https://github.com/dkuku/tm1638

nerves driver for tm1638 led controller
https://github.com/dkuku/tm1638

Last synced: about 2 months ago
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nerves driver for tm1638 led controller

• Host: GitHub
• URL: https://github.com/dkuku/tm1638
• Owner: dkuku
• Created: 2022-07-26T22:00:41.000Z (over 2 years ago)
• Default Branch: master
• Last Pushed: 2022-07-26T22:12:23.000Z (over 2 years ago)
• Last Synced: 2024-04-24T02:40:36.310Z (8 months ago)
• Language: Elixir
• Size: 6.84 KB
• Stars: 0
• Watchers: 2
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# TM1638 library for elixir/nerves

## Installation

If [available in Hex](https://hex.pm/docs/publish), the package can be installed

by adding `tm1638` to your list of dependencies in `mix.exs`:

```elixir

def deps do

  [

    {:tm1638, "~> 0.1.0"}

  ]

end

```

## 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

### 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

```

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

```

TM1638.init()

|> elem(1)

|> TM1638.clear_display()

|> TM1638.display_moving_text("elixir is fun")

|> TM1638.clear_display()

```