This research focuses on the development of a solar photovoltaic assembly detection technique in the field of wireless Internet of Things (IoT). Specifically, it presents a novel method for acquiring data from solar photovoltaic assembly arrays using wireless IoT technology. The research utilizes low-cost and low-power consumption components operating at 433MHz, which serve as IoT communication infrastructure. Through the integration of embedded MCU core components, the system achieves functions such as IoT networking, data acquisition, distributed calculation, packet communication, conflict prevention, and internet connectivity. The proposed data collecting system is configurable, highly reliable, and designed to cater specifically to solar photovoltaic assembly arrays.