diff --git a/README.org b/README.org
index 5fc923b..f06eff3 100644
--- a/README.org
+++ b/README.org
@@ -394,10 +394,6 @@ This is a basic default configuration that specified the indended default config
 { config, pkgs, inputs, ... }:
 
 {
-  boot.loader.grub.enable = true;
-  boot.loader.grub.version = 2;
-  boot.loader.grub.device = "/dev/sda";
-
   time.timeZone = "America/Toronto";
 
   networking.hostName = "nixos";
@@ -435,6 +431,10 @@ The file system for this host is a single 24GB QCOW file, a format for disk imag
   boot.kernelModules = [ ];
   boot.extraModulePackages = [ ];
 
+  boot.loader.grub.enable = true;
+  boot.loader.grub.version = 2;
+  boot.loader.grub.device = "/dev/sda";
+
   fileSystems."/" =
     { device = "/dev/disk/by-uuid/fddc37ff-a442-41fa-afc4-abf878be7c5a";
       fsType = "ext4";
@@ -508,9 +508,6 @@ This configuration is nearly identical to the default, except for a few key diff
 { config, pkgs, inputs, ... }:
 
 {
-  boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
-
   time.timeZone = "America/Toronto";
 
   networking.hostName = "acernitro";
@@ -523,6 +520,7 @@ This configuration is nearly identical to the default, except for a few key diff
 
   <<host-config-wifi>>
 
+  services.xserver.dpi = 96;
   services.openssh.enable = true;
   services.printing.enable = true;
 
@@ -532,8 +530,8 @@ This configuration is nearly identical to the default, except for a few key diff
 
   users.users.chris = {
     shell = pkgs.fish;
-    isNormalUser = true;
-    extraGroups = [ "wheel" ];
+    isnormaluser = true;
+    extragroups = [ "wheel" ];
   };
 }
 #+END_SRC
@@ -558,12 +556,13 @@ This configuration is nearly identical to the default, except for a few key diff
   boot.kernelModules = [ "kvm-intel" ];
   boot.extraModulePackages = [ ];
 
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+
   sound.enable = true;
   hardware.pulseaudio.enable = true;
   hardware.pulseaudio.support32Bit = true;
 
-  services.xserver.dpi = 96;
-
   fileSystems."/" =
     { device = "/dev/disk/by-uuid/2f548eb9-47ce-4280-950f-9c6d1d162852";
       fsType = "ext4"; 
@@ -690,19 +689,82 @@ Deploy this configuration with ~sudo nixos-rebuild switch --flake /etc/dotfiles/
 }
 #+END_SRC
 
-*** TODO Configuration
+*** Configuration
 
 #+BEGIN_SRC nix :noweb yes :tangle hosts/raspberry/configuration.nix
 # <<file-warning>>
-{ # TODO
+{ config, pkgs, ... }:
+
+{
+  networking.hostName = "raspberry";
+  networking.firewall.enable = false;
+  networking.wireless.enable = true;
+  networking.wireless.userControlled.enable = true;
+
+  <<host-wifi-config>>
+
+  environment.systemPackages = [
+    pkgs.libraspberrypi
+    pkgs.raspberrypi-eeprom
+  ];
+
+  programs.fish.enable = true;
+  programs.gnupg.agent.enable = true;
+
+  users.users.chris = {
+    shell = pkgs.fish;
+    isnormaluser = true;
+    extragroups = [ "wheel" ];
+  };
 }
 #+END_SRC
 
-*** TODO Hardware
+*** Hardware
 
 #+BEGIN_SRC nix :noweb yes :tangle hosts/raspberry/hardware.nix
 # <<file-warning>>
-{ # TODO
+{ config, pkgs, lib, inputs, ... }:
+
+{
+  imports = [
+    inputs.nixos-hardware.nixosModules.raspberry-pi.4
+  ];
+
+  boot.kernelPackages = pkgs.linuxPackages_rpi4;
+  boot.tmpOnTmpfs = true;
+  boot.initrd.availableKernelModules = [ "usbhid" "usb_storage" ];
+  boot.kernelParams = [
+    "8250.nr_uarts=1"
+    "console=ttyAMA0,115200"
+    "console=tty1"
+    "cma=128M"
+  ];
+
+  boot.loader.grub.enable = false;
+  boot.loader.generic-extlinux-compatible.enable = true;
+  boot.loader.raspberryPi = {
+    enable = true;
+    version = 4;
+    firmwareConfig = ''
+      dtparam=sd_poll_once=on
+      dtparam=audio=on
+    '';
+  };
+
+  sound.enable = true;
+  hardware.pulseaudio.enable = true;
+  hardware.enableRedistributableFirmware = true;
+  hardware.raspberry-pi."4".fkms-3d.enable = true;
+
+  fileSystems = {
+    "/" = {
+      device = "/dev/disk/by-label/NIXOS_SD";
+      fsType = "ext4";
+      options = [ "noatime" ];
+    };
+  };
+
+  powerManagement.cpuFreqGovernor = "ondemand";
 }
 #+END_SRC