The regulated power supply used to power the microcontroller and other components on the board. You can supply voltage through this pin, or, if supplying voltage via the power jack, access it through this pin.ĥV. The input voltage to the Arduino board when it's using an external power source (as opposed to 5 volts from the USB connection or other regulated power source). I am guessing that I CAN power with my power supply though the 5VDC pin, if I connect a diode between Vin and 5VDC, cathode to Vin. I have customized the supply header to only provide 5VDC and are using it to power several other boards From the description on the product page, it seems possibly, but searching the forum results state that you shouldn't do this? Which is right? How do I power the Arduino Mega Rev 3 from a regulated 5VDC power source (a PC power supply). Sorry for necro'ing this thread, but I have the same question. ![]() ![]() (I'm trying not to blow up my arduino mega) The next question I have is, if I'm powering the arduino through 5V and then want to program it through the USB can I keep the 5V pin connected and let the arduino choose the power source or must I always disconnect it before connecting the USB cable? Is it just because you could get the polarity and voltage wrong and wreck your arduino or is there something else to be concerned about? If it's the later, should I create a USB B cable with 5V coming from my power supply? I'm a bit concerned that it's not advisable to supply power to the 5V pin. Supplying voltage via the 5V or 3.3V pins bypasses the regulator, and can damage your board. The board can be supplied with power either from the DC power jack (7 - 12V), the USB connector (5V), or the VIN pin of the board (7-12V). I read that:ĥV.This pin outputs a regulated 5V from the regulator on the board. I've got a 10A V5 power supply that's primarily there to power a bunch of LEDs but I wanted to also use it to power an arduino mega 2560. ![]() Firstly, apologies for these basic questions.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |