diff --git a/FunKey/board/funkey/rootfs-overlay/usr/local/sbin/get_sid b/FunKey/board/funkey/rootfs-overlay/usr/local/sbin/get_sid
new file mode 100644
index 0000000..b552a1c
--- /dev/null
+++ b/FunKey/board/funkey/rootfs-overlay/usr/local/sbin/get_sid
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo $(for i in 0 4 8 c; do devmem 0x01c2380$i 32; done) | sed 's/ \?0x//g'
diff --git a/FunKey/board/funkey/rootfs-overlay/usr/local/sbin/test-led b/FunKey/board/funkey/rootfs-overlay/usr/local/sbin/test-led
new file mode 100644
index 0000000..7e82ea2
--- /dev/null
+++ b/FunKey/board/funkey/rootfs-overlay/usr/local/sbin/test-led
@@ -0,0 +1,26 @@
+#!/bin/sh
+
+if [ $# -ne 1 ];then
+    echo "ERROR LED ARGS"
+    exit;
+fi
+case ${1} in
+    0) value=0x0a;;
+    1) value=0x3a;;
+    *) echo "ERROR LED VALUE"; exit 1;;
+esac
+
+# Load I2C modules
+modprobe i2c-dev
+modprobe i2c-mv64xxx
+
+# Turn on/off the LED
+i2cset -y 0 0x34 0x32 ${value}
+if [ $? -ne 0 ]; then
+    echo "ERROR LED I2C"
+else
+    echo "OK"
+fi
+
+# Unload I2C modules
+modprobe -r i2c_mv64xxx i2c_dev >/dev/null 2>&1
diff --git a/FunKey/board/funkey/rootfs-overlay/usr/local/sbin/test-speaker b/FunKey/board/funkey/rootfs-overlay/usr/local/sbin/test-speaker
new file mode 100644
index 0000000..306b300
--- /dev/null
+++ b/FunKey/board/funkey/rootfs-overlay/usr/local/sbin/test-speaker
@@ -0,0 +1,24 @@
+#!/bin/sh
+
+# Turn on Power Amplifier
+gpioset $(gpiofind "PA")=1
+if [ $? -ne 0 ]; then
+    echo "ERROR SPEAKER ON"
+else
+
+    # Play 1kHz sine wave
+    speaker-test -t sine -s 1 -f 1000 >/dev/null 2>&1
+    if [ $? -ne 0 ]; then
+	echo "ERROR SPEAKER SINE"
+	gpioset $(gpiofind "PA")=0
+    else
+
+	# Turn off Power Amplifier
+	gpioset $(gpiofind "PA")=0
+	if [ $? -ne 0 ]; then
+	    echo "ERROR SPEAKER OFF"
+	else
+	    echo "OK"
+	fi
+    fi
+fi