Note: If one or more of these lights is not lit, check the connections on port 2 & 3 and Check the batteries. and finally, two tiny blue lights on either side of the line tracking sensor - stays on (when on table). ![]() another RED light (very small) on the back of the range sensor - stays on. a RED power light in the middle on circuit board (PWR)- stays on. as it powers up the two front left & right lights (LED1/2) will flash Red/Green/Blue then off. With the mBot sitting on a table top, power it on. ![]() Although not a bad idea to put something like it in your code to know it loaded. When you update your own firmware it will not do this. Note: The Red/Green/Blue power up thing is part of the Demo firmware, it does this has it turns on. Testing steps below, along with other notes. Once assembled, and before connecting it to any computer or phone, test it first to make sure it’s assembled correct. Loads of fun, but I think some more documentation is needed. My son and I have been playing with this all weekend. ![]() OK here’s another ‘Getting Started’ type doc.
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