the intended design is going to be 12v and between 1mA to 2mA. I read an article that said you should match the voltage and current of the adapter as closely as possible to the device, but if you have a power supply that can put out 12V at 1A, doesn't that just mean that it can give 12V to the device up to 1A? Afaik, if you're not using 900mA, the power supply should only put out the mA the device is asking for, e.g. 100mA, right?
Also, if the above is true, would buying an unregulated PS of 1A or more actually be better for devices that use only a few mA? From what I read, it seems like the voltage output of an unregulated PS will suffer if you get close to or go over the rated current output-for-voltage of the PS. Wouldn't it be able to provide maximum steady voltage if the current draw of the device is far below the spec of the adapter?
Also, if the above is true, would buying an unregulated PS of 1A or more actually be better for devices that use only a few mA? From what I read, it seems like the voltage output of an unregulated PS will suffer if you get close to or go over the rated current output-for-voltage of the PS. Wouldn't it be able to provide maximum steady voltage if the current draw of the device is far below the spec of the adapter?