Adafruit PowerBoost 500 Shield Rechargeable 5V - 2078 excavator Its operating voltage is from

Its operating voltage is from 3

Product Sensor style Standout Gas Analog Smoke LPG CO Sensor MQ2 gas sensor with analog and digital output Current item Gas Sensor MQ5 Analog LPG For Arduino gas sensor with analog output analog output

this module is I2C interface

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50PPM stability so it's good even for high precision needs (USB timing

Adafruit PowerBoost 500 Shield Rechargeable 5V - 2078 excavator Its operating voltage is fromWhat's a project if it's trapped on your desk? Now you can take your Arduino anywhere you wish with the PowerBoost shield! This stackable shield goes onto your Arduino and provides a slim rechargeable power pack, with a built in battery charger as well as DC DC booster. Compatible with Arduino Uno, Duemilanove, Mega, Leonardo and Due basically any Arduino pinout shaped Arduino as only the GND and 5V pins are used. You can stack shields on top, or