diff --git a/dotfiles/home-manager/laptop/home.nix b/dotfiles/home-manager/laptop/home.nix
index 9247bc22..73bc3c54 100644
--- a/dotfiles/home-manager/laptop/home.nix
+++ b/dotfiles/home-manager/laptop/home.nix
@@ -25,6 +25,7 @@
   home.packages = with pkgs; [
     git
     kdePackages.kdeconnect-kde
+    nix-prefetch
   ];
   programs.home-manager = {
     enable = true;
diff --git a/projects/nix-ecutuner/99-j2534.rules b/projects/nix-ecutuner/99-j2534.rules
new file mode 100644
index 00000000..21069e11
--- /dev/null
+++ b/projects/nix-ecutuner/99-j2534.rules
@@ -0,0 +1 @@
+SUBSYSTEM=="usb", ATTRS{idVendor}=="0403", ATTR{idProduct}=="cc4d", GROUP="dialout", MODE="0666"
\ No newline at end of file
diff --git a/projects/nix-ecuflash/README.md b/projects/nix-ecutuner/README.md
similarity index 100%
rename from projects/nix-ecuflash/README.md
rename to projects/nix-ecutuner/README.md
diff --git a/projects/nix-ecuflash/ecuflash.nix b/projects/nix-ecutuner/ecuflash.nix
similarity index 100%
rename from projects/nix-ecuflash/ecuflash.nix
rename to projects/nix-ecutuner/ecuflash.nix
diff --git a/projects/nix-ecuflash/flake.lock b/projects/nix-ecutuner/flake.lock
similarity index 100%
rename from projects/nix-ecuflash/flake.lock
rename to projects/nix-ecutuner/flake.lock
diff --git a/projects/nix-ecuflash/flake.nix b/projects/nix-ecutuner/flake.nix
similarity index 57%
rename from projects/nix-ecuflash/flake.nix
rename to projects/nix-ecutuner/flake.nix
index 916574d4..63e9c24e 100644
--- a/projects/nix-ecuflash/flake.nix
+++ b/projects/nix-ecutuner/flake.nix
@@ -1,21 +1,20 @@
 {
-  description = "A Nix flake for EcuFlash";
+  description = "A Nix flake with tools for working with ECUs";
 
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.05";
-    erosanix.url = "github:emmanuelrosa/erosanix";
   };
-  outputs = { self, nixpkgs, erosanix }: {
+  outputs = { self, nixpkgs }: {
     packages.x86_64-linux = let
       pkgs = import "${nixpkgs}" {
         system = "x86_64-linux";
       };
-    in with (pkgs // erosanix.packages.x86_64-linux // erosanix.lib.x86_64-linux); {
+    in with pkgs; {
       default = self.packages.x86_64-linux.ecuflash;
-
-      ecuflash = callPackage ./ecuflash.nix {
-        inherit mkWindowsAppNoCC;
-        wine = wineWowPackages.full;
+      j2534 = callPackage ./j2534.nix {
+        inherit libusb1 pkg-config;
+        inherit fetchFromGitHub;
+        inherit stdenv;
       };
     };
 
diff --git a/projects/nix-ecutuner/j2534.nix b/projects/nix-ecutuner/j2534.nix
new file mode 100644
index 00000000..8503d40a
--- /dev/null
+++ b/projects/nix-ecutuner/j2534.nix
@@ -0,0 +1,21 @@
+{ stdenv, fetchFromGitHub, libusb1, pkg-config }: 
+stdenv.mkDerivation rec {
+  pname = "j2534";
+  version = "678252b";
+  src = fetchFromGitHub {
+    owner = "dschultzca";
+    repo = "j2534";
+    rev = "678252bbd0492f48df5e2d94e89cb5485b76d02f";
+    sha256 = "sha256-V76NtilaKjiT203lX8J0xGG1AZzdZK8Y66hynlQtqW0=";
+  };
+  dontDisableStatic = true;
+  buildInputs = [ libusb1 pkg-config ];
+  buildPhase = {
+    makefile = "j2534/makefile";
+  };
+  installPhase = ''
+    mkdir -p $out/lib
+    cp j2534.so $out/lib/${pname}.so
+    install -D ${./99-j2534.rules} $out/lib/udev/rules.d/99-j2534.rules
+  '';
+}
\ No newline at end of file