diff --git a/openwrt-add-gps.sh b/openwrt-add-gps.sh
old mode 100644
new mode 100755
diff --git a/openwrt-add-temper.sh b/openwrt-add-temper.sh
old mode 100644
new mode 100755
diff --git a/openwrt-hp-250-g5-add-wifi.sh b/openwrt-hp-250-g5-add-wifi.sh
new file mode 100755
index 0000000..adb58fb
--- /dev/null
+++ b/openwrt-hp-250-g5-add-wifi.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+if [ $# -lt 1 ]; then
+    echo "$0 ip-address"
+    echo "    ip-address: where to find the device"
+    exit 1
+fi
+
+
+openwrt_ip=$1; shift
+
+ping -c3 ${openwrt_ip}
+if [ $? -ne 0 ]; then
+    echo "Cannot reach ${openwrt_ip}, aborting"
+    exit 1
+fi
+
+cat <<EOF | ssh -t "root@${openwrt_ip}"
+    opkg update
+    opkg install kmod-iwlwifi iwlwifi-firmware-iwl7265d
+EOF