The Spring Festival holiday has passed,
are you already looking forward to the next holiday?
Do you miss the lazy days during the Spring Festival?
Don’t worry, there are even tougher days ahead…
Today, there are only 36 days until the next Qingming holiday!
There are 60 days until Labor Day,
108 days until the Dragon Boat Festival,
206 days until the Mid-Autumn Festival,
215 days until National Day…
Are you frustrated that the annual leave is too short?
Haha
However, the finals of the competition are just
less than100 days!!!
Now, regarding the details of the competition
the editor will continue to reveal to everyone
Implementation of Hardware and Software
Smart Security Scenario Box Device
The software resources mainly consist of STM32 development software (Keil5), touchscreen development software (GpuMaker), wireless sensor networks (Zigbee—IAR), PC data management and analysis software, interface display software, OpenWRT embedded development, face recognition, etc.
01 Embedded Software Functions
The main interface has five functional buttons: smart recognition, environmental security, perimeter security, screen calibration, and about us, and realizes linkage with the PC and APP interfaces, sharing the status of execution units.
Smart Recognition: Implements functions such as RFID recognition, password recognition, fingerprint recognition, etc.;
Environmental Security: Collects data from surrounding environmental sensor nodes, and when the data reaches a certain threshold, the corresponding actuators will perform control operations;
Security Alarm: Collects data from perimeter wall sensor nodes, and when a change is detected in the perimeter, it will trigger alarms and capture images;
Screen Calibration: Calibrates the touch of the touchscreen.
Main interface of the Smart Security Teaching System
02 PC Software Functions
01 Environmental Security Platform Experiment
Through the environmental security platform, real-time data from environmental perception sensor nodes such as carbon dioxide, temperature and humidity, and light can be viewed. Users can set warning values (when exceeded, the corresponding execution devices will act) and can also manually control these devices; operation logs and historical data can be viewed for historical data and warning trigger information.
Screenshot of the Environmental Security Platform
02 Perimeter Security Platform Experiment
Through the perimeter security platform, real-time information from sensors deployed on the perimeter wall such as lasers, infrared, vibration, and ultrasonic can be collected, and real-time monitoring videos and captured images can be viewed in historical records.
Screenshot of the Perimeter Security Platform
03 Face Recognition System Experiment
The face recognition system can recognize faces in photos and real-time monitoring videos; users can set the similarity threshold for recognition, and the recognition results can be displayed directly in the current interface recognition log.
Screenshot of the Face Recognition System Experiment
03 APP Software Functions
01 Security Experiment Box Homepage
Control Devices: Users can control devices, turning them on and off individually or with a single button.
View Real-time Video: Users can view real-time video.
02 Environmental Monitoring Homepage
View Real-time Environmental Data: Users can view real-time environmental data, providing real-time data display and line chart display.
03 Perimeter Security Homepage
View Real-time Data: Users can view the real-time defense status, including laser security, infrared security, vibration security, and ultrasonic security. One-click Defense: Users can activate all defenses with one click. View Real-time Video: Users can view monitoring videos in real-time. View Captured Images: Users can view captured images.
Homepage, Environmental Monitoring, and Perimeter Security Page Screenshots
04 Main Control Unit
MCU Main Controller Module (STM32):
1. STM32F1 Core: Cortex-M3 32-bit RISC
2. Operating Frequency: 72MHz, 1.25 DMIPS/MHz
3. Operating Voltage: 2-3.6V
4. Storage Resources: 512kB Flash, 64kB RAM
5. Onboard 0.96-inch OLED display, USB mini interface, SD card slot
OpenWRT WIFI Module:
1. Qualcomm AR9331 MIPS 24K
2. OpenWRT (Linux) system, system frequency 400MHz
3. Memory 64M + DDR2 RAM, operating voltage 5V ±10%
4. Supports IEEE802.11 b/g/n
5. Wireless Rate: Up to 150Mbps, Wireless Transmission Distance: 100m
6. Wireless Operating Modes: Router, AP, Repeater, Bridge
05 Smart Recognition Unit
RFID Radio Frequency Identification:
1. ISO/IEC 14443 A/MIFARE standard card reading module, reading distance up to: 10CM
2. Operating Current: 13—26mA/DC 3.3V
3. Sleep Current: <80uA; Peak Current: <30mA
6. Operating Frequency: 13.56MHz
7. Supports three communication methods: SPI, IIC, and UART, with SPI communication clock up to: 10Mbit/s, IIC clock up to: 400K
8. Excellent reading performance, high speed 847kbit/s
9. ★ Supported Card Types: mifare1 S50, mifare1 S70, mifare UltraLight, mifare Pro, mifare Desfire
06 Perception Unit
Laser Sensor:
1. Power Supply Voltage: 5-12VDC
2. Response Time: 2.5ms
3. Light Source: Laser 650nm
4. Detectable Object: ≥1mm opaque object
5. Detection Distance: 0-20m
Ultrasonic Sensor:
1. Power Supply Voltage: DC5V
2. Static Current: Less than 2mA
3. Sensing Angle: No more than 15 degrees
4. Detection Distance: 2cm-450cm
5. High Precision: Up to 0.3cm
07 Execution Unit
Relay:
① Operating Voltage: 5V DC;
② Operating Temperature Range: -45℃-85℃;
③ Operating Humidity Range: 45%-85%.
Stepper Motor:
① Rated Voltage: 5V DC;
② Phase Count: 4;
③ Phase Resistance: 300Ω;
④ Step Angle: 5.625/64;
⑤ Reduction Ratio: 1:64.
08 Wireless Sensor Network
Zigbee Node:
1. The CPU is CC2530
2. Onboard voltage regulator chip ASM117-3.3 can connect to DC 5V voltage
3. Supports Z-Stack protocol; supports serial communication protocol
4. Onboard 0.96-inch OLED display
5. Onboard USB debugging interface
6. Onboard DS18B20 temperature sensor
7. Onboard serial indicator light, red, yellow, and blue three debugging indicator lights
8. Onboard Reset button and 2 USER buttons
If you want to know more about how to play
Technical Exchange Group for the Competition: 539338028
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The editor will definitely provide you with a response