documentation: extended example usages

README.md

@@ -10,8 +10,12 @@ Requirements
 2. python3 (with PIL)
 3. Any good operating system (this - of course - excludes Micro$oft Windows; might work but untested)
 
-Usage
------
+Example Usage
+-------------
+
+### Generate Image
+
+_for a 1.54" tag_
 
 ```bash
 ./eink_create_img.py -i '{"t":"Hello","f":"/usr/share/fonts/truetype/freefont/FreeMono.ttf","s":16,"c":1,"x":0,"y":0,"a":0}' \
@@ -22,7 +26,21 @@ Usage
 	             -vv
 ```
 
-produces this image:
+### Generate and Upload Image
+
+_for a 2.9" tag, in **w**ide (not **t**all) orientation_
+
+```bash
+./eink_create_img.py -i '{"t":"Hello","f":"/usr/share/fonts/truetype/freefont/FreeMono.ttf","s":16,"c":1,"x":0,"y":0,"a":0}' \
+                        '{"t":"World","f":"/usr/share/fonts/truetype/freefont/FreeMono.ttf","s":16,"c":2,"x":0,"y":20,"a":0}' \
+	             -o helloworld.jpg \
+	             -r 0 \
+	             -s 2.9w \
+	             -vv \
+		     -u 'http://192.168.178.192' '00000197E5CB3B38' # the first four '0' can be ommitted
+```
+
+Produced Image:
 
 ![A generated image showing Hello in black and World in red on a white background](./helloworld.jpg)