OpenEVSE

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OpenEVSE
Openevse.jpg
Name OpenEVSE car charger
Zone Infrastructure


Owner i3Detroit
Make Model OpenEVSE v4 and nodemcu
Part Number n/a
Date Acquired January 2015
Storage Location By the bay door
Authorization Required No
Status Running
Value $350
IP Address 10.13.107.80
MAC Address 2C:3A:E8:35:D9:7C
Hostname ESP_35D97C
Documentation https://openev.freshdesk.com/support/home

https://github.com/OpenEVSE/ESP8266_WiFi_v2.x#openevse-status-via-mqtt

Other References https://www.openevse.com/files/OpenEVSE_Plus_v4.pdf

https://dozuki-guide-pdfs.s3.amazonaws.com/pdf/openevse/guide_14_en.pdf https://openevse.dozuki.com/Guide/Testing+Basic+and+Advanced/12 https://openevse.dozuki.com/Guide/Serial+Communications+with+OpenEVSE/13

Intro

DIY car charger for the space. Built from a kit, works great.

Rules

Instructions

If there is garbage on the screen, reboot using the fuse box above the device

Maintenance Info

wifi module is running https://github.com/OpenEVSE/ESP8266_WiFi_v2.x/commit/53443e2075fa1c7b32db4b261981f7f82df47cf2 The value on line 133 of src.ino is chagned from 30000 to 120000 to lower the frequency of mqtt status updates

NB It needed to be compiled with this version of the ESPAsyncTCP library: https://github.com/me-no-dev/ESPAsyncTCP/commit/9b0cc37cd7bdf4b7d17a363141d2e988aa46652c

FAQ

MQTT Data Reporting

  • amp: reports Amps * 100
  • wh: reports Watt-seconds
  • state:
    • 1:"Not Connected"
    • 2:"EV Connected"
    • 3:"Charging"
    • 4:"Vent Required"
    • 5:"Diode Check Failed"
    • 6:"GFCI Fault"
    • 7:"No Earth Ground"
    • 8:"Stuck Relay"
    • 9:"GFCI Self Test Failed"
    • 10:"Over Temperature"
    • 254:"Sleeping"
    • 255:"Disabled"

ToDo

Maybe replace the i2c cable with something better. There are parts to build another one that has not been completed.