Frequently Asked Questions

Yes! The wireless itself works just fine, even between two units running at different speeds. Pictochat works great. Other than that it depends on the game as to how well it works; some seem to let you switch speeds frequently and don't miss a beat. Some will have errors while transfering games during download play at different speeds, but once the game has loaded they work fine. Some games get pretty unreliable as the speeds of two connected machines get farther apart, but these games are few and far between. It also depends a bit on which DS you have; the DS Lite seems to be a tiny bit more stable with OC/UC'd wireless games.
The board measures about 1.04" x .04". It's the same size as the GBAccelerator since it has been proven to fit into most Nintendo handhelds.
We include a 2.5mm phone jack that can be mounted on the outside of your handheld, along with a cable that plugs into this connector and has a standard MIDI plug (5-pin DIN) on the other end.
It takes an incoming MIDI stream and turns on and off 1 of 12 different outputs, depending on what note has been played. The outputs can either be active-high or active-low. They are hi-z when they are "off".
Using Fast speed, the GBA will run at about 1.5x normal GBA speed. Using Ultra speed mode, the GBA will run at about 1.75x normal GBA speed. And using Slow-Motion mode, the GBA will run at about 0.85x normal GBA speed.
Yes. You can use whichever buttons you'd like (except Power). When you are installing the GBAccelerator, just connect the 3 button inputs to the solder points that correspond to the desired buttons (there is a list of them all on the Installation pages). You can even use two buttons or one button. Just connect the unused button inputs on the GBAccelerator to one that is connected to a button. Note: all three button inputs are identical; it doesn't matter which one you connect to which button.
No. We've tested this mod for many hours and haven't had any problems with units dying or extra heat or anything. The processor used by the DS is actually designed to be run quite a bit faster than the DS runs it at, so there's plenty of room to play. We tested speeds that were quite a bit faster that the GBAccelerator runs things at, and the DS did fine. 1.8x was chosen as the maximum speed because that was the fastest that the wireless would work consistently.
You can power Midify with 3.3v or 5v DC. Each output can handle 25ma, up to 200ma total for all outputs combined. You can drive a few LEDs directly if you want, but if you are planning on driving any larger loads you should use transistors.
That's pretty much limited by your imagination and we'll never be able to compile a complete list. As-is it will work with most Nintendo portables and anything that needs a high or low signal. If you use the outputs to drive transistors it opens up more possibilities of devices you can connect Midify to, such as toys and instruments with matrix keypads.
Steady=normal speed, single-blink=fast, double-blink=ultra, and fading in/out=slow-motion. Note: these codes do not apply when using wireless since that also causes the power LED to blink.