The Serial Monitor can be accessed by Tools Serial Monitor, or using the keyboard shortcut (Ctrl + Shift + M). Rather, it opens in a new tab at the bottom, besides the Output tab. This sketch assumes that you connect your serial enabled device is attached to TX1 and RX1. In Arduino IDE 2.0, the Serial Monitor does not open in a popup window. Make sure that your Mega is connected to your computer, via USB, to enable serial communication. Alternatively, CTRL+SHIFT+M will also bring up the same window. When you use the Serial monitor, well, basically your Arduino IDE initiates a. To open up the serial monitor go up to tools and then select the serial monitor. On the Raspberry Pi, you can connect many Serial devices on the USB ports. This is pretty easy and there are only a few options that I will need to explain.
Arduino serial port monitor code#
Connect the RX pin and TX pins of your device to the TX1 and RX1 pins of your Mega, as shown in the schematic below. Now that the code has been uploaded to the Arduino we will need to open up the Arduino serial monitor. Serial enabled device (a Xbee Radio, a Bluetooth® module, or RFID reader, or another board, for instance).Īfter checking the data sheet of whatever serial enabled device you choose to use for this example, make sure that it is both properly wired and powered. The serial monitor displays any information that the Arduino outputs to the serial port, so it’s essential for debugging purposes. Use the same baud rate from the call to begin serial communication in your code. This example makes use of one of Arduino Mega's 3 auxiliary serial ports, routing any incoming data read on that connection straight to the main TX line, and, in turn, to the main serial window for you to view. Just select Serial Monitor from the Tools menu (or click the little magnifying glass) to open the serial monitor. Sometimes, one serial port just isn't enough! When trying to communicate with multiple serial enabled devices, while also sending info back to the main serial window, a few extra RX/TX ports can be a welcomed thing.
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