Added README as user doc, to be finished!

README.md

@@ -76,8 +76,8 @@ void loop() {
 ```
 
 ### Acid Step Sequencer
-A clone of Roland TB303 step sequencer main engine, the schematics for user interface are avaliable on example folder.
 
+A clone of Roland TB303 step sequencer main engine, here is a example with no user interface for interaction. If you're looking for a complete and working TB303 sequencer engine clone with user interface please take a look here https://github.com/midilab/uClock/tree/development/examples/AcidStepSequencer.
 
 ```c++
 // Roland TB303 Step Sequencer engine clone.
@@ -251,5 +251,4 @@ void loop()
   //processYourLeds();
   //processYourPots();
 }
-```
-
+```

examples/AcidStepSequencer/README.md

@@ -0,0 +1,6 @@
+# TB303 Step Sequencer engine clone
+
+With some user interface changes for cheap construction of a functional TB303 engine we present you the interface:
+
+![Image of uMODULAR ctrl16 pcb top view](https://raw.githubusercontent.com/midilab/uClock/blob/master/examples/AcidStepSequencer/acid_step_sequencer-protoboard-v001.png)
+