Product Overview: The SB-TEK SB-IoT-W2 IoT Wire and Wireless Networks Training System is a comprehensive laboratory solution designed for engineering universities, technical institutes, and vocational education centers. This system provides a complete learning platform for understanding wired/wireless communication, sensor network integration, environment monitoring, and IoT-based smart home automation. With modular design, real hardware sensor circuits, and interactive network experiments, the SB-IoT-W2 enables students to gain hands-on experience with modern IoT technologies aligned with global industry standards.
TECHNICAL SPECIFICATIONS
1. Network Interface Circuits
Wire Network Interface Circuit
• Compatible Devices: PC and Cellular Phone
• Hardware Requirements: Supports USB and Bluetooth
2. Photo and Switch Sensor Network Circuits CdS Sensor Network Circuit
• Operating Wavelength: 500 nm ~ 580 nm
• Resistance Range: 10 k? ~ 5 M?
Phototransistor Network Circuit
• Operating Wavelength: 430 nm ~ 670 nm
Tilt Switch Network Circuit
• Operating Angle: 55° ~ 125°
Reed Switch Network Circuit
• Contact Resistance: 150 m? (Max.)
• Insulation Resistance: 10¹? ? (Min.)
3. Environment Sensor Network Circuits
Red Color Sensor Network Circuit
• Operating Wavelength: 590 nm ~ 720 nm (?p: 660 nm)
• TC74 Temperature Sensor Network Circuit
• Measurement Range: -40°C ~ +125°C
• Accuracy Error (Max): ±3°C for 0°C ~ 125°C
DHT11 Humidity Sensor Network Circuit
• Measurement Range: 20 ~ 90% RH
• Accuracy Error: ±5% RH @ 25°C
4. Infrared and Gas Sensor Network Circuits
Infrared Sensor Network Circuit
• Frequency Response: ±10 dB for 0.3 Hz to 3 Hz
• Field of View:
o 21° ~ 159° (X-axis)
o 27.5° ~ 152.5° (Y-axis)
Alcohol Sensor Network Circuit
• Sensing Body Resistance: 100 k? ~ 500 k? (100 ppm Alcohol)
• Operating Humidity: < 95% RH
• Operating Oxygen Concentration: > 2% (Min.)
Nature Gas Sensor Network Circuit
• Sensing Body Resistance: 2 k? ~ 20 k? (5000 ppm Methane)
• Operating Humidity: < 95% RH
• Operating Oxygen Concentration: > 2% (Min.)
5. Interactive Network Circuits for Smart Homes (I)
Interactive Network Circuit for Home Light
• When the light becomes dark, the network automatically turns on the LED.
Interactive Network Circuit for Home PM2.5
• Fan Control Based on Air Quality:
1. Fan Off (PM2.5 < 35)
2. Low Speed (PM2.5: 36 ~ 53)
3. High Speed (PM2.5 > 54)
6. Interactive Network Circuits for Smart Homes (II)
Interactive Network Circuit for Home Temperature
• Fan Control:
1. Fan Off (Temperature < 21°C)
2. Low Speed (22°C < Temperature < 27°C)
3. High Speed (Temperature > 28°C)
Interactive Network Circuit for Heart Rate
• Alarm Activation:
1. Continuous Alarm (Heart Rate < 40)
2. No Alarm (50 < Heart Rate < 90)
3. Intermittent Alarm (Heart Rate > 100)
7. Function Generator and DC Power Supply Module
Function Generator
• Waveforms: Sine, Triangle, Square, TTL Pulse
• Amplitude: >10 Vpp
• Impedance: 50? ±10%
• Duty Control: 30% ~ 60%
• Display: 6-Digit LED Display
• Frequency Range:
o 10 Hz ~ 100 kHz (4 Ranges)
o 100 Hz ~ 1 MHz (4 Ranges)
• Frequency Control: Coarse & Fine Tuning
DC Power Supply
• Constant Voltage Output: ±5V, ±12V
• Variable Voltage Output: 0V ~ ±15V
Power Source
• 220 ~ 230V AC, 50Hz, 1 Phase
Standard Accessories
• Printed Operation Manual
• All Required Interface Cables
• Modular Sensor Units
• Experiment Worksheets (Optional).
