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OpenEVSE WiFi (Beta)

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Featured Guide

This guide has been found to be exceptionally cool by the site's staff.

Guide to set up OpenEVSE WiFi and Energy Monotoring

Edit Step 1 Setup account at OpenEVSE Energy Monitoring site  ¶ 

Image 1/2: Enter Username, Email and Password to register for an Account. Image 2/2: If using a generic ESP8266 or Huzzah Module  without the OpenEVSE Wifi Firmware pre-loaded. Load firmware.

Edit Step 1 Setup account at OpenEVSE Energy Monitoring site  ¶ 

Edit Step 2 Connect Wifi Module to OpenEVSE board  ¶ 

Image 1/3: 2) Connect the power and data header (4 of 6 wires) to the Wifi Module. Image 2/3: '''Pin 1''' - Ground (Black)  '''Pin 3 '''- 5v (Red) - 75ma max (higher power devices must use external power.) '''Pin 4 '''- Recieve (Yellow) connects to transmit on the remote device. '''Pin 5 '''- Transmit (Green) connects to receive on the remote device. Image 3/3: 3) Connect the data only header (2 of 6 wires) to the OpenEVSE Board.

Edit Step 2 Connect Wifi Module to OpenEVSE board  ¶ 

  • 1) Connect the Red (+) lead of UBEC Power module to the +12v header labeled RELAY 1/2 Common . Connect the Black (-) lead to Ground.

  • 2) Connect the power and data header (4 of 6 wires) to the Wifi Module.

    • Pin 1 - Ground (Black) Pin 3 - 5v (Red) - 75ma max (higher power devices must use external power.) Pin 4 - Recieve (Yellow) connects to transmit on the remote device. Pin 5 - Transmit (Green) connects to receive on the remote device.

  • 3) Connect the data only header (2 of 6 wires) to the OpenEVSE Board.

    • Green to RX , Yellow to TX (TX on WiFi goes to RX on board, RX on WiFi goes to TX on board)

  • 4) Mount the WiFi unit by using an alcohol pad to clean the enclosure at the desired mount location. When dry remove the plastic on the high temp industrial double sided tape and attach the WiFi module to the enclosure.

Edit Step 3 Setup WiFi to connect to your network  ¶ 

Image 1/1: Navigate to Setup => Device Setup Click the Pencil icon to edit. Set Name, Description, Node (0-9), Type "OpenEVSE" and copy your Device Key.

Edit Step 3 Setup WiFi to connect to your network  ¶ 

  • With a phone or laptop connect to http://data.openevse.com/emoncms/.

    • Navigate to Setup => Device Setup Click the Pencil icon to edit. Set Name, Description, Node (0-9), Type "OpenEVSE" and copy your Device Key.

  • Once device is setup connect to OpenEVSE WiFi to configure the WiFi Module:

    • SSID: OpenEVSE --- Password: openevse

    • Address: 192.168.4.1 Default Username: admin Password: openevse

    • Enter the SSID and Password of YOUR access point.

    • Enter the Device Key, Node (0-9) and set

    • Click Submit.

Edit Step 4 Setup Energy Monitoring -- Feeds (Automatic)  ¶ 

Image 1/2: Navigate to Setup => Device Setup Image 2/2: Click the Paper Icon to Initialize the Device.

Edit Step 4 Setup Energy Monitoring -- Feeds (Automatic)  ¶ 

  • To automatically Setup Inputs and Feeds:

    • Navigate to Setup => Device Setup

    • Click the Paper Icon to Initialize the Device.

    • Click Initialize to confirm.

  • Inputs and Feeds should now be setup.

Edit Step 5 Energy Monitoring -- Inputs  ¶ 

Image 1/1: If the WiFi module can not connect it will start up in Configuration mode as "OpenEVSE" again.

Edit Step 5 Energy Monitoring -- Inputs  ¶ 

  • The Wifi Module will now try to connect to your Wifi Network.

    • If the WiFi module can not connect it will start up in Configuration mode as "OpenEVSE" again.

  • Go back to OpenEVSE Energy Monitoring

    • Select Inputs - Navigate to Setup => Inputs. The Inputs section should now display live data from OpenEVSE.

    • Inputs from other sensors can be included such as additional current, temperature, humidity, voltage etc. See Open Energy Project

  • Inputs displays live data from the sensors. This data is not stored, logged or archived.

Edit Step 6 Email Notifications (optional)  ¶ 

Image 1/2: Example 1 - Send E-mail when Charging is complete. Add the values in the red box to the OpenEVSE_AMP input. Logic: If the value is changing and now equals 0 then send an Email. If not Goto the end "99". Image 2/2: Example 2 - Send E-mail every 5 minutes when temperature exceeds 65C. Add the values in the Blue box to the active Temp input. Logic If temperature is greater than 65C and 300 seconds have passed (5 minutes) Send an Email with the current temperature.

Edit Step 6 Email Notifications (optional)  ¶ 

  • The OpenEVSE energy monitoring server supports powerful input processing and can send E-mails bases on flexible logic.

  • Example 1 - Send E-mail when Charging is complete. Add the values in the red box to the OpenEVSE_AMP input. Logic: If the value is changing and now equals 0 then send an Email. If not Goto the end "99".

  • Example 2 - Send E-mail every 5 minutes when temperature exceeds 65C. Add the values in the Blue box to the active Temp input. Logic If temperature is greater than 65C and 300 seconds have passed (5 minutes) Send an Email with the current temperature.

Edit Step 7 Setup Energy Monitoring -- Dashboards  ¶ 

Image 1/2: Click on the + icon to create your first Dashboard. Image 2/2: The name can be edited by clicking on the pencil icon.

Edit Step 7 Setup Energy Monitoring -- Dashboards  ¶ 

  • Dashboards display data logged from the feeds. You can create as many dashboard views as you wish.

  • Click on the + icon to create your first Dashboard.

  • The name can be edited by clicking on the pencil icon.

Edit Step 8 Setup Dashboard - Dial  ¶ 

Image 1/3: Click on grid to place the dial. Move, re-size and adjust as desired. Image 2/3: Click "Configure" Image 3/3: Select Feed - Set Max Value - Set Units - Pick Type

Edit Step 8 Setup Dashboard - Dial  ¶ 

  • Select Widgets > Dial

  • Click on grid to place the dial. Move, re-size and adjust as desired.

  • Click "Configure"

  • Select Feed - Set Max Value - Set Units - Pick Type

Edit Step 9 Setup Dashboard - Rawdata  ¶ 

Image 1/3: Select Feed, Color and Units Image 2/3: Move and scale as desired. Image 3/3: Save Changes

Edit Step 9 Setup Dashboard - Rawdata  ¶ 

  • Add Rawdata charts for current and temprature. Click on Visualizations > Rawdata. Click on the grid to add click then Configure.

  • Select Feed, Color and Units

  • Move and scale as desired.

  • Save Changes

Edit Step 10 Setup Dashboard - Add text and Feed Values  ¶ 

Image 1/1: Feed values can be displayed. Click Widget > Feedvalue

Edit Step 10 Setup Dashboard - Add text and Feed Values  ¶ 

  • Add Text Labels

  • Feed values can be displayed. Click Widget > Feedvalue

You're Done!

One Comment

Step 2.2 has pins 4 and 5 reversed on the picture. I believe the description on the step on the right side is correct. The actual shipped connector has them in this sequence: BLACK, RED, GREEN, YELLOW. On your pic it's ...YELLOW, GREEN.

Alex Zonin - Reply