As the national rural hunan agricultural informationization demonstration province comprehensive service platform and the operation o f rural io t foundation platform. Puts forward new requirements on rural culture propaganda position. In order to meet this requirement, Propose a framework based on the framework o f Spring, Spring MVC and Mybatis with ARM9 embedded system emergency broadcasting system in the countryside. This system has the function of addressable and emergency release information, Can be single or multiple remote switch villag...
