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Have a simple app which uses GPIO 12 as `input` connected to an open-drain output on a DS3231 RTC.
Have tried setting **`:pull_mode`** in the **`GPIO.open`** options according to the documentation
b…
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I'm trying to build firmware with Nerves and Picam, but so far I haven't been able to, due to an error that I cannot quite understand.
I'm trying to build formware for a "Raspberry Pi Zero W", whic…
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There were troubles in the field with the 7.0.2 and 7.0.3 Releases.
[This post in FarmBot Forum](https://forum.farmbot.org/t/farmbot-offline-logs-show-cyclical-pattern/4843/32) shows this bug in acti…
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Below is my environment for elixir and nerves
Elixir version (Elixir 1.8.1 (compiled with Erlang/OTP 21)):
Nerves environment: (`|nerves_bootstrap| Environment Package List
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I think there is a slight mismatch in naming for the `:pull_mode` options in `open/3` and `set_pull_mode`.
I.e. the option is `:pull_mode` which is snake case, but the supported atoms are `:pulldow…
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Disclaimer: Code links are merely for my own reference and other less-familiar readers, and are by no means meant to imply that the maintainer does not know the contents of their own codebase. 😄
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This appears to be a [known issue](https://github.com/elixir-circuits/circuits_gpio/pull/36) with `Circuits.GPIO` and I ran into it with `Circuits.SPI`.
When using Nerves 1.4 with Elixir 1.8 I am u…
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I'm opening this issue to discuss what the direction of this library is intended to be. First off, it's awesome having a GPIO library in Elixir that works nicely on a Raspberry Pi. Now Python and C do…
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With all the new [`elixir-circuits`](https://github.com/elixir-circuits) work going on for GPIO, I2c, and SPI, would it make sense to move `nerves_uart` to that umbrella instead as `circuits_uart`?
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I setup a brand new project on my Raspberry Pi 3 B. I fired-up `iex -S mix` and tried:
```
iex> Circuits.GPIO.open(26, :input)
{:error, :access_denied}
```
Strange. So I tried the same thing …