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MQ-7 CO Carbon Monoxide Coal Gas Sensor Module detects the concentrations of CO in the air and outputs its reading as an analog voltage. The sensor can measure concentrations of 10 to 10,000 ppm. RoboticsBD
The sensor can operate at temperatures from -10 to 50°C and consumes less than 150 mA at 5 V.
This module provides both digital and analog outputs. The threshold level for digital output can be easily adjusted using the preset on the board. The MQ-7 sensor module can be easily interfaced with Micro-controllers, Arduino and etc. RoboticsBD
Temperature: 20°C ± 2°C
Humidity: 65% ± 5% RH
Standard Test Circuit: Vc: 5.0V ± 0.1V; Vh(high):5.0V±0.1V
Vh(low): 1.5V±0.1V
| General Specification | |
| Operating voltage (v) | DC 5 |
| Range | 10 ~ 1000 ppm |
| Characteristic gas | 100 ppm CO |
| Sensitivity | ≥ 3%. |
| Return time | ≤ 30 sec |
| Heating resistance | ± 31 Ω |
| Heating current | ≤ 180 mA |
| Heating voltage | 5.0V ± 2V / 1.5 ± 1V |
| Heating power | approx. 350 mW |
| Ambient temperature (°C) | -20 ~ + 50 |
| Humidity | ≤ 95% RH |
| Oxygen content | 21%. |
| Length (mm) | 35 |
| Width (mm) | 20 |
| Height (mm) | 11 |
| Weight (gm) | 20 |
| Shipment Weight | 0.01 kg |
| Shipment Dimensions | 4 × 4 × 4 cm |
1 x MQ-7 Carbon Monoxide Gas Sensor
The latest price of MQ-7 Carbon Monoxide Gas Sensor in Bangladesh is BDT 178 You can buy the MQ-7 Carbon Monoxide Gas Sensor at best price from our RoboticsBD or visit RoboticsBD Office.
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Please note that the product information provided on our website may not be entirely accurate as it is collected from various sources on the web. While we strive to provide the most up-to-date information possible, we cannot guarantee its accuracy. We recommend that you always read the product labels, warnings, and directions before using any product. |
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Product Images are shown for illustrative purposes only and may differ from the actual product. |
Reference: RBD-0094
Arduino UNO in Bangladesh Micro-controller : ATmega328. Operating Voltage : 5V. Input Voltage (recommended) : 7-12V. Digital I/O Pins : 14 (of which 6 provide PWM output). Analog Input Pins : 6.
Reference: RBD-0661
For Standard LCD 16x2 with Male Header. Press here For Standard LCD 16x2 with Female Header. Press here For Standard LCD 16x2 with I2C adapter board soldered. Press here. For Standard LCD 16x2 with White Background. Press here. For Standard LCD 16x2 with Blue Background. Press here.
Reference: RBD-0671
Operating Voltage:+5V Preheat Duration:20 s Analog Output Voltage:0 to 5 V Dimension:36x20x21 mm. RoboticsBD
Reference: RBD-0672
Power requirements: 5 VDC @ ~165 mA (heater on) / ~60 mA (heater off). Current Consumption: 150mA. RoboticsBD DO output: 0.1 and 5V. AO output: 0.1- 0.3 V (relative to pollution), the maximum concentration of a voltage of about 4V Detecting Concentration: 0.05-10mg/L Alcohol.
Reference: RBD-0673
Detecting range: 300~10000ppm Signal output indicator. Dual Signal output (analog output and TTL output). The TTL output signal is low level, allows us to connect with SCM directly. Analog output 0~5V voltage. Quick response and recovery. RoboticsBD
Reference: RBD-0674
Model: MQ-5 Operating Voltage: 5V DC Operating Temparature:-20~40 degree celcius
Reference: RBD-0675
Model: MQ-6 Operating Voltage: 5V DC Detecting Range:200-10000 ppm Relative Humidity:<95% RH
Reference: RBD-0677
Using high-quality dual-panel design, with power indicator and TTL signal output instructions. The switching signal having a DO (TTL) output and analog output AO. TTL output valid signal is low. The higher the voltage, the concentration of the analog output voltage is higher. A hydrogen gas detection with good sensitivity. Has a long life and reliable...
