This is the base Nerves System configuration for the Raspberry Pi A+, B, B+ and Zero. This is not the configuration for the Raspberry Pi 2 or 3.
If you have a Raspberry Pi Zero or Raspberry Pi Zero W, check out Tim Mecklem's Raspberry Pi Zero system and his example project. His projects have the USB port configured in OTG mode which is much more convenient for many people.
| Feature | Description |
|---|---|
| CPU | 700 MHz ARM1176JZF-S for A+, B, and B+, 1 GHz ARM1176JZF-S for the Zero |
| Memory | 256 MB for rev 1 boards, 512 MB for rev 2 and the Zero |
| Storage | MicroSD |
| Linux kernel | 4.4.50 w/ Raspberry Pi patches |
| IEx terminal | HDMI and USB keyboard (can be changed to UART) |
| GPIO, I2C, SPI | Yes - Elixir ALE |
| ADC | No |
| PWM | Yes, but no Elixir support |
| UART | 1 available - ttyAMA0 |
| Camera | Yes - via rpi-userland |
| Ethernet | Yes |
| WiFi | Requires USB WiFi dongle |
| Bluetooth | Not supported |
The base image includes drivers and firmware for Ralink RT53xx
(rt2800usb driver) and RealTek RTL8712U (r8712u driver) devices.
We are still working out which subset of all possible WiFi dongles to support in our images. At some point, we may have the option to support all dongles and selectively install modules at packaging time, but until then, these drivers and their associated firmware blobs add significantly to Nerves release images.
If you are unsure what driver your WiFi dongle requires, run Raspbian and configure WiFi
for your device. At a shell prompt, run lsmod to see which drivers are loaded.
Running dmesg may also give a clue. When using dmesg, reinsert the USB
dongle to generate new log messages if you don't see them.
If available in Hex, the package can be installed as:
-
Add nerves_system_rpi to your list of dependencies in
mix.exs:def deps do [{:nerves_system_rpi, "~> 0.11.0"}] end
-
Ensure nerves_system_rpi is started before your application:
def application do [applications: [:nerves_system_rpi]] end
Image credit: This image is from the Fritzing parts library.