Apr 24, 2017 A quick video looking at how to transfer sensor data captured in Arduino and sending it into your processing sketches. Simple and Easy Way to Read Strings Floats and Ints over Arduino Serial. Feb 27, 2012 Hi I would like to know how I can send the data to arduino using serial monitor. Can someone give me a code to do that. I want to enter ' to arduino which in turn should send it to the Tx pin a transceiver to put it to configuration mode. LoRa Send And Receive. Println ('(you may send a limited amount of messages per minute, depending on the signal strength'). Arduino MKR WAN 1300 – Complete product description. Getting started with the MKR WAN 1300 – Get everything set up in minutes. The Arduino Reference text is licensed under a Creative Commons Attribution-Share Alike 3.0 License. Find anything that can be improved? Suggest corrections and new documentation via GitHub. Doubts on how to use Github? Learn everything you need to know in this tutorial.
Apr 05, 2018 Build desktop applications to monitor & receive serial data from Arduino using Visual Basic.NET (VB.NET). Send and Receive Serial Data Using Arduino Hardware: In this model, the TX1 pin sends serial data to the RX1 pin of your Arduino hardware.This model is configured to run in External mode. For more information on External mode, see Tune and Monitor Model Running on Arduino Hardware.
Active9 months ago
I tried to allow sending and receiving data using 2 Arduino Unos, 2 LORA chips (SX1278 433MHz), 2 antennas and 2 Arduino IDE.
Problem is with the receiving data command.
Arduino Software Serial Send And Receive
This is the code for SENDING command:
On serial monitor, I succeed in sending packages, but not receiving. This is the RECEIVING code:
I used instructions about connections from this git page:https://github.com/sandeepmistry/arduino-LoRa
mavericks1100mavericks1100
2 Answers
To make this board work, I had to explicitly initialize SPI
It may be the same for yours. Also, you should properly initialize Lora:
With the code you posted, you don't really know if it initialized correcly or if it's actually sending any data.
Simone SalernoSimone Salerno
First I haven't worked with Lora library. I worked with SX1278 libaray. So I can help you with that.At first here is the link to the libaray - Lora SX1278.h library
Now you might ask why I'm not using the library from the original GitHub repo. Well I faced issue with that library and the issue is this:
The sx1278::getPacket() library function is modified to stabilize the Lora receive functionality. There was a bug which led the esp to panic. The payloadlength read from the REG_FIFO register was not checked for valid value which led to reading the REG_FIFO register read for over 65000 times. Moreover yield() is added in time consuming parts of this function.
That is why I'm using this custom library. Anyway, for you:You can use this function to send packet:
Also to receive data use this function:
And at the beginning of the code just define this few things:
My first decent answer on StackOverflow. Finger Crossed
Momshad DinuryMomshad Dinury
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Send and Receive Serial Data Using Arduino Hardware
This example shows how to use Simulink® Support Package for Arduino® Hardware to send and receive serial data with Arduino hardware.
Supported Hardware
- Arduino Mega 2560
- Arduino Mega ADK
- Arduino Uno
- Arduino Due
- First episode of naruto shippuden in english. Arduino MKR1000
- Arduino MKR WIFI 1010
- Arduino ZERO
- Arduino Leonardo
Introduction
In this example, the Send and Receive Serial Data Using Arduino Hardware and Send Serial Data to Host Using Arduino Hardware models are used to send and receive serial data. These models use the
Serial Transmit
and Serial Receive
blocks to exchange data.- Send and Receive Serial Data Using Arduino Hardware: In this model, the TX1 pin sends serial data to the RX1 pin of your Arduino hardware. This model is configured to run in External mode. For more information on External mode, see Tune and Monitor Model Running on Arduino Hardware.
- Send Serial Data to Host Using Arduino Hardware: In this model, the Arduino hardware sends data to your computer over the serial port 0 (USB port) of the Arduino hardware. This model is configured to run in Normal mode. In this mode, the model is deployed on the Arduino hardware.
