pallala1806 0 Posted September 28, 2014 Share Posted September 28, 2014 Hi All, I am trying to connect MQ-6 LPG Gas sensor to MSP430G2553 launchpad. I am having trouble to interface the sensor to launchpad. From the inernet forums i understood that we can use launchpad TP1/TP3 pins for 5v supply but i am still not clear about the other pins. Can someone help me on the connections and wiring? MQ 6 sensor: https://www.fabtolab.com/MQ6-LPG-propane-butane-sensor Thanks in advance. Quote Link to post Share on other sites
cubeberg 540 Posted September 28, 2014 Share Posted September 28, 2014 It's a 5v sensor, so you're going to have to do something about the 5v output. A voltage divide might work. It looks like you're going to need a resistor. There is some good information at Sparkfun: https://www.sparkfun.com/products/8891 (breakout board) https://www.sparkfun.com/datasheets/Sensors/Biometric/MQ-6.pdf (datasheet) Quote Link to post Share on other sites
pallala1806 0 Posted September 28, 2014 Author Share Posted September 28, 2014 @cubederg, thanks for the reply. The wiring example mentioned in the sparkfun is for different sensor. I am looking info for the following product: https://www.sparkfun.com/products/9405 The sensor has 6 pins and there are no markings on them Quote Link to post Share on other sites
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