diff --git a/docs/release-notes/rl-0.8.md b/docs/release-notes/rl-0.8.md
index e18c95fe..c384260e 100644
--- a/docs/release-notes/rl-0.8.md
+++ b/docs/release-notes/rl-0.8.md
@@ -386,9 +386,11 @@
 [poz](https://poz.pet):
 
 [everforest]: https://github.com/sainnhe/everforest
+[arduino-language-server]: https://github.com/arduino/arduino-language-server
 
 - Fix gitsigns null-ls issue.
 - Add [everforest] theme support.
+- Add Arduino support with [arduino-language-server].
 
 [Haskex](https://github.com/haskex):
 
diff --git a/modules/plugins/languages/arduino.nix b/modules/plugins/languages/arduino.nix
new file mode 100644
index 00000000..77e0b212
--- /dev/null
+++ b/modules/plugins/languages/arduino.nix
@@ -0,0 +1,90 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}: let
+  inherit (lib.options) mkEnableOption mkOption;
+  inherit (lib.meta) getExe getExe';
+  inherit (lib.modules) mkIf mkMerge;
+  inherit (lib.strings) concatMapStrings optionalString;
+  inherit (lib.types) listOf nullOr package str;
+  inherit (lib.nvim.types) mkGrammarOption;
+
+  cfg = config.vim.languages.arduino;
+in {
+  options.vim.languages.arduino = {
+    enable = mkEnableOption "Arduino support";
+
+    treesitter = {
+      enable = mkEnableOption "Arduino treesitter" // {default = config.vim.languages.enableTreesitter;};
+      package = mkGrammarOption pkgs "arduino";
+    };
+
+    lsp = {
+      enable = mkEnableOption "Arduino LSP support (arduino-language-server)" // {default = config.vim.lsp.enable;};
+
+      package = mkOption {
+        type = package;
+        default = pkgs.arduino-language-server;
+        description = "arduino-language-server package";
+      };
+
+      clangdPackage = mkOption {
+        type = package;
+        default = config.vim.languages.clang.lsp.package;
+        description = "clangd package";
+      };
+
+      arduinoCliPackage = mkOption {
+        type = package;
+        default = pkgs.arduino-cli;
+        description = "arduino-cli package";
+      };
+
+      configPath = mkOption {
+        type = str;
+        default = "$HOME/.arduino15/arduino-cli.yaml";
+        description = "Path to the arduino-cli config";
+      };
+
+      fqbn = mkOption {
+        type = nullOr str;
+        default = null;
+        description = "Fully Qualified Board Name";
+      };
+
+      extraArgs = mkOption {
+        type = listOf str;
+        default = [];
+        description = "Extra arguments passed to arduino-language-server";
+      };
+    };
+  };
+  config = mkIf cfg.enable (mkMerge [
+    (mkIf cfg.treesitter.enable {
+      vim.treesitter.enable = true;
+      vim.treesitter.grammars = [cfg.treesitter.package];
+    })
+
+    (mkIf cfg.lsp.enable {
+      vim.lsp.lspconfig.enable = true;
+      vim.lsp.lspconfig.sources.arduino-language-server = ''
+        lspconfig.arduino_language_server.setup {
+          capabilities = capabilities,
+          on_attach = default_on_attach,
+          cmd = {
+            "${getExe cfg.lsp.package}",
+            "-clangd", "${getExe' cfg.lsp.clangdPackage "clangd"}",
+            "-cli", "${getExe cfg.lsp.arduinoCliPackage}",
+            "-cli-config", "${cfg.lsp.configPath}"
+            ${optionalString (cfg.lsp.fqbn != null)
+          '', "-fqbn", "${cfg.lsp.fqbn}"''}
+            ${optionalString (cfg.lsp.extraArgs != [])
+          (concatMapStrings (arg: '', "${arg}"'') cfg.lsp.extraArgs)}
+          },
+        }
+      '';
+    })
+  ]);
+}
diff --git a/modules/plugins/languages/default.nix b/modules/plugins/languages/default.nix
index 961d7cc5..c3e5ef58 100644
--- a/modules/plugins/languages/default.nix
+++ b/modules/plugins/languages/default.nix
@@ -3,6 +3,7 @@
   inherit (lib.nvim.languages) mkEnable;
 in {
   imports = [
+    ./arduino.nix
     ./asm.nix
     ./astro.nix
     ./bash.nix