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March 1, 2013
about 2 months ago
There’s a huge difference between an Arduino board and a bare Atmel chip. There’s all sorts of extra components you need to even use an Atmel chip.
However, all this is is just the chip on a board with the pins marked. All you need to use a DIP 74HC4051 is the pinout which you can just get from a datasheet.
Ummm. Is this an early April Fool’s joke? Why would anyone buy this when you can just buy a DIP version of this chip for under 1/3 the price?
about 3 months ago
What can we use to charge these? I don’t see any charger boards in your catalog that do anything under 100mA…
News - T³: Etching your own cir…
about 5 months ago
I actually do a LOT of etching. I started doing it for making jewelry (http://mordent.com), and now I etch my own PCBs for prototyping my electronics projects. I’ve discovered that sharpie pens don’t really hold up well as a mask. I used to use toner transfer, but I’ve discovered that uv film (I use the one here http://capefearpress.com/puretch.html) is so much better as a mask. No pits, no spots to fix and it takes about the same amount of time. I also learned from someone that using a sponge to wipe the ferric chloride across the board (repeatedly) makes the process go much faster (around 7-8 minutes), or you can set up a ferric spray tank.
about a year ago
Yeah, I’m not seeing it either. Banana Pi / Orange Pi / RioTBoard all have similar functionality (maybe not the quad core processor) and those are around $30-35 for the Pis and $70 for the RioTBoard. Banana Pi 2 is quad core (no sata) for $50-60.
News - Introducing the Qduino Mi…
about 2 years ago
This is AWESOME! Backed!!
The only unfortunate thing is that having a battery plugged into the battery connector prevents having the USB port flush with any kind of enclosure. So any design you make has to leave a lot of room to open up and plug in the USB.
News - LilyPad MP3 Giveaway!
about 2 years ago
Beat box! Out of the box you could just upload small samples of tunes/drums/etc and trigger them with the touch of one of the five buttons, effectively giving you a mini “keyboard” to play. With a little programming you could even make it into a sequencer that can record and playback your beats. I’m actually already in the middle of making something like this as a wearable bracelet (using one of Sparkfun’s Ardunio Pro Minis and a VS1003 chip).
News - What to do when you screw…
about 2 years ago
Wow, that sucks. I seriously hope that most people will just try to fix their own bootloader. I know I definitely will. The last thing I would want is to cost you guys money by returning it. You guys are AWESOME.
about 3 years ago
This is an AWESOME idea. It’s exactly what I’ve been trying to build using the VS1003 and Arduino Pro Mini 3.3v (as separate boards). Unfortunately, it’s too huge for what I need it for, but I’m glad to have your schematic so maybe I can make it smaller. This could make for some interesting ThinkGeek-like “instrument” t-shirts.
about 4 years ago
One of my problems with this board is that the FTDI header is VCC instead of VRAW. Since VCC is 3.3v and FTDI is usually 5v, it leaves me always having to stick a wire in my FTDI cable’s VCC to connect it to VRAW instead of the ftdi header vcc on the board.
Also, for some odd reason, twice my board has gone into infinite blink mode. I got it out once by following some instructions I found elsewhere that say to unplug the usb (ftdi cable), hold reset, and plug it back in, then upload and let go of reset when the TX starts. This worked once. Now a couple days later, my board is stuck in blink mode again and even this doesn’t work. Not only that but shortly after this happened, the ftdi cable I was using with it now no longer works. Anyone have any ideas how I can reset this thing?
No public wish lists :(
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