{"version":"1.0","provider_name":"Rainbow Dash Network","provider_url":"http:\/\/rainbowdash.net\/","type":"link","title":"Cerulean Lulamoon-Spark (ceruleansparkold)'s status on Wednesday, 28-Sep-11 16:34:33 UTC","author_name":"Cerulean Lulamoon-Spark (ceruleansparkold)","author_url":"http:\/\/rainbowdash.net\/ceruleansparkold","url":"http:\/\/rainbowdash.net\/notice\/561728","html":"@<span class=\"vcard\"><a href=\"http:\/\/rainbowdash.net\/user\/1235\" class=\"url\" title=\"Henrik Westerlund\"><span class=\"fn nickname\">flaxx<\/span><\/a><\/span> It wasn't actually so hard. The robot had 3 pressure sensors (Front left, front right and back). You just had to program it with a &quot;response&quot; to pressure on each sensor. The maze walls were all straight and all the turns were at predictable 90 degree angles, so the responses were typically some variation of &quot;Stop, go back a little and turn a quarter or half circle, then go forward again&quot;"}