diff --git a/php/status-update.php b/php/status-update.php
index 7e0a334..ca7c877 100644
--- a/php/status-update.php
+++ b/php/status-update.php
@@ -14,7 +14,7 @@
 
 $verify = mt_rand();
 
-$pub = file_get_contents("public$id.pub");
+$pub = file_get_contents("public$id.pem");
 if ($pub === false) die("No public key found for door $id");
 
 $request_file = "request$id";

diff --git a/php/status-update.php b/php/status-update.php
index 7e0a334..ca7c877 100644
--- a/php/status-update.php
+++ b/php/status-update.php
@@ -14,7 +14,7 @@
 
 $verify = mt_rand();
 
-$pub = file_get_contents("public$id.pub");
+$pub = file_get_contents("public$id.pem");
 if ($pub === false) die("No public key found for door $id");
 
 $request_file = "request$id";
diff --git a/pi/.gitignore b/pi/.gitignore
new file mode 100644
index 0000000..858899e
--- /dev/null
+++ b/pi/.gitignore
@@ -0,0 +1,2 @@
+get-pip.py
+*.pem

diff --git a/php/status-update.php b/php/status-update.php
index 7e0a334..ca7c877 100644
--- a/php/status-update.php
+++ b/php/status-update.php
@@ -14,7 +14,7 @@
 
 $verify = mt_rand();
 
-$pub = file_get_contents("public$id.pub");
+$pub = file_get_contents("public$id.pem");
 if ($pub === false) die("No public key found for door $id");
 
 $request_file = "request$id";
diff --git a/pi/.gitignore b/pi/.gitignore
new file mode 100644
index 0000000..858899e
--- /dev/null
+++ b/pi/.gitignore
@@ -0,0 +1,2 @@
+get-pip.py
+*.pem
diff --git a/pi/blink.py b/pi/blink.py
new file mode 100644
index 0000000..afbe458
--- /dev/null
+++ b/pi/blink.py
@@ -0,0 +1,12 @@
+from time import sleep
+import gpiozero as GP
+from signal import pause
+
+l = GP.LED(18)
+
+b = GP.Button(16)
+
+
+while True:
+    l.toggle()
+    sleep(1)

diff --git a/php/status-update.php b/php/status-update.php
index 7e0a334..ca7c877 100644
--- a/php/status-update.php
+++ b/php/status-update.php
@@ -14,7 +14,7 @@
 
 $verify = mt_rand();
 
-$pub = file_get_contents("public$id.pub");
+$pub = file_get_contents("public$id.pem");
 if ($pub === false) die("No public key found for door $id");
 
 $request_file = "request$id";
diff --git a/pi/.gitignore b/pi/.gitignore
new file mode 100644
index 0000000..858899e
--- /dev/null
+++ b/pi/.gitignore
@@ -0,0 +1,2 @@
+get-pip.py
+*.pem
diff --git a/pi/blink.py b/pi/blink.py
new file mode 100644
index 0000000..afbe458
--- /dev/null
+++ b/pi/blink.py
@@ -0,0 +1,12 @@
+from time import sleep
+import gpiozero as GP
+from signal import pause
+
+l = GP.LED(18)
+
+b = GP.Button(16)
+
+
+while True:
+    l.toggle()
+    sleep(1)
diff --git a/pi/setup-pip.sh b/pi/setup-pip.sh
new file mode 100755
index 0000000..b5ec850
--- /dev/null
+++ b/pi/setup-pip.sh
@@ -0,0 +1,5 @@
+#! /usr/bin/env bash
+
+curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
+sudo python get-pip.py
+sudo apt-get install python-gpiozero