diff --git a/conf/layer.conf b/conf/layer.conf
index 96d5af4..930e550 100644
--- a/conf/layer.conf
+++ b/conf/layer.conf
@@ -57,4 +57,9 @@ start_x=1             # essential \n\
 #dtparam=audio=on \n\
 gpu_mem=128           # at least, or maybe more if you wish \n\
 disable_camera_led=1  # optional \n\
-'
\ No newline at end of file
+'
+
+# extra kernel CMDLINE_RNDIS option
+# CMDLINE_RNDIS += ""
+# accept license for wifi and bluetooth firmware
+LICENSE_FLAGS_ACCEPTED = "synaptics-killswitch"
\ No newline at end of file
diff --git a/recipes-bsp/waveshare-2.8-lcd/waveshare-2.8-lcd.bb b/recipes-bsp/waveshare-2.8-lcd/waveshare-2.8-lcd.bb
index a46706a..01ea609 100644
--- a/recipes-bsp/waveshare-2.8-lcd/waveshare-2.8-lcd.bb
+++ b/recipes-bsp/waveshare-2.8-lcd/waveshare-2.8-lcd.bb
@@ -2,9 +2,14 @@ SUMMARY = "Waveshare 2.8 inch DPI"
 DESCRIPTION = "support overlay layer for Waveshare 2.8 inch DPI"
 LICENSE = "MIT"
 LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4f302"
+inherit devicetree
 
-do_deploy () {
+FILESEXTRAPATHS:prepend := "${THISDIR}/files:"
+SRC_URI = " file://dts/ads1115-i2c-gpio.dts "
+
+do_deploy:append () {
     install -d ${DEPLOY_DIR_IMAGE}
+    install -m 0755 ${THISDIR}/files/dts/ads1115-i2c-gpio.dtbo ${DEPLOY_DIR_IMAGE}/ads1115-i2c-gpio.dtbo
     install -m 0755 ${THISDIR}/files/vc4-kms-DPI-28inch.dtbo ${DEPLOY_DIR_IMAGE}/vc4-kms-DPI-28inch.dtbo
     install -m 0755 ${THISDIR}/files/waveshare-28dpi-3b-4b.dtbo ${DEPLOY_DIR_IMAGE}/waveshare-28dpi-3b-4b.dtbo
     install -m 0755 ${THISDIR}/files/waveshare-28dpi-3b.dtbo ${DEPLOY_DIR_IMAGE}/waveshare-28dpi-3b.dtbo
@@ -12,4 +17,4 @@ do_deploy () {
     # install -m 0755 ${THISDIR}/files/start.mp3 ${DEPLOY_DIR_IMAGE}/start.mp3
 }
 
-addtask deploy
\ No newline at end of file
+# addtask deploy
\ No newline at end of file
diff --git a/recipes-core/images/core-image-minimal.bbappend b/recipes-core/images/core-image-minimal.bbappend
index 52b54f5..d5e0192 100644
--- a/recipes-core/images/core-image-minimal.bbappend
+++ b/recipes-core/images/core-image-minimal.bbappend
@@ -1,6 +1,6 @@
 inherit extrausers
 
-KERNEL_DEVICETREE:append = "${@bb.utils.contains('RPI_USE_wS_28_DPI_LCD', '1', ' overlays/vc4-kms-DPI-28inch.dtbo overlays/waveshare-28dpi-3b-4b.dtbo overlays/waveshare-28dpi-3b.dtbo overlays/waveshare-28dpi-4b.dtbo ', ' ', d)}"
+KERNEL_DEVICETREE:append = "${@bb.utils.contains('RPI_USE_wS_28_DPI_LCD', '1', ' overlays/ads1115-i2c-gpio.dtbo overlays/vc4-kms-DPI-28inch.dtbo overlays/waveshare-28dpi-3b-4b.dtbo overlays/waveshare-28dpi-3b.dtbo overlays/waveshare-28dpi-4b.dtbo ', ' ', d)}"
 
 
 EXTRA_USERS_PARAMS = "usermod -p BJpK8ADNDLsGg root; \
diff --git a/recipes-example/example/example_0.1.bb b/recipes-example/example/example_0.1.bb
index d1da002..600dd68 100644
--- a/recipes-example/example/example_0.1.bb
+++ b/recipes-example/example/example_0.1.bb
@@ -3,6 +3,8 @@ DESCRIPTION = "Recipe created by bitbake-layers"
 LICENSE = "MIT"
 LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4f302"
 
+inherit pkgconfig
+
 DEPENDS += "libsdl2"
 FILESEXTRAPATHS:prepend := "${THISDIR}/files:"
 SRC_URI = "file://sdl_test.cpp file://sdlgl.c file://sdlglshader.c"