Project #15: Environment - Gas Sensor MQ3 - Mk30

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Crowtail - Gas Sensor MQ3

The module contains a MQ-3 Gas Sensor and ETA1036. High sensitivity to alcohol and small sensitivity to benzine with a stable and long worklife are most important reasons to choose the MQ-3. The ETA1036 is a high efficiency synchronous step-up converter that can provide up to 3W of power to a boosted output from a low voltage source. The start-up voltage requires only 0.85v and the efficiency up to 96%. The MQ-3 is useful for alcohol detecting.

Crowtail - LED Matrix 2.0 - (Red)

A 8x8 LED matrix has lots of applications when we DIY some electronic kit. So we this Crowtail- 8x8 LED Matrix use the HT16K33 which is a neat little chip that has the ability to drive a multiplexed 8x8 matrix. The I2C communication protocol uses only 2 pins, and you can have up to 8 selectable I2C addresses so that a total of 8 matrices, each one controlling 8x8 LEDs for 64 total LEDs.

DL2505Mk05

1 x Crowduino Uno - SD
1 x Crowtail - Base Shield
1 x Crowtail - I2C LCD
1 x Crowtail - Gas Sensor MQ3
1 x Crowtail - LED Matrix 2.0
1 x Crowtail - LED(Green)
1 x USB Battery Pack
1 x USB Mini-B Cable

Crowduino Uno - SD

SCL - A5
SDA - A4
MQ3 - A0
LED - 6
VIN - +5V
GND - GND

DL2505Mk05p

DL2505Mk05p.ino
getDisplay.ino
getEEPROM.ino
getMQ3.ino
setup.ino

People can contact us: http://www.donluc.com/?page_id=1927

Electronics, IoT, Teacher, Instructor, R&D and Consulting

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Luc Paquin – Curriculum Vitae - 2025
https://www.donluc.com/luc/

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