Update rpi4.nix

systems/rpi4-example.nix

@@ -0,0 +1,56 @@
+{ config, pkgs, lib, ... }:
+
+let
+  SSID = "Honeycutt-5G";
+  SSIDpassword = "Frappe92";
+  interface = "wlan0";
+  hostname = "NixOS";
+in {
+  imports = ["${fetchTarball "https://github.com/NixOS/nixos-hardware/archive/936e4649098d6a5e0762058cb7687be1b2d90550.tar.gz" }/raspberry-pi/4"];
+
+  fileSystems = {
+    "/" = {
+      device = "/dev/disk/by-label/NIXOS_SD";
+      fsType = "ext4";
+      options = [ "noatime" ];
+    };
+  };
+
+  networking = {
+     hostName = "NixOS"; 
+     networkmanager.enable = true;
+
+    wireless = {
+      enable = true;
+      networks."${SSID}".psk = SSIDpassword;
+      interfaces = [ interface ];
+    };
+  };
+
+  # Set your time zone.
+  time.timeZone = "America/Denver";
+
+  environment.systemPackages = with pkgs; [ vim ];
+
+  services.openssh.enable = true;
+
+  # Define user accounts
+    users.extraUsers.aaronh = {
+            description = "Aaron Honeycutt";
+            home = "/home/aaronh";
+            extraGroups = [ "wheel" "networkmanager" "adm"];
+            isNormalUser = true;
+            hashedPassword = "$6$aAcbLtqiqzySifls$jdKMOQjoWITHD/dWNNZVUH/qNc6aoJ7v4zYofi0U7IJSVTbmOfChS3mzaJbp57AodjdPNKPrnrip8Nlh2Qanx.";
+    };
+
+  # Enable GPU acceleration
+  hardware.raspberry-pi."4".fkms-3d.enable = true;
+
+  services.xserver = {
+    enable = true;
+    displayManager.lightdm.enable = true;
+    desktopManager.xfce.enable = true;
+  };
+
+  hardware.pulseaudio.enable = true;
+}