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F249 Infrared Motor Speed Sensor Module
F249 Infrared Motor Speed Sensor Module
₦ 1,500
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Features:
- Operating Voltage: 2-5V
- Chip: TTP223B
- Response Time: 60-220ms
- PCB Size: 28x20mm
- Fully Arduino Compatible
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MQ-135 Air Quality/Pollution Sensor – Arduino Compatible
₦ 3,500The MQ-135 air quality and pollution sensor detects hazardous gases such as benzene, alcohol, smoke, CO2, NH3 and NOx(Nitrous Oxides) in the air. Analog out put can be interfaced directly to ADC of a microcontroller.
- 5V Operation.
- High sensitivity and response time.
Sample Applications: This sensor can be used to build air quality sensing devices for indoor and outdoor applications)
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PIR Motion Sensor
₦ 2,500This PIR motion sensor detects live moving objects such as humans or pets. It produces a 3.3V output for (5-200 seconds) to indicate presence of live moving object. It can be used to control lights, security detection, home automation, etc
- 5-12V Operating Voltage
- 3.3 V /Low 0V
- Adjustable sensitiity
- Variable trigger length (5-200 seconds)
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- 5V Operation
- Safely measure poisonous CO concentrations
- Highly sensitive CO
- Easy connection
- Highly sensitive
Applications: CO alarm, anti carbon monoxide poisoning system.
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Infra-Red Flame Sensor
₦ 1,500This module is sensitive to the flame and radiation. It also can detect ordinary light source in the range of of a wavelength 760nm-1100 nm. It can be used as a flame alarm or in fire fighting robots.
Features
Detects a flame or a light source of a wavelength in the range of 760nm-1100 nm.
Detection range: up to 100 cm.
Adjustable detection range.
Detection angle about 60 degrees, it is sensitive to the flame spectrum.
Comparator chip LM393 makes module readings stable.
Operating voltage 3.3V-5V.
Digital and Analog Output.
Power indicator and digital switch output indicator.
Interface Description (4-wire)VCC — 3.3V-5V voltage
GND — GND
DO — Digital output interface (0 or 1)
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Thermistor Infrared Thermal Sensor Module
₦ 1,500This temperature detection module senses ambient temperature and produces a corresponding output. This module can be used in automatic temperature regulation projects
Features
- Operating Voltage 3.3V-5V
- NTC thermistor sensor
- Thermistor output drives up to 15mA directly
- Adjustable temperature sensitivity
- Analog output (AO pin)
- Digital output with adjustable threshold and LED indicator (DO pin)
- Mounting hole
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