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Driver for the PMSA003I partical concentration sensor

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pmsa003i lib comm.ex
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lib/comm.ex

defmodule PMSA003I.Comm do
alias Circuits.I2C
@spec discover([byte]) :: {binary, byte}
def discover(possible_addresses \\ [0x12]) do
I2C.discover_one!(possible_addresses)
end
def open(bus_name) do
{:ok, i2c} = I2C.open(bus_name)
i2c
end
end