The figure based on LM3S101 adopts the controller to design

The figure utilizes a controller as the primary equipment for gathering and controlling digital data within an on-site monitoring system. The stability of on-site control operations is crucial to the overall system performance. Therefore, a simple and stable structure is developed using the controller, which is significant in balancing reliability and cost-effectiveness. The LM3S101 microcontroller serves as the core for control, along with the specialized RS-485 communication device, SP3485, for designing the communication interface. The system integrates digital inputs and supports simultaneous operations, including serial inputs and outputs, facilitated by 8 shift registers (74HC164 for serial output and 74HC165 for parallel input). The design method presented emphasizes the controller's robustness, practicality, and novel anti-jamming capabilities, making it suitable for various on-site monitoring systems. It can also be adapted for long-distance control systems. The hardware architecture centers around the LM3S101 ARM microcontroller, which manages functions such as RS-485 communication, local address configuration, and digital data flow control for eight digital inputs and outputs at specified baud rates. The system architecture is illustrated in Figure 1, where the controller manages digital signals from flow sensors to send commands to a remote control center, handling applications like glass break detection and far-infrared monitoring. The controller collects data from eight digital sensors and transmits the results to the control center while receiving control commands for output operations, managing ancillary equipment such as lights and alarms. The system primarily consists of the LM3S101 ARM microcontroller, RS-485 communication interface, communication baud rate configuration, and circuits for eight digital inputs and outputs. The LM3S101 ARM microcontroller, developed by Luminary Micro, is a compact 32-bit microcontroller featuring an ARM Cortex-M3 processor. This processor is designed for responsive embedded applications, focusing on cost and power efficiency in systems like automotive controls, industrial automation, and wireless networks. The LM3S101's standout features include low cost and enhanced performance, challenging the common perception that 32-bit microcontrollers are expensive. As a result, the LM3S101 microcontroller chip has transformed the landscape for low-cost embedded application systems, providing a competitive option against traditional 8/16-bit microcontrollers.

The presented system is designed to meet the requirements of modern monitoring and control applications, where reliability and efficiency are paramount. The integration of the LM3S101 microcontroller ensures that the system can handle multiple digital inputs and outputs with precision, while the RS-485 communication interface allows for robust data transmission over extended distances. The use of shift registers (74HC164 and 74HC165) enhances the system's capability to manage both serial and parallel data, ensuring seamless interaction between the controller and the connected devices.

The system's architecture is further enhanced by its adaptability to various monitoring scenarios, such as environmental monitoring, security applications, and industrial automation. By utilizing the LM3S101 microcontroller, the design benefits from a high-performance processing core that is optimized for low power consumption, making it suitable for battery-operated devices or applications where energy efficiency is crucial.

In conclusion, the system architecture based on the LM3S101 microcontroller and RS-485 communication interface represents a significant advancement in the design of on-site monitoring systems. Its combination of reliability, cost-effectiveness, and versatility positions it as a strong candidate for a wide range of applications in the field of embedded systems.The figure adopts the controller as the capital equipment that digital quantity is gathered and controlled in the on-the-spot monitor system, the stability of the on-the-spot control work to the overall system of its characteristic has very important function. So develop structure to be simple characteristic stable adopting the controller, having very much important meanings by the intersection of reliability and high

with low costs new figure. LM3S101 The microcontroller in order to control the core, and adopt the specialized device SP3485 of RS-485 communication to carry on the design of the communication interface, paid digital input and run side by side / failed by Serial Input / 8 shift registers 74HC164 and parallel entry / 8 shift registers 74HC165 of serial output of parallel output Publish the design method that the expanded figure adopts the controller. It has characteristic such as being strong of relative elevation of the sexual valence, practicality, antijamming capability novel in design that this figure adopts the controller, can apply to various on-the-spot monitor systems extensively, and after transformation, it can apply to the long-distance control system.

This figure adopts the hardware of the controller and regards LM3S101 ARM microcontroller as and controls the core, mainly realize functions such as RS485 communication, setting up, local address setting up, gathering and digital flow control of No. 8 of digital quantity of No. 8 of baud rate, etc. The hardware of its system makes up and is shown as in Fig. 1. It adopt figure by that controller control by flow sensors digital live what control centers long-range send out function for instance: The glass breaks and monitors, far infrared monitoring etc.

The state that the state controls the order to carry on the sensor digital quantities of No. 8 is gathered, then send the digital quantity result gathered to the control center; Receive at the same time and come from the digital quantity switch control command that the long-range control center sends, carry on the output control of digital quantity, control the ancillary equipment of Living control in order to control, for instance: Light, alarm equipment, etc. This system is mainly by LM3S101 ARM microcontroller master control system, RS485 communication interface, communication baud rate and local address set up the circuit, digital quantity of 8 routes incoming circuit, digital quantity of 8 routes output circuit etc.

to make up. LM3S101 ARM microcontroller is that a style which Luminary Company puts out is simple in construction, 32-bit microcomputer microcontroller outstanding and with ARM Codex-M3 processor kernel of characteristic. Codex-M3 processor is first because of ARMv7M framework, directed primarily to responsive embedded applications to the cost and power consumption extremely such as system of body of a motor car, industrial control system and wireless network, etc.

, it is ARM kernel specially designed withed the purpose of realizing high system performance. The maximum characteristic of LM3S101 is the low cost, the relative elevation of the sexual valence. The impression usually in most people brains is the price great of the microcontroller of the 32-bit microcomputer, so while designing the low-cost embedded application system, the intersection of regular meeting and conscientious or first-selected microcontroller of 8/ 16 unconsciously, and the emerging of LM3S101 microcontroller chip has makeovered this kind of state. The because it one selling price is at under every one, this so as to at not constructing by application systems of performance-cost ratio equal, LM3S101 to choose 32-bit microcom

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