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Step 5Circuit diagram
As mentioned before, a simple pulse stretcher like a 74HC123 could have been used, but I didn't have one so I used a PIC instead...
I was going to drive the motor from the PIC, but at 200mA, it is way more than the PIC san Sink (or Source). The transistor used can handle 600mA.
R3 (51Ohm) was added to slow the motor down. I would have used PWM from the PIC, but I had already soldered it to the board before noticing that the motor spun too fast.
R1 (10KOhm) tells the NDS that an Option Pak is installed. I assume that D1 pulled low indicated a RumblePak and that other Option Paks require other data lines to be pulled low.
C1 provides some decoupling.
There should be a diode across the motor, but it seemed to work fine without it and there just wasn't the space.
I was going to drive the motor from the PIC, but at 200mA, it is way more than the PIC san Sink (or Source). The transistor used can handle 600mA.
R3 (51Ohm) was added to slow the motor down. I would have used PWM from the PIC, but I had already soldered it to the board before noticing that the motor spun too fast.
R1 (10KOhm) tells the NDS that an Option Pak is installed. I assume that D1 pulled low indicated a RumblePak and that other Option Paks require other data lines to be pulled low.
C1 provides some decoupling.
There should be a diode across the motor, but it seemed to work fine without it and there just wasn't the space.
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also im not sure how much you know about DS modding, but do you think its possible to get the DSi to have a SLOT-2 as well? i figured that in order to use it you could make a homebrew DSi ware...
sorry i just would really like a DSi without loosing SLOT-2 and the pokemon diamond/pearl SLOT-2 function which allows you to transfer pokemon to pal park.
but yes, having a built in rumble feature would be freaking awesome too.
i hear that those new dsi XL's have slot-2
isnt that horrible? selling a "new" DS and adding teh smallest of upgrades? GOD ITS SO HORRIBLE! now everyone who bought the DSI XL has to shell out more money for a 3DS.. it really makes me sad.