Industrial Automation: In the field of industrial automation, RS485 communication is widely used for data transmission and control connectivity among various devices such as sensors, actuators, and PLCs. High-speed transmission: RS485 supports data transmission speeds of up to 10Mbps, meeting the data transfer speed requirements of IoT devices. Multi-point communication: RS485 supports multi-point communication, enabling the connection of multiple devices to form a network, meeting the inter-device connectivity requirements in IoT.Ĥ. Strong anti-interference capability: RS485 communication uses differential signal transmission, exhibiting excellent anti-interference capability, ensuring stable and reliable data transmission in industrial environments.ģ. Long-distance transmission: RS485 communication supports transmission over a maximum distance of 1200 meters, suitable for communication needs among IoT devices distributed over larger areas.Ģ. RS485 communication, as a serial communication protocol, offers several prominent advantages: 1. In this context, RS485 communication, as a reliable communication protocol, is widely used for data transmission and communication connectivity between IoT devices. With the continuous development of the Internet of Things (IoT) technology, an increasing number of devices require remote monitoring and control. When combined with the visual and user-friendly programming environment of UIFlow, it makes system construction easier, reduces development costs and risks, and facilitates rapid prototyping and feature expansion. When it falls below 55, the stepper motor stops rotating.Ĭlick "Run," and the system will operate as we set.Ĭonclusion In summary, the stackable modular design provides a flexible, efficient, and scalable approach to IoT system development. When the concentration exceeds 55 (μg/m³), the stepper motor starts rotating. In the main loop of the program, add a condition based on the PM2.5 concentration, using the value stored in SP for simplicity. Set the motor drive mode at the beginning of the code, here we set it to distance mode. Next, find the code blocks corresponding to the GRBL module in UIFlow. When we want to drive a stepper motor to actuate certain mechanisms when the PM2.5 concentration is high. Click "Run," and we will see the air quality displayed on the screen. Then, in UIFlow, click on "PM2.5" and select "Load Examples" to open the sample code. We can stack the PM2.5 Air Quality Module to the MStack Basic. Building an IoT System If we need to detect air quality. Setting up the UIFlow Environment Taking the MStack Basic as an example, the first step is to refer to the UIFlow firmware burning tutorial and download M5Burner to burn the UIFlow firmware to the controller. Even developers with limited hardware and software knowledge can quickly build powerful IoT devices. M5Stack’s products have a stackable design, providing standardized interfaces for easy construction of the system, when combined with the intuitive visual programming interface of UIFlow, it significantly reduces the technical barriers of system design and development. It assists developers in swiftly developing and validating their concepts and works directly from idea to product, allowing developers to create various types of devices and solutions more quickly and economically. Modular IoT system construction offers high flexibility and scalability as the developers can quickly build prototype systems using existing modules to save time in design and development.
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