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February 17, 2010
Tutorial - Assembly Guide for SparkFun JetBot AI Kit
I recommend you guys include a photo of the config bits on the motor driver. I skimmed the text and missed the config bits, and spent way too much time trying to figure out why none of the peripherals were working (hint - with a config of 0x0, it starts out in UART, and proceeds to spam the I2C bus since it uses the same pins).
about 4 years ago
yes, but it doesn't reverse the corrosion, it just corrodes both sides of the probe half as fast, instead of one.
Kinda sad that SF went the resistive route. Capacitive (though a bit more expensive), has none of the corrosion issues of one like this. I built a similar sensor out of galvanized nails, and it rusted to nothing in about 3 months.
about 5 years ago
um. minimum power requirements != maximum power rating.
News - The Free Shipping Sweet S…
about 5 years ago
what in the world are you talking about? do you understand that when a company charges you for shipping, it's not just the cost of buying postage, it's also the cost of having someone go to a warehouse, find that header you want so badly, put it in a baggie, put that baggie in a package, and make sure it gets to USPS? There's a reason it's called shipping and handling.
And... I hate you break it to you, but Amazon Prime isn't free shipping either. Or did you forget about that $79 you had to pay upfront (which is now $99)... Or the part where they do exactly what SFE doesn't want to - charge more for Prime items than non prime items, effectively baking the added cost in, removing the option to optimize orders?
And finally, as an owner of a business that has to deal with darling customers such as yourself, I'll say the thing I always want to but can't - if the competition is so much better than SFE, by all means - keep buying from them, and don't poo all over these guys' forums. All you're doing by posting this here is trying to show how smart you are... and ultimately failing.
about 6 years ago
Will this work through a few mm of fiberglass? Trying to mount it inside an RC boat (the 1 meter long variety), and debating whether it needs to go outside the hull, or if it'll work inside. If it has to be outside, can I epoxy it down, or will getting it wet muck with things?
about 8 years ago
not sure if this matters to anyone, but the last batch i got of these had different dimensions. same 110mah, but 5x11.5x28. previous was 4x17.5x29 (all in mm). so - a bit thicker, but much smaller footprint. don't have an accurate enough scale to weigh them.
about 9 years ago
fyi - i ended up calling an atmel distributor about these because we're using them in a design. looks like atmel is doing something funky to the supply of these things, as they're quoting me a 26 week(!) lead time on an actual order, and 2+ weeks on a sample order.
i found a site (diydrones) that has ~400 of these in stock at the time of this post, and got what i need, but i think i'll be getting away from this specific module.
sparkfun: there's a number of other companies (winbond, etc) that have similar capacity eeproms in 5.3mm 8-soic packaging. that might be a better option for the site.
about 10 years ago
sorry - this is for i2c
last page on the datasheet
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