资料下载
## 1.基本文档资料
### [产品规格书](http://101.200.35.208:8034/AM21EV5/BaseManual/20200831_Amaziot_AM21E_V5产品规格书_V1.0.pdf)
### [硬件设计手册](http://101.200.35.208:8034/AM21EV5/BaseManual/20200831_Amaziot_AM21E_V5_硬件设计指南_V1.0.pdf)
### [AT指令手册](http://101.200.35.208:8034/AM21EV5/BaseManual/20200831_Amaziot_AM21E_V5_AT命令手册_V1.0.pdf)
### [固件烧录说明](http://101.200.35.208:8034/AM21EV5/BaseManual/AM21EV5固件烧录说明.pdf)
### [开发板使用手册](http://101.200.35.208:8034/AM21EV5/BaseManual/AM21EV5开发板使用手册.pdf)
## 2.扩展文档资料
### [MQTT开发说明](http://101.200.35.208:8034/AM21EV5/ExtenManual/AM21EV5_MQTT开发说明.pdf)
## 3.demo板
### [demo板原理图PDF](http://101.200.35.208:8034/AM21EV5/DemmoSchematic&PCBdiagram/20210520_AM21E_V4V5_DEMO.pdf)