Reference: RBD-0678
Good sensitivity to CO/Combustible Gas High sensitivity to Methane, Propane, and CO Long life and low cost Simple drive circuit Input voltage: DC 5±0.2V Current Consumption: 150mA
Reference: RBD-0679
Sensitivity to Ammonia, Sulfide and Benzene steam Sensitive for benzene, alcohol, smoke Fast response and recovery Adjustable sensitivity. RoboticsBD Signal output indicator Output voltage boosts along with the concentration of the measured gases increases.
Reference: RBD-2076
Operating Voltage:2.0v ~ 2.5v Current:10mA Diameter:5mm Color: Red + Green Beam Angle:150
Reference: RBD-1365
Central point temperature measurement high/low temperature auto tracking real-time temperature display Alarm buzzer: >37.2ºC: high temperature audible alarm
Reference: RBD-0686
Supply voltage 5-30VDC Detection distance 10mm (effective detection distance 0-10mm) Load current 150MA (no more than) Output form NPN three lines
Reference: RBD-0357
Operating voltage (VCC): 3 V to 5V Operating current: 120μA (typical) 190μA (max) Operating Temperature: -40°C ~ +85°C Photodiode sensitive to UV-A and UV-B Embedded operational amplifier Analog voltage output Low supply current (300uA type) and low standby current (0.1uA type) RoboticsBD
Reference: RBD-2236
Plate Diameter: 20mm Element Diameter: 14mm Plate Thickness: .42mm Lead Length: ~50mm Plate Material: Brass Resonant Frequency (kHz): 6.3 +/- .6kHz
Reference: RBD-1208
Working Voltage: 5V DC Operating Temperature: -30ºc ~ 85ºc Output high level when received the laser signal Output low level when not receive laser signal. Application: Electronic Circuits
Reference: RBD-0397
Support CAN V2.0B technical standard, communication rate 1Mb / S. Module 5V DC power supply, SPI interface protocol control 0 to 8 bytes long data field. 8MHZ crystal oscillator 120Ω terminal resistance Use High-speed CAN transceiver TJA1050 Impedance matching, guaranteed drive capability, long-distance data transmission, prevent signal radiation The...
Reference: RBD-0430
Operating voltage: 4.5V to 5.0 V Output format: 8 Analog and Digital voltages. Optimal sensing distance: 0.125″ (3 mm). RoboticsBD
Reference: RBD-2087
Voltage 5V Photo interruption module triggers a signal when light is blocked between the opening of the sensor.
Reference: RBD-0415
Has a signal output instruction When the output valid signal is high, the light goes out The sensitivity is adjustable (fine-tuning) The wide detection range of vibration, no direction With mounting holes, firmware installation is flexible and convenient. RoboticsBD
Reference: RBD-1645
Voltage operation: 2.7V-5V Measuring distance: 4 to 50 cm Output: Digital (I/C) / Analog Output Sensor: Infrared LED and CMOS image sensor
Reference: RBD-2077
Operating Voltage:2.0v ~ 2.5v Current:10mA Diameter:3mm Wavelength:571nm + 644nm Beam Angle:150
Reference: RBD-2248
Model: LDT0-028K Solder tab connection Withstands high impact
Reference: RBD-2229
Piezoelectric Sensor, Two Optional Output: ADO-Analog Signal/DO-TTL Level Ceramic Vibration Sensor Module, DC 5V Sensitivity Adjustable Vibration Induction Switch Module for Arduino DIY
Reference: RBD-1022
Main chip: LM393, Electret condenser microphone Working voltage: DC 3.3-5V Induction distance is 0.5M Signal output Indication Single channel signal output The output effective signal is low level.
Reference: RBD-2089
Consists of a mercury switch 680Ω resistor LED that will light up when tilt is detected.
Reference: RBD-0948
Built-in Flash: 32Mbit Power supply: 5V WiFi protocol: IEEE 802.11 b/g/n Peripheral interface: UART/GPIO/ADC/DAC/SDIO/PWM/I2C/I2S Logic level: 3.3V
Reference: RBD-0023
Wide Working Voltage Range: DC 4.5V- 20V Current Drain: <60uA Detection Angle: <140° Detection Distance: 3 to 7m (can be adjusted) Blockade time: 2.5s (Default) Work temperature: -20-+80°C
Reference: RBD-2082
Dimension: 2.5 x 1.5 x 1.5 cm. Receiving angle: 90 °. Working voltage: 2.7 ~ 5.5V. Frequency: 37.9KHz Receiving range: 18m. Weight: 4 gm.
