Merge "brillo-samples/driver/tm1637: add README and schematics"

tm1637/README.md

@@ -0,0 +1,55 @@
+Grove 4-Digit Segment Display sample for Android Things
+=======================================================
+
+This Android Things sample demonstrates how to use a Grove 4-Digit Segment Display based on the TM1637 IC.
+
+Pre-requisites
+--------------
+
+- Android Things compatible board
+- Android Studio 2.2+
+- 1 [Grove 4-Digit Segment display](http://wiki.seeed.cc/Grove-4-Digit_Display/)
+- jumper wires
+- 1 breadboard
+
+
+Schematics
+----------
+
+![Schematics for Intel Edison](edison_schematics.png)
+![Schematics for Raspberry Pi 3](rpi3_schematics.png)
+
+
+Build and install
+=================
+
+On Android Studio, click on the "Run" button.
+
+If you prefer to run on the command line, type
+
+```bash
+./gradlew installDebug
+adb shell am start com.example.androidthings.driversamples/.SegmentDisplayActivity
+```
+
+If you have everything set up correctly, the segment display will show "2342".
+
+License
+-------
+
+Copyright 2016 The Android Open Source Project, Inc.
+
+Licensed to the Apache Software Foundation (ASF) under one or more contributor
+license agreements.  See the NOTICE file distributed with this work for
+additional information regarding copyright ownership.  The ASF licenses this
+file to you under the Apache License, Version 2.0 (the "License"); you may not
+use this file except in compliance with the License.  You may obtain a copy of
+the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+License for the specific language governing permissions and limitations under
+the License.