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Activity for dustytrash‭

Type On... Excerpt Status Date
Edit Post #279796 Post edited:
over 3 years ago
Edit Post #279796 Post edited:
added additional note about the type of battery
over 3 years ago
Comment Post #279796 @canina it IS a lithium battery, the older models used nimh, but this one uses Lithium (690). Unfortunately there's no way to get a hold of the schematic as there's no way irobot would provide it.
(more)
over 3 years ago
Edit Post #279796 Post edited:
clarified Watts not Volts, clarified charger is working
over 3 years ago
Edit Post #279796 Post edited:
over 3 years ago
Edit Post #279796 Post edited:
clarified power meter reading and image
over 3 years ago
Comment Post #279803 My mistake on the power meter, I'll update my post to make it clear my working charger shows between 20-24 when connected to a working Roomba, but exactly 1.6 when connected to my not-charging roomba.
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over 3 years ago
Edit Post #279796 Post edited:
over 3 years ago
Edit Post #279796 Post edited:
over 3 years ago
Edit Post #279796 Post edited:
moved images from imagur to post
over 3 years ago
Edit Post #279796 Post edited:
moved image from imagur to attached to the post
over 3 years ago
Edit Post #279796 Initial revision over 3 years ago
Question How can I debug, (and eventually fix) this Roomba PCB?
I've got a broken roomba, I've tried new batteries and a working charger. The charger is supposed to output 20V-24W when the roomba is plugged in. the picture just shows how I'm measuring the power taken from the charger. I bought a Power Meter for this purpose. A functional roomba shows betw...
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over 3 years ago
Edit Post #279784 Post edited:
over 3 years ago
Edit Post #279784 Initial revision over 3 years ago
Question Can I ask about debugging/fixing a broken product?
I've taken a part a broken roomba down to the PCB. I can connect the PCB directly to the battery and connect the charging cable & charger to the PCB. I'm wondering if I could post about asking for suggestions on debugging the issue. I know consumer electronics are most likely off topic, but I'd as...
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over 3 years ago
Comment Post #278699 Speaking from a Programmer prospective, estimating is very hard and even experienced professionals often under-estimate. The same is true in other fields, like word work or other construction in my city!
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over 3 years ago
Comment Post #278420 +1 As a professional programmer and Arduino hobbyist this is the most helpful thing I've read on the internet in a long while.
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over 3 years ago