View Source TM1638 library for elixir/nerves
installation
Installation
If available in Hex, the package can be installed
by adding tm1638
to your list of dependencies in mix.exs
:
def deps do
[
{:tm1638, "~> 0.1.0"}
]
end
configration
Configration
config :tm1638,
stb: 22,
clk: 24,
dio: 23,
brightness: 3
or in livebook
Application.put_env(:tm1638, :stb, 22)
Application.put_env(:tm1638, :clk, 24)
Application.put_env(:tm1638, :dio, 23)
Application.put_env(:tm1638, :brightness, 3)
examples
Examples
iterate-over-all-8-leds
iterate over all 8 leds
{:ok, tm} = TM1638.init()
TM1638.clear_display(tm)
Enum.each(1..255, fn x ->
TM1638.leds(tm, x)
Process.sleep(10)
end)
TM1638.clear_display(tm)
read-buttons-every-100-ms
read buttons every 100 ms
defmodule GetData do
def get() do
{:ok, tm} = TM1638.init()
TM1638.get_data(tm)
end
end
Enum.each(1..100, fn _ ->
:timer.tc(GetData, :get, [])
|> IO.inspect
Process.sleep(100)
end)
display-moving-text
display moving text
TM1638.init()
|> elem(1)
|> TM1638.clear_display()
|> TM1638.display_moving_text("elixir is fun")
|> TM1638.clear_display()