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Infrared is emitted at a certain frequency
Adjustable output voltage
7 momentary push buttons ( two-axis analog joystick+ 4 big buttons + 2 small buttons + joystick select button ) gives your Arduino functionality on the level of old Nintendo controllers
storage registers or where ever a small memory is required
LPG Gas Sensor MQ6 (Analog/Digital) 7905 128x64 resolutionThe MQ 6 Gas sensor can detect or measure gases like LPG, methane and butane. The MQ 6 sensor module comes with a Digital Pin which makes this sensor to operate even without a microcontroller and that comes in handy when you are only trying to detect one particular gas. When it comes to measuring the gas in ppm the analog pin has to be used, the analog pin also TTL driven and works on 5V and hence can be used with most common microcontrollers. So if
