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June 8, 2010
about 6 months ago
I can confirm this. I use this display and it’s big brother. Both allow you to update one line, a series of lines or the entire screen in a single SPI command. It’s trivial really.
about 7 months ago
STM32F4 needed the resistors, but it works great! I’m driving it with a Cerb40 II board from GHI.
One of the other micro motors you sell has a ratio of 298:1. Is this more precise or is that just the product name?
about a year ago
I’ll try it and report back. That link seemed to say they needed the resistors because their IO logic pins were ~4v. Stm32 is 3.3v :)
Does it make a difference if I’m using an STM32F4 to drive it? I won’t bit bang, I’ll be using the SDIO hardware feature of the chip? I have internal resistors, they’re not strong enough?
I’ve been working with SD cards for a long time now using this chip. But they’ve always been on the same board.
Do I need to add anything to this or can I wire it directly to my microprocessor board? I know normally there are some pull up/down resistors.
about 2 years ago
lol, according to your link the 13MP Galaxy S4 is better than a Cannon 5D Mark II 21MP DSLR. …I’m guessing the person in charge of uploading those pics owns the Galaxy.
about 2 years ago
…Yes and yes, using the serial interface. Check the video on this page at 6:05. The interface is simple.
lol, their video didn’t render in IE10 (with or without compatibility view). Thanks. …Seriously though, embedded YouTube videos work on every other site. I think SparkFun should checkout their markup.
How fast does this operate? My problem with fingerprint scanners (I use them on a daily basis) is speed. The ones I use have to be swiped, which doesn’t always work, and then there’s a lag (probably due to windows). …Before I buy one of these I want to make sure it’ll be nearly instantaneous.
No public wish lists :(
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