add oled-arm

oled/README.md

@@ -0,0 +1,22 @@
+oled
+====
+
+## Demo
+
+```
+OLED Pin | Name | Remarks | RPi Pin |  RPi Function
+---------+------+---------+---------+--------------
+1        | GND  | Ground  | P01-6   |  GND
+2        | VCC  | +3.3V   | P01-1   |  3V3
+3        | SCL  | Clock   | P01-5   |  GPIO 3 (SCL)
+4        | SDA  | Data    | P01-3   |  GPIO 2 (SDA)
+```
+
+```bash
+# Show "hello world" on oled display module
+$ cat demo.py | docker-compose run --rm oled
+```
+
+## Todo
+
+- [ ] Implement RESTful API