Difficulty
Moderate
Steps
8
Time Required
- OpenEVSE WiFi (Beta) 8 steps
In Progress
This guide is currently being written. Reload periodically to see the latest changes.
Quiz
0
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Setup Free account at: OpenEVSE Energy Monitoring
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Enter Username, Email and Password to register for an Account.
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On the account screen copy your Write API Key.
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Remove the minimum load resistor (if installed) R28 on the OpenEVSE board v2.5, 3, and 4. Connect the cable to the OpenEVSE Board and Wifi Module.
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The header is the common FTDI format.
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Pin 1 - Ground (Black)
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Pin 3 - 5v (Red) - 75ma max Higher power devices must use external power.
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Pin 4 - Recieve (Yellow) connects to transmit on the remote device.
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Pin 5 - Transmit (Green) connects to receive on the remote device.
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Because both boards use the same pin-out pin 5 and pin 5 must be crossed so transmit on one board connects to receive on the other.
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Use alcohol pad to clean enclosure at the desired mount location. When dry remove the plastic on the high temp industrial double sided tape and attach WiFi module to enclosure.
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WIth a phone or laptop connect to WiFi network.
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SSID: OpenEVSE
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Password: openevse
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Once connected use a web browser to configure the WiFi Module:
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Address: 192.168.4.1
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Enter the SSID and Password of YOUR access point.
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Enter the Write API Key from Step 1 for the Energy Monitoring (EMON) Key.
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Click Submit.
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The Wifi Module will now try to connect to your Wifi Network.
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If the WiFi module can not connect it will start up in Configuration mode as "OpenEVSE" again.
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Go back to OpenEVSE Energy Monitoring
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Select Inputs - The Inputs section should now display live data from OpenEVSE.
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Inputs from other sensors can be included such as additional current, temperature, humidity, voltage etc. See Open Energy Project
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Inputs displays live data from the sensors. This data is not stored, logged or archived.
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Feeds take data from the inputs and logs the data to the database. Feeds can also manipulate the data before logging.
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Example you can take a volt feed and multiply a current feed to log a KwH value.
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Create a Feed for each Input you wish to log. Click the Wrench icon on the right side of the Inputs page.
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Energy Data from OpenEVSE is slowly changing. To avoid unnecessary data usage change log intervel to 60s.
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Tip - Add a feed for max value of temperature sensors (if Installed).
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Dashboards display data logged from the feeds. You can create as many dashboard views as you wish.
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Click on the + icon to create your first Dashboard.
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The name can be edited by clicking on the pencil icon.
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Select Widgets > Dial
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Click on grid to place the dial. Move, re-size and adjust as desired.
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Click "Configure"
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Select Feed - Set Max Value - Set Units - Pick Type
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Click on Visualizations > Rawdata. Click on the grid to add click then Configure.
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Select Feed, Color and Units
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Move and scale as desired.
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