IoT Integrated Development Board

The basic experimental platform for IoT application technology training is designed and developed by our company for the cultivation of comprehensive skilled talents in the field of IoT. It is based on the progressive architecture system of IoT recognition, perception, communication transmission, networking technology, and data analysis. Serving the experimental and practical teaching of IoT technology in related majors such as IoT, wireless sensor networks, microcontroller principles, communication principles, automatic control, embedded technology, computer science, electronics, and networking. Based on the development, application, learning, configuration, use, and operation of a large number of IoT devices, accompanied by detailed and comprehensive practical training courses and technical resources, we aim to cultivate students' practical hands-on abilities in IoT system integration cognition, development and implementation, IoT system operation and maintenance, etc; The focus is on cultivating students' use and cognition of IoT device platformization, ultimately enabling them to more systematically and comprehensively connect with the skill requirements of information technology industry positions.

The entire experimental platform integrates sensorless technology, data acquisition technology, Zigbee short-range transmission technology, radio frequency identification technology, reader development technology, wireless network technology, industrial bus Modbus communication technology, Ethernet communication technology, and other devices; The platform resources include IoT gateways, as well as some sensors and controllers. Users can expand personalized hardware configurations based on the gateways, making the hardware more diverse to meet various experimental needs. At the same time, users can also install other industry application suites according to their own teaching situation to meet the expansion needs of teaching and experimental training.

The platform is also equipped with detailed and comprehensive experimental training tutorials and technical resources, focusing on cultivating students' skills in IoT system integration and development, IoT related software development, microcontroller development, HTML5, Modbus communication, etc RFID、 Mobile internet development and upper computer application software development.

The system covers various applications of the Internet of Things, including intelligent control, intelligent agriculture, intelligent street lights, intelligent supermarkets, intelligent security, and environmental monitoring.

The relevant sensor hardware modules include: smoke concentration collection, flame monitoring, combustible gas detection, carbon monoxide detection, temperature and humidity sensors, motion infrared detection, infrared radiation, RFID data acquisition and processing; (Easy to expand various other functional sensors)

The related actuator hardware includes relay actuators, fan actuators, indicator light actuators, LED warning light actuators, and buzzer actuators.

The software and hardware system adopts a platform based and modular design, with standardized expansion boards for easy functional expansion.scalableWIFITransmission technology, low-power Bluetooth4.0Transmission technology2G/GPRSCommunication technology3G/4GCommunication technologyGPS/Beidou positioning technologyLoraWanTransmission technology, narrowbandNB-IOTTransmission technology.

The supporting series of textbooks are as follows:

Introduction to Internet of Things EngineeringCC2530 Microcontroller Technology and Applications

Wireless Sensor Network TechnologyC # IoT Application Development

Fundamentals of C # Internet of Things ProgrammingAndroid IoT Application Development

Fundamentals of Java Internet of Things ProgrammingIntegrated Application Training of Internet of Things

The basic experimental platform for IoT application technology training covers RFID technology, Zigbee technology, WSN technology, industrial bus Modbus communication, Ethernet communication technology, and mobile internet technology. It is possible to conduct experiments on one of the technologies separately, or to combine multiple technologies to complete prospective learning and comprehensive technology learning.

communication gateway

KF-30IIt is a multifunctional, high-performance, and highly stable communication gateway. It has4roadRS232Serial port,1roadRS485Interface;1road10M/100MAdaptive Ethernet interface. Users can easily connect serial devices and network devices using it.

Hardware specifications

Network characteristics:

·Support static and dynamic IP addresses;

·Support automatic switching of network cable cross direct connection

·The work port, target IP, and target port can all be set;

·In TCP server mode, each serial port supports four client connections, and multiple users can manage one serial device simultaneously;

·Support DNS functionality;

·Support network online firmware upgrade function;

·Can communicate across network segments, switches, routers; Can work on LAN or Internet;

·Supporting protocols include Ethernet, ARP, IP, ICMP, UDP, DHCP, TCP;

·Supports Modbus TCP to Modbus RTU conversion

·Support webpage parameter configuration and password login.

Digital input/output module:

The digital input/output module has 7 channels of input and 8 channels of output, which comply with industrial Modbus digital input

Output module specification. Supports Modbus communication protocol.

Wide power input range: 9V-28VDC

LED indicator light for easy monitoring of status

Industrial grade 8-bit main controller MCU.

All 7 inputs adopt industrial grade optocoupler isolation detection.

8-way output can directly drive industrial relay output.

Industrial Phoenix terminal interface, with both RS485 and TLL serial communication capabilities.

WSN functional nodes:

Provide 2 WSN functional nodes, and the ZigBee chip of the nodes adopts TI CC2530F256 chip.

Simultaneously equipped with RS232 interface of DB9 and TTL serial port.

Onboard with 3 buttons and 4 LED indicator lights.

Standard CC debugger debugging download interface.

Onboard sensor expansion slot, capable of expanding multiple sensor acquisition applications.

GPIO input acquisition experiment, GPIO output control, interrupt experiment, timer and serial communication experiment, ADC acquisition experiment based on CC2530 wireless microcontroller.

Point to point wireless communication experiments based on CC2530, Zigbee unicast, broadcast, and multicast communication experiments based on Z-Stack, and data collection and control experiments based on Zigbee network.

RFID module:

It can achieve the functions of mid-range all-in-one machines, patrol baton devices, and ultra-high frequency card issuing devices in IoT engineering. Adopting LCD display can display all the font contents of GB2312, compatible with control commands of LED dot matrix screen. Implement RFID application projects based on ISO14443 protocol, such as electronic wallets, intelligent warehousing, smart supermarkets, and other application development.

Device peripheral function motherboard:

All functional module devices can be simultaneously connected to the motherboard for operation, eliminating the need for additional wiring and power supply for each module. At the same time, onboard sensors, lighting fixtures, exhaust fans and other peripheral devices can meet the requirements of module three program control and training verification.

The device motherboard is used for wiring peripheral devicesPCBThe routing processing eliminates the need for additional wiring between devices and peripherals. It can also be freely wired externally through the wiring port.

Onboard 2 lighting fixtures and 1 warning light.

Onboard 2 human infrared detection sensors.

1 smoke sensor.

1 combustible gas detection sensor.

1 carbon monoxide detection sensor.

Two flame sensors.

1 infrared radiation sensor.

Three sets of relay output ports.

Three exhaust fans.

Experimental project description

Operating environment, development environment