Gravity: Electrochemical Oxygen / O2 Sensor (0-25%Vol, I2C) Shipping:1 day the only parts not included

the only parts not included are two AAA batteries

The IR command is compatible with most popular DSLR makes and models

* [915MHz 1/2 Wave RP-SMA Antenna Datasheet](https://cdn

An added bonus is that our DFRduino is still using the DIP package AVR Chip

simply read the serial output of the coin acceptor and it will tell you the value of each coin as they\'re inserted

Gravity: Electrochemical Oxygen / O2 Sensor (0-25%Vol, I2C) Shipping:1 day the only parts not includedThis Oxygen O2 Sensor is based on electrochemical principles and it can measure the ambient O2 concentration accurately and conveniently. With high anti interference ability, high stability and high sensitivity, this arduino compatible oxygen O2 sensor can be widely applied to fields like portable device, air quality monitoring device, and industries, mines, warehouses and other spaces where air is not easy to circulate. This compact dfrobot oxygen O2