Reference: RBD-2071
Type: Magnetic Sensor Module Mainly Compatible with: Ardunio
Reference: RBD-1179
Temperature measuring range: 0...100°C Typical Input Voltage:3.3VDC,5VDC Operating Current:60uA Interface: Analog
Reference: RBD-2210
Specification:Item Type: Photoelectric Switch SensorBrand: BERMModel: E3F-DS30C4Power Supply Voltage: DC10-30VWorking Current: 200mAInduction Distance: 5-30cm (unit: cm)Response Time: 1msPower Cord Length: 1.2 metersOutput Form: DC three-wire normally open NPN NODetection Object: Transparent / opaque objectWorking Environment Temperature: -25- +75Cable...
Reference: RBD-0156
Operating Voltage: 3V-5V High-resolution conversion of light intensity to frequency. Chip pins all has drawn for standard 100. Put the needle (2.54 mm). Mil-convenient for bitmap board. Programmable color and full-scale output frequency. Communicate directly with a microcontroller. Low-profile surface mount package.
Reference: RBD-0823
LDR module 4 PIN Operating voltage 3.3V-5V Signal output indicator light. LDR module 4 PIN Able to detect ambient brightness and light intensity Adjustable sensitivity (via blue digital potentiometer adjustment)
Reference: RBD-0693
Operating Voltage: 3-5.5V Supply Current: ≥ 20mA Optimal Sensing Distance: 3mm Working voltage of 5V, the output of the black line low, white line of high output Uses Infrared Light to Detect Anti-Interference Ability Sensors to adopt TCRT5000 High Sensitivity, Stable Performance Exquisite workmanship, with the indicator Has a fixed bolt hole for easy...
Reference: RBD-2170
Visualize magnetic fields with this large, micro-encapsulated film known as field paper. This material allows the user to see the magnetic field produced by any magnet.
Reference: RBD-0685
Detection distance: 2 ~ 30cm Detection angle: 35 ° Comparator chip: LM393 3mm screw holes for easy mounting
Reference: RBD-0150
Output Power: 5mW Working Voltage: 3-3.3V DC Working temperature: -10 ℃~＋40 ℃ Housing material: Copper Working life: more than 2000 hours Spot mode: Dot Facula (continuous output) Laser wavelength: 650nm red-colored. Operating current: <40mA Power lead length: 120mm. 5V could damage the laser
Reference: RBD-419
Features: Built-in Red, IR, and Green LEDs 5V operation (3.3V is allowed, but green LED is not guaranteed to operate) Applications include presence detection, distance sensing (18" max), pulse oximetry, blood oxygen saturation level (SpO2), smoke and particle detection Documents: Schematic Eagle Files Hookup Guide Datasheet (MAX30105) MAX3010x Sensor...
Reference: RBD-1946
Comes with the BME280 sensor. Pressure accuracy of ±1 hPa. Temperature accuracy ±1.0°C. Altimeter accuracy ±1 meter. Humidity: +-3%
Reference: RBD-1738
Operating Voltage : 1.5 ~ 15V DC Working Current: Less than 25mA Tone Generation Range : 1.5 ~ 2.5kHz Dimensions (LxWxH): 26 x 15 x 11 mm
Reference: RBD-0133
830 Solder-less Points Ideal for Experimenting With Circuit Design In Labs Compatible with resistance, diodes, transistors, LED’s, Capacitors and other types of electronic components Colored coordinates for easy components placement. Accept a variety of wire sizes 20-29 AWG
Reference: RBD-0931
Weight : 190 gm Voltage: 11.1V Capacity: 3300mAh Cell Type: Li-polymer Configurations: 3S Continuous Discharge Rate: 25C Max Burst Rate: 90C Discharge(Output) Lead: T Plug Connector Charging(Balancing) Lead: JST-XHR Wire Length: 100mm Operating Temperature Range: -20℃to 60℃ PVC color: Silver and Black
Reference: RBD-0674
Model: MQ-5 Operating Voltage: 5V DC Operating Temparature:-20~40 degree celcius
Reference: RBD-1603
USB-TTL converter. Logic Level: 5V. Operating Supply Voltage: 5V. Digital I/O Pins: 14. Analog I/O Pins: 6.
