m-Arlo Testing

UPDATE - my Parallax m-Arlo (mid-sized Arlo) Roaming with Ping))) Obstacle Detection programmed using BlocklyProp code - Pings))) at Front - pin 14, Left - 45 degrees (approx) - pin 16, Right - 45 degrees (approx)  - pin 17, and Rear - pin 15, using Propeller Activity Board WX (with IR detector on pin 10 - not used), and piezo speaker on pin 4. This code works well and the bot finds its way out even stubborn situations! Getting all the bugs worked out. - http://blockly.parallax.com/blockly/editor/blocklyc.jsp?project=46725

Here is a video.