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68 lines
2.4 KiB
Markdown
68 lines
2.4 KiB
Markdown
---
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title: "Visualise data from your device"
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aliases:
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- pybytes/dashboard.html
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- pybytes/dashboard.md
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- chapter/pybytes/dashboard/intro
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---
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In this section, we will explain how to create widgets for data visualisation and how to set up your device's dashboard on Pybytes.
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> We're assuming that you have already connected your device to Pybytes. In case you haven't, check how to [add your device here](../connect/). After you're done with that, you can proceed to the next example.
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## Step 1: Setup a Pymakr Project
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1. Create a project in Pymakr called `Pybytes_signals`, and add the following code to `main.py`. This python application will send data every 5 seconds to Pybytes.
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```python
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# Import what is necessary to create a thread
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import time
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import math
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# Send data continuously to Pybytes
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while True:
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for i in range(0,20):
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pybytes.send_signal(1, math.sin(i/10*math.pi))
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print('sent signal {}'.format(i))
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time.sleep(10)
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```
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2. Press *Upload* button to upload the code into your device.
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>Note that if you have a Pytrack or Pysense expansion board, you could also sent sensor data instead!
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## Step 2: Add a signal from your device
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1. Go to the [Pybytes device](https://pybytes.pycom.io/devices) page select your device.
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2. Then go to `Signals` tab and click on *define new signal*
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## Step 3: Add a widget for the signal
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1. Click on the *signal card* of the selected device.
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2. Click on the *Create a new display* button.
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3. Select the type of visualisation (e.g. bar chart or line graph).
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4. You can adjust the parameters of your widget at `Settings`. After, click on the button `Create`.
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Your widget was created. Now, add your widget to your device's dashboard. Click on the button `Edit` on your widget, and mark the checkbox `Display on Dashboard` at `Settings`. Finally, click on the button `Save`.
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Click on the `Dashboard` tab. Your widget was successfully added there!
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## Done!
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Now you've learned how to set up your device's dashboard to display data. Also, you can add more widgets to your device's other signals.
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