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The development of a wireless sensor network (WSN) application requires innovative solutions to achieve effective communication. Designing WSNs, involves many factors including the robustness of network components, cost, energy efficiency, and sustainable implementation models. Enhancing communication networks to achieve reliable wireless connectivity that is cost effective and energy efficient is a major challenge in WSN. In this paper, we provide resource information of potential interest to students, researchers and network designers interested in advancing forefront hardware experimentation and WSN research in general. The information relates to some of the available hardware component features/capabilities, medium access control (MAC) protocol implementation challenges, and general application design goals. Moreover, we provide some solutions when selecting hardware components and implementing MAC in embedded microprocessor platforms. Understanding currently available technologies is challenging given the number of WSN vendors/developers and ongoing developments. We assert that developing effective WSN applications, requires an understanding of the WSN application under consideration and making the right hardware and protocol choices, i.e. using best components and the most appropriate algorithm for the hardware selected. [ABSTRACT FROM PUBLISHER]