The models provided in this example are preconfigured for the Arduino Mega 2560 board. You can run these models on any of the boards listed in the Supported Hardware section by changing the Hardware board parameter in the Simulink model. For more information on how to change the Hardware board parameter, see the Step 2: Configure the Model for Arduino Hardware section of this example.
Prerequisites
Before you start with this example, we recommend you complete the following:
- Getting Started with Arduino Hardware example
- Communicating with Arduino Hardware example
Required Hardware
To run this example, you must have the following hardware:
Step 1: Connect TX and RX Pins on Arduino Hardware
1. Connect your Arduino board to your computer using the USB cable.
2. Connect the TX1 pin to the RX1 pin of your Arduino hardware. This connection is a loopback connection.
Step 2: Configure the Model for Arduino Hardware
1. Open the Send and Receive Serial Data Using Arduino Hardware model. This model is configured to run in External mode.
2. To configure the model, click the Model Configuration Parameters button on the Simulink toolbar.
3. In the Configurations Parameters dialog box, select Hardware Implementation.
4. From the Hardware board list, select the type of Arduino board that you are using.
5. From the Groups list under Target hardware resources, select Serial port properties.
The Serial 1 baud rate parameter is set to
9600
. In this example, the baud rate of Serial 1 baud rate is set because the TX1 and RX1 pins correspond to the Serial port 1 of the Arduino hardware. If you are using any other serial port pins for communication, specify the baud rate of the corresponding serial port.6. Click Apply. Click OK to close the dialog box.
Step 3: Configure the Blocks in the Simulink Model
Double-click these blocks and verify the parameter values specified in the Block Parameters dialog box.
Note:
- Because the TX1 pin is connected to the RX1 pin, specify the Serial Port parameter of the
Serial Transmit
block and the Port number parameter of theSerial Receive
block as1
. - The Sample time parameter specified in the
Constant
block and theSerial Receive
block must be the same.
Step 4: Run the Model in External Mode
1. On the model toolbar, set Simulation mode to
External
.2. The default Simulation stop time is
10.0
seconds. To run the model for an indefinite period, enter inf
.3. Click Run. The lower left corner of the model window displays status while Simulink prepares, downloads, and runs the model on the hardware.
At each time step, the TX1 pin transmits the data specified in the
Constant
block to the RX1 pin of your Arduino hardware. The RX1 pin receives the data and displays it on the Display Output
block.4. Observe the output in the
Display Output
and Display Status
blocks.5. Disconnect the wire from the RX1 pin. Both the
Display
blocks now output 0
. A value of 0
in the Display Status
block indicates that no data is received at the given time step. If you reconnect the wire again, you can see that the values at the Display
blocks are restored.6. To stop running the model on your hardware, click Stop on the model toolbar.
Step 5: Run the Model in Normal Mode
1. Remove the wire connecting RX1 and TX1 pins because in this model, the data is sent to a serial terminal over the Serial port 0 (USB port).
2. Open the Send Serial Data to Host Using Arduino Hardware model. This model is configured to run in Normal mode.
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3. In the Configurations Parameters dialog box, go to Hardware Implementation > Target hardware resources > Groups > Serial port properties. Set Serial 0 baud rate to the maximum baud rate supported by the serial port of your Arduino hardware.
4. Double-click the
Serial Transmit
block and verify these parameter values.5. On the model toolbar, set Simulation mode to
Normal
and click the Deploy to Hardware button. The lower left corner of the model window displays status while Simulink prepares, downloads, and runs the model on the hardware.6. Open the serial terminal in your computer ( for example, Arduino IDE serial monitor). When logging in to the serial terminal:
- Specify the COM port number that corresponds to your serial connection. To learn how to find the COM port number, see Configure Host COM Port.
- Specify the baud rate to the same value as the baud rate set in the Model Configuration Parameters dialog box. In this example, the baud rate is
115200
.
After you login to the serial terminal, you can see that the counter values are displayed with label Counter_val :.
Other Things to Try
- Configure Send and Receive Serial Data Using Arduino Hardware model to exchange data over other serial ports of the Arduino hardware.
- Create a Simulink model that uses
Serial Receive
andSerial Send
blocks from Instrument Control Toolbox to exchange serial data between your computer and Arduino hardware.