smart board grants for teachers.The interactive whiteboard is an advanced educational or conference-assisted human-computer interaction device. It can be used with projectors, computers and other tools to achieve functions such as dust-free writing, free writing, and remote communication. In terms of hardware, the interactive whiteboard combines large-screen projection technology and precise positioning test technology. At this stage of the international or domestic market, there are a variety of technologies that can achieve accurate positioning of electronic whiteboards, representative of electromagnetic induction, infrared, electrical resistance, ultrasonic, CCD and other technologies. Each technology has different characteristics and advantages, and it has a certain share in the electronic whiteboard market. According to the analysis report of the international authoritative market research institute, in the international market in the first three quarters of 2006, electromagnetic induction technology accounted for 31.87%, infrared technology accounted for 17.4%, and other technologies accounted for 51%.