diff --git a/install.sh b/install.sh
index 59c8af0..ad19be4 100755
--- a/install.sh
+++ b/install.sh
@@ -19,8 +19,8 @@ ver="0.3"
 marker="0.0.0"
 
 apt update
-apt-get -y install raspberrypi-kernel-headers raspberrypi-kernel
-apt-get -y install  dkms
+apt-get -y install raspberrypi-kernel-headers raspberrypi-kernel 
+apt-get -y install  dkms git i2c-tools
 
 # locate currently installed kernels (may be different to running kernel if
 # it's just been updated)
diff --git a/seeed-voicecard b/seeed-voicecard
index e988982..38bd5df 100755
--- a/seeed-voicecard
+++ b/seeed-voicecard
@@ -22,6 +22,14 @@
 
 set -x
 exec 1>/var/log/$(basename $0).log 2>&1
+#enable i2c interface
+dtparam i2c_arm=on
+modprobe i2c-dev
+
+#enable spi interface
+dtparam spi=on
+sleep 1
+
 
 
 is_1a=$(i2cdetect -y  1 0x1a 0x1a | grep 1a | awk '{print $2}')