Reference: RBD-1579
Laser Output Type: Red LINE Laser Weight: 15 gm. Wavelength: 650nm Voltage: 3~6V Output Power: Min 2.5mW, Typical 3.0mW, Max 5.0mW Working current: Min 10mA, Typical 20mA, Max 25mA Working voltage: Min 2.3VDC, Typical 4.5VDC, Max 8.0VDC
Reference: 0031
3 Types Available (Please select from option) 1. Male to Male 2. Male to Female 3. Female-Female
Reference: RBD-0675
Model: MQ-6 Operating Voltage: 5V DC Detecting Range:200-10000 ppm Relative Humidity:<95% RH
Reference: RBD-0671
Operating Voltage:+5V Preheat Duration:20 s Analog Output Voltage:0 to 5 V Dimension:36x20x21 mm. RoboticsBD
Reference: RBD-0679
Sensitivity to Ammonia, Sulfide and Benzene steam Sensitive for benzene, alcohol, smoke Fast response and recovery Adjustable sensitivity. RoboticsBD Signal output indicator Output voltage boosts along with the concentration of the measured gases increases.
Reference: 0031
3 Types Available (Please select from option) 1. Male to Male 2. Male to Female 3. Female-Female
Reference: 0245
Choose your desire Resistor value from below:
Reference: RBD-0673
Detecting range: 300~10000ppm Signal output indicator. Dual Signal output (analog output and TTL output). The TTL output signal is low level, allows us to connect with SCM directly. Analog output 0~5V voltage. Quick response and recovery. RoboticsBD
Reference: RBD-0677
Using high-quality dual-panel design, with power indicator and TTL signal output instructions. The switching signal having a DO (TTL) output and analog output AO. TTL output valid signal is low. The higher the voltage, the concentration of the analog output voltage is higher. A hydrogen gas detection with good sensitivity. Has a long life and reliable...
Reference: RBD-0672
Power requirements: 5 VDC @ ~165 mA (heater on) / ~60 mA (heater off). Current Consumption: 150mA. RoboticsBD DO output: 0.1 and 5V. AO output: 0.1- 0.3 V (relative to pollution), the maximum concentration of a voltage of about 4V Detecting Concentration: 0.05-10mg/L Alcohol.
Reference: RBD-0094
Arduino UNO in Bangladesh Micro-controller : ATmega328. Operating Voltage : 5V. Input Voltage (recommended) : 7-12V. Digital I/O Pins : 14 (of which 6 provide PWM output). Analog Input Pins : 6.
Reference: RBD-0022
Affordable Price Operating Voltage: 5 V Sonar Sensing Range: 2-400 cm Max. Sensing Range: 450 cm Frequency: 40 kHz RoboticsBD
Reference: RBD-0023
Wide Working Voltage Range: DC 4.5V- 20V Current Drain: <60uA Detection Angle: <140° Detection Distance: 3 to 7m (can be adjusted) Blockade time: 2.5s (Default) Work temperature: -20-+80°C
Reference: RBD-0041
Bases at CSR BC04 Bluetooth technology. with build-in 2.4GHz PCB antenna It’s at the Bluetooth class 2 power level. Range test: 10 meters Operating voltage: 3.3V to 6V DC Operating current in pairing is in the range of 30~40mA.
Reference: RBD-0104
Chip built-in 16bit AD converter, 16-bit data output Driver Chip: MPU6050 Operating Voltage: 3-5V DC Communication: I2C/IIC Protocol Gyro Range: ± 250, 500, 1000, 2000 °/s Accelerometer Range: ± 2 ± 4 ± 8 ± 16 g
Reference: RBD-0132
The TCRT5000 and TCRT5000L are reflective sensors which include an infrared emitter and phototransistor in a leaded package which blocks visible light. The package includes two mounting clips. TCRT5000L is the long lead version. Model TCRT5000 Color Black + blue Detecting range: 0.591″ (15mm); Detecting method: Reflective; Collector-Emitter: Voltage:...
Reference: RBD-0145
Dual output mode, analog output more accurate A fixed bolt hole for easy installation With power indicator (red) and digital switching output indicator (green) Having LM393 comparator chip, stable. Operating Voltage: 3.3V~5V
Reference: RBD-0147
Adjustable Sensitivity, External GND. Detect Ambient Humidity. Provided with Fixed Bolt Hole, Convenient to Install. Power Indicator Light & Digital Output Indication Lamp. Using LM393 Chip for Stable Work. DO Small Digital Outputs Interface (0 & 1).
Reference: RBD-0149
Output Channel: 1 Power Supply: 3.3/5V Built in a potentiometer for sensitivity control. Onboard signal output indication, output effective signal is high, at the same time the indicator light up, the output signal can directly connect to microcontroller IO. Detection angle about 60 degrees, the flame spectrum especially sensitive. The flame of the most...
