![]() ![]() Before Law, the fruit's powers were held by a certain famous doctor. Water Law, force-fed to him by Donquixote Rosinante. The Ope Ope no Mi is a Paramecia-type Devil Fruit granting the ability to create a spherical forcefield in which the user can freely alter the orientation, movements, and configuration/anatomy of anything and anyone (themselves included) in a "surgical" fashion, making the user a Free Modification Human ( 改造自在人間, Kaizō Jizai Ningen ?). Water Law For the chapter of the same name, see Chapter 761. 02 r = 25 ohms so you would need a 25 ohm resistor in that case.Trafalgar D. So the resistance you need to drop the voltage by half a volt (.5V) can be expressed by the equation: r = V / I r =. Current = Voltage/resistance -or- I = V / r the circuit in mice will usually be running at. You have resistance (r), voltage (V), and current (I, uppercase "i") The resistance is measured in ohms, the voltage in volts, and the current in amps. (some higher end mice do have infrared LEDs) To find the right resistor without guessing, you'll need some good ol' evil- i mean. I don't believe infrared light can be sensed by a standard mouse eye though. Red are just the most common used because they consume the least power other than Infrared. Blue LEDs are the next down on the list Followed by Green and the rest of the visible light spectrum in it's order. Ultraviolet LEDs have the lowest wavelength, and thusly the highest voltage required to light em. If your LED is too bright, consider some smaller resistors to replace the installed one with. If your LED still won't light up, find a lower voltage LED. As you can see, the two LEDs had consistent luminosities. To test the override, reposition your LED in the same place you just put the multimeter. Conveniently enough with this mouse, the voltages were (I believe) about 3.2V at idle and 5V when moving. To do this, place the black prod from the multimeter on the anode of the led (negative side) and the red prod on the other side of the resistor than the LED is connected to. If you are not getting enough power for the LED you want to put in, use the multimeter to see how much power you would have if you override the resistor. Connect a multimeter to the leads of the installed LED to see how much voltage is actually going across it -both at idle and when the mouse is moved. Mine was not getting enough power using this method. ![]() ![]() If your LED does not light up, and you have it positioned correctly, then it is not receiving enough power. The red LED found in most standard mice is a 1.7V rated diode, and that resistor is holding the power down to that level so the LED doesn't overheat and burn out. Make sure you have the leads correct it is a diode and only works one way. To do this, plug in the mouse and simply touch the leads from your LED to the same corresponding leads of the one thats already installed. Naturally, the light is not reflected to the eye, and the mouse is blind on very dark surfaces.īefore tearing anything out, make sure the LED will work. As any kid who's fooled around with a blacklight will know, black objects barely show up if at all. ![]() Kinda strange, though it makes since with UV light, the mouse works fine as long as it's not on a black surface. It needs a small resistor, as it frequently starts to overheat and will stop responding for a few seconds. After overriding the resistor, the mouse pumps out the 5 volts require to blast the 3.4v led. I've recently (Mar-5-08) put a UV LED in a cheap HP mouse I got a while back to mod. (and quite bright too) You can use any color of LED you want, as long as the rated voltage is 4V or lower and the luminosity is around 4000 - 8000 mcd. This particular LED will NOT be available at your local radio shack, I specially order a batch a while back since it is a low voltage blue LED. I used a cheap $10 Ativa brand mouse from Office Depot, and a blue led (3.4V 8000mcd). Tired of that standard red light under your mouse? Switch it out! all you need is a soldering iron (and preferably a desoldering tool as well), a multimeter, and the color led you want (and possibly a resistor). ![]()
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