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Arduino Uno R3

Arduino UNO in Bangladesh The Arduino Uno is a microcontroller board based on the ATmega328 (datasheet). It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz ceramic resonator, a USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller.

Price BDT 499
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EM4100 125kHz RFID Card

It is proximity ID card of 125KHz, EM4100. It has been specially manufactured and packaged to be clean from dust. And you can print any pictures on the PVC blank cards. You can use it with our RDM6300 RFID reader module.

Price BDT 18
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MQ-135 Gas Sensor
  • MQ-135 Gas Sensor

MQ-135 Gas Sensor

MQ-135 module is widely used in air quality control equipments for buildings/offices, are suitable for detecting of NH3,NOx, alcohol, Benzene, smoke,CO2 ,etc

BDT 194
rating Read the 2 reviews
Average rating: 5/5 - Number of reviews: 2
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Description

Overview

  • Sensitive to benzene, alcohol, smoke
  • Output voltage boosts along with the concentration of the measured gases increases
  • Fast response and recovery
  • Adjustable sensitivity
  • Signal output indicator

Specifications

  • Power: 2.5V ~ 5.0V
  • Dimension: 40.0mm * 21.0mm
  • Mounting holes size: 2.0mm

Applications

  • Air quality monitor

 

How to Use

In the case of working with a MCU:

  • VCC ↔ 2.5V ~ 5.0V
  • GND ↔ power supply ground
  • AOUT ↔ MCU.IO (analog output)
  • DOUT ↔ MCU.IO (digital output)

 

Product Details
19 Items

Click here to leave a review

MQ-135
rating
01/03/2020
Rony. Bangladesh Navy. Chittagong
Product is good
Satisfied
rating
06/08/2019
Badhon
Very good in performance
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