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MQ-135 Air Quality/Pollution Sensor – Arduino Compatible
MQ-135 Air Quality/Pollution Sensor – Arduino Compatible
₦ 3,500
The 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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₦ 11,750This current transformer allows you to easily measure to current running through a wire without tampering with the setup, simply pass the wire through or open up and clip around the wire.
Can be used for any of the following applications: Measurment and protection circuits, AC motors, lighting, air compressors, remote monitoring, Energy meters,etc
Features:
- Measures up to 100A
- Core material: ferrite
- Non-linearity 3%(10%-120% rated input current)
- 1.5m leading wire, with 3.5mmplug standard output.
- Two form of output current, voltage (voltage output built-in the burden resistor).
- Opening size:13mmx13mm
- Safety indicators: Dielectric strength 6000V AC/1min
- Meet UL94-V0 flame retardant properties
- Operating Temperature: -25 C ~ +70 C
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Features
- Microcontroller ATmega2560
- Operating Voltage 5V
- Input Voltage (recommended) 7-12V
- Input Voltage (limits) 6-20V
- Digital I/O Pins 54 (of which 15 provide PWM output)
- Analog Input Pins 16
- DC Current per I/O Pin 40 mA
- DC Current for 3.3V Pin 50 mA
- Flash Memory 256 KB of which 8 KB used by bootloader
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- EEPROM 4 KB
- Clock Speed 16 MHz
- Resettable polyfuse that protects PC USB ports from shorts and overcurrent
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Pulse Sensor -Arduino Compatible
₦ 6,000This pulse sensor measure heart rate by simly being in contact with a finger or earlobe.
- 3-5V Operation
- Pulse Sensor Board
- Coded Cable with Standard Male Headers
For a tutorials and sample code, visit: //pulsesensor.com/pages/code-and-guide
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MQ-3 – Alcohol Gas Sensor – Arduino Compatible
₦ 4,000This sensor allows you to detect alcohol concentration levels. Use only one analog pin to microcontroller for detection
- 5V Operation
- Highly sensitive to alcohol
- Fast response time
Example Application: Breathalyzer,Alcohol concentration detector.
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₦ 4,500This OV7670 Camera allows image capabilities to be added to a microcontroller or Arduino with ease. It is capable of up to 640 X 480 pixel resolution and has a widely available library.
- Photosensitive array: 640X480
- IO Voltage: 2.5V to 3.0V (internal LDO for nuclear power 1.8V)
- Power operation: 60mW/15fpsVGAYUV
- Sleep: <20μA
- Temperature Operating: -30 ? to 70 ?
- Output Formats (8): YUV/YCbCr4: 2:2 RGB565/555/444 GRB4: 2:2 Raw RGB Data
- Optical size: 1/6 “
- FOV: 25 °
- Maximum Zhen rate: 30fps VGA
- Sensitivity: 1.3V / (Lux-sec)
- SNR: 46 dB
- Dynamic range: 52 dB
- View Mode: Progressive
- Electronic Exposure: 1 line to 510 line
- Pixel Size: 3.6μm x 3.6μm
- Dark current: 12 mV / s at 60 ?
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KY-031 Percussion Knock Sensor – Arduino Compatible
₦ 1,500This module is a knock sensor. It sends out signals which can be read with a microcontroller like Arduino. It is suitable for building projects like electronic drums, and sensing other kinds of vibration. It can be used in anti-theft projects and noise detection systems.
- Working voltage: 5V
- 3 Pinout: 5V, GND, Vout
- Size: 30*20mm
- Weight: 3g
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