NoticeDifference between revisions of "MQ - 2 Gas Sensor Brick"
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==Electrical Characteristics== | ==Electrical Characteristics== | ||
| + | {| class="wikitable" | ||
| + | |- | ||
| + | | align="center" style="background:#f0f0f0;"|'''Parameter''' | ||
| + | | align="center" style="background:#f0f0f0;"|'''Min.''' | ||
| + | | align="center" style="background:#f0f0f0;"|'''Typical''' | ||
| + | | align="center" style="background:#f0f0f0;"|'''Max.''' | ||
| + | | align="center" style="background:#f0f0f0;"|'''Unit''' | ||
| + | |- | ||
| + | | Working voltage||4.5||5||5.5||VDC | ||
| + | |- | ||
| + | | Analog output voltage（VCC=5V）||0||-||5||V | ||
| + | |- | ||
| + | | Working current（VCC=5V）||-||122||-||mA | ||
| + | |} | ||
==Demo== | ==Demo== | ||
Revision as of 07:12, 27 May 2014
Contents
Overview
The electronic brick of gas sensor can be used in fire protection systems to detect hydrogen, isobutane, liquefied petroleum gas, methane, carbon monoxide, alcohol, smoke, propane and other harmful gases.
Features
1. Plug and play, easy to use. Compatible with the mainstream 2.54 interfaces and 4-Pin Grove interfaces in the market.
2. With use of M4 standard fixed holes, compatible with M4-standard kits such as Lego and Makeblock.
Specifications
| PCB size | 33.0mm X 14.0mm X 1.6mm |
| Working voltage | 5V DC |
| Operating voltage | 5V DC |
| Compatible interfaces | 2.54 3-pin interface and 4-pin Grove interface(1) |
Note 1: S for analog output port, V and G for voltage at the common collector and ground respectively
Electrical Characteristics
| Parameter | Min. | Typical | Max. | Unit |
| Working voltage | 4.5 | 5 | 5.5 | VDC |
| Analog output voltage（VCC=5V） | 0 | - | 5 | V |
| Working current（VCC=5V） | - | 122 | - | mA |
