diff --git a/boards/sim/sim/sim/README.txt b/boards/sim/sim/sim/README.txt
index 2982a645e14..eebd532efb3 100644
--- a/boards/sim/sim/sim/README.txt
+++ b/boards/sim/sim/sim/README.txt
@@ -560,6 +560,18 @@ Common Configuration Information
 Configuration Sub-Directories
 -----------------------------
 
+adb
+
+  A simple demo show how to config adb:
+    $ ./nuttx
+    NuttShell (NSH) NuttX-10.2.0
+    nsh> adbd &
+    adbd [2:100]
+  You can use the normal adb command from host:
+    adb kill-server
+    adb connect localhost:5555
+    adb shell
+
 bluetooth
 
   Supports some very limited, primitive, low-level debug of the Bluetooth
diff --git a/boards/sim/sim/sim/configs/adb/defconfig b/boards/sim/sim/sim/configs/adb/defconfig
new file mode 100644
index 00000000000..c94b0df4420
--- /dev/null
+++ b/boards/sim/sim/sim/configs/adb/defconfig
@@ -0,0 +1,54 @@
+#
+# This file is autogenerated: PLEASE DO NOT EDIT IT.
+#
+# You can use "make menuconfig" to make any modifications to the installed .config file.
+# You can then do "make savedefconfig" to generate a new defconfig file that includes your
+# modifications.
+#
+# CONFIG_NET_ETHERNET is not set
+CONFIG_ADBD_FILE_SERVICE=y
+CONFIG_ADBD_FILE_SYMLINK=y
+CONFIG_ADBD_LOGCAT_SERVICE=y
+CONFIG_ADBD_SHELL_SERVICE=y
+CONFIG_ADBD_TCP_SERVER=y
+CONFIG_ARCH="sim"
+CONFIG_ARCH_BOARD="sim"
+CONFIG_ARCH_BOARD_SIM=y
+CONFIG_ARCH_CHIP="sim"
+CONFIG_ARCH_SIM=y
+CONFIG_BOARDCTL_POWEROFF=y
+CONFIG_BUILTIN=y
+CONFIG_DEBUG_SYMBOLS=y
+CONFIG_FS_PROCFS=y
+CONFIG_FS_TMPFS=y
+CONFIG_INIT_ENTRYPOINT="nsh_main"
+CONFIG_LIBC_DLFCN=y
+CONFIG_LIBUV=y
+CONFIG_LIBUV_UTILS_TEST=y
+CONFIG_NET=y
+CONFIG_NET_ICMP_NO_STACK=y
+CONFIG_NET_SOCKOPTS=y
+CONFIG_NET_TCP_NO_STACK=y
+CONFIG_NET_UDP_NO_STACK=y
+CONFIG_NET_USRSOCK_OTHER=y
+CONFIG_NET_USRSOCK_TCP=y
+CONFIG_NET_USRSOCK_UDP=y
+CONFIG_NSH_ARCHINIT=y
+CONFIG_NSH_BUILTIN_APPS=y
+CONFIG_NSH_READLINE=y
+CONFIG_PSEUDOFS_SOFTLINKS=y
+CONFIG_RAMLOG=y
+CONFIG_RAMLOG_SYSLOG=y
+CONFIG_READLINE_CMD_HISTORY=y
+CONFIG_READLINE_TABCOMPLETION=y
+CONFIG_SCHED_CHILD_STATUS=y
+CONFIG_SCHED_HAVE_PARENT=y
+CONFIG_SCHED_WAITPID=y
+CONFIG_SIM_NETUSRSOCK=y
+CONFIG_SYSLOG_CHARDEV=y
+CONFIG_SYSLOG_DEFAULT=y
+CONFIG_SYSLOG_MAX_CHANNELS=2
+CONFIG_SYSTEM_ADBD=y
+CONFIG_SYSTEM_CLE=y
+CONFIG_SYSTEM_NSH=y
+CONFIG_TLS_TASK_NELEM=4