Ah, Arduino, I remember when you were just crawling around and blinking LEDs. Now youre ready to learn how to speak In this lesson well learn how to use the Serial. I recently found an interesting use of the many Arduino boards that I have. You can use your Arduino board as a bridge to connect serial devices to the computer. SIM800 is one of the most commonly used GSM module among hobbyists and Arduino community. Even though AT command reference is available with a quick Google. Using Arduino as a bridge to connect serial devices with PCHardware Fun. I recently found an interesting use of the many Arduino boards that I have. You can use your Arduino board as a bridge to connect serial devices to the computer, without even writing a sketch. How cool is that Before I tell you how you can do it, let me explain about virtual COM ports and how Arduino uses them. Virtual COM ports. Arduino is an open source computer hardware and software company, project, and user community that designs and manufactures singleboard microcontrollers and. Arduino Serial Output Pin' title='Arduino Serial Output Pin' />The ATmega. Arduino board supports UART TTL 5. V serial communication. You can connect the microcontroller to the serial port in your computer with appropriate logic level converters and can interface with it. But these days, most computers dont have a serial port. So the Arduino team when they designed the board, placed another IC to channel this serial communication over USB. In pre UNO boards this is handled by the FTDI FT2. Arduino is an opensource electronics prototyping platform based on flexible, easyto use hardware and software. Its intended for artists, designers, hobbyists, and. How to measure temperature and humidity with the DHT11 and an Arduino. Diagrams and code are provided to display readings on an LCD or the serial monitor. The Arduino Mega 2560 is a microcontroller board based on the ATmega2560 datasheet. It has 54 digital inputoutput pins of which 14 can be used as. Basti By Intizar Husain Pdf'>Basti By Intizar Husain Pdf. This is a nonexhaustive list of Arduino boards and compatible systems. Navteq Maps Download. It lists boards in these categories Released under the official Arduino name. Arduino Serial Output Pin' title='Arduino Serial Output Pin' />RL IC and in UNO it is handled by ATmega. U2 IC. In your computer, you will have to install corresponding drivers and the device will appear as the virtual COM port. Holding the processor in RESET mode. The serial to USBTTL IC either FTDI FT2. RL or ATmega. 8U2 is connected to Arduino pins 0 and 1. If we hold the processor in RESET mode, then all its GPIO pins will me in tri state, effectively removing it from the circuit and you can directly interface the serial to USB IC with your device. To hold the processor in RESET mode, just connect the RESET pin which is active low with the ground. This will hold the processor in RESET mode. Interfacing the serial device. Now you can connect the serial device to the Arduino pins 0 and 1. You should however note that the Rx pin pin 0 goes to the Rx of the device and Tx pin pin 1 goes to the Tx of the device and not the other way around. In your computer the device will appear as a Virtual COM port. You can connect to it using programs like screen or hyper terminal. I didnt had a serial device handy with me, so I used a another Arduino as a serial device to test this. I wrote a small sketch which was printing something in the Serial every few seconds and then when I opened the virtual COM port using screen, I was able to see its output. This is a neat trick and might be useful if you have to interface some serial device like a GPS or a Bluetooth module with your computer. Hercules Animated Tv Series more.