various: update

system/hosts/argon.nix

@@ -37,6 +37,7 @@ in
     ../nixos/uptime-kuma.nix
 
     ../nixos/weewx-proxy.nix
+    ../nixos/temper.nix
 
     ../nixos/container.nix
   ];

system/nixos/temper.nix

@@ -0,0 +1,24 @@
+{ pkgs, ... }:
+
+{
+  systemd.services.temper-to-home-assistant =
+    let
+      script = pkgs.writeScriptBin "temper-to-ha-mqtt" ''
+        #! ${pkgs.runtimeShell} -e
+        
+        temp=$(${pkgs.python312Packages.temperusb}/bin/temper-poll -c -s 0)
+        ${pkgs.mosquitto}/bin/mosquitto_pub -h 10.0.0.230 -m "$temp" -t hadata/temper/serverraum -u mqtt_bridge -P verySecurePassword
+      '';
+    in
+    {
+      description = "Send current temperature reading to HA using MQTT";
+      wants = [ "network-online.target" ];
+      after = [ "network-online.target" ];
+      startAt = "*-*-* *:*:00";
+
+      serviceConfig = {
+        Type = "oneshot";
+        ExecStart = "${script}/bin/temper-to-ha-mqtt";
+      };
+    };
+}