Abstract: In this paper, a ZigBee long-distance wireless data transmission module program that based on CC2530 and CC2591 has been proposed. This program can increase the Zigbee output power to +22 ...

A new online program in the Boston College School of Social Work is designed to prepare students to work in the humanitarian aid and development sectors, helping to improve the lives of the world’s ...

The Office of National Drug Control Policy was created by the Anti-Drug Abuse Act of 1988 which authorized ONDCP to set drug policy priorities, implement a comprehensive and research-based national ...

This paper designs an intelligent greenhouse monitoring system to achieve the purpose of intelligent and precise acquisition, storage, and transmission of various data. The main control chip of the ...