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Serial1. The Arduino Mega has three additional serial ports: Serial1 on pins 19 (RX) and 18 (TX), Serial2 on pins 17 (RX) and 16 (TX), Serial3 on pins 15 (RX) and 14 (TX). Serial.begin(9600) //set bit rate of serial port connecting Arduino with computer Int uart //save data measured by LiDARĬonst int HEADER=0x59 //frame header of data package There are pin mappings to Atmega8 and Atmega 168/328 as well.
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Voltage Regulator -The voltage regulator help to convert the input voltage to 5V. It has a crystal oscillator-16 MHz, a power jack, an ICSP header, a USB-B port, and a RESET button. One serial port is used for entering the command and the other serial port is used for sending the command to the Receiver. It consists of 54 digital input/output pins, where 16 pins are analog inputs, 14 are PWM pins, and 6 hardware serial ports (UARTs). For both the Serial Ports I selected 9600 as the baud rate. Int dist //actual distance measurements of LiDAR Below is the pin mapping for the Atmega2560. Arduino Mega, Sender code explanation: Inside the setup() function you can see I have activated two Serial Ports on the Arduino Mega.
#Arduino mega serial port pins software#
SoftwareSerial Serial1(2,3) //define software serial port name as Serial1 and define pin2 as RX and pin3 as TX #include //header file of software serial port Select the serial device of the board from the Tools Serial Port menu.
#Arduino mega serial port pins how to#
This program is the interpretation routine of standard output protocol of TFmini-Plus product on Arduino.įor details, refer to Product Specifications.įor Arduino boards with only one serial port like UNO board, the function of software visual serial port is to be used. So now With ’s Post on how to install arduino mega 2560 drivers on. * For Arduinoboards with multiple serial ports like DUEboard, interpret above two pieces of code and directly use Serial1 serial port*/Įxample Code: TFmini/TFminiPlus-Arduino/blob/master/Example-ReadData/ReadData/ReadData.ino /* I believe it is because the Mega has multiple serial ports unlike the Uno. However, when I try and use it with a Mega I get an error when trying to compile the code.Ĭonflicting declaration 'SoftwareSerial Serial1'Īs stated in the code. I have used the manufacturers sample code with an Arduino Uno with no issues.