21为湿度感应芯片，提供中文版PDF 单片机AVR 使用模拟I2C接口，与SHT21通信 代码测试OK。 -SHT21 the humidity sensor chip, providing the Chinese version PDF AVR microcontroller using the I2C interface, analog, and SHT21 communications code test OK.

基于SHT21与AVR的MSP430的驱动程序进行了测试，430。可用于sht2x系列。-The MSP430 driver based on SHT21 and AVR were tested, 430. Can be used for SHT2X series.