Month: August 2022

Controlling Lights from an eRVin Terminal Window

This post is for those of you that are eager to explore the inner workings of coachproxy/eRVin. And potentially for those of you that have a coach for which an eRVin configuration does not already exist and you need to create a ‘map’ of what commands are required to control individual lights. A prerequisite to this post is that you have access to your eRVin Raspberry Pi (RPi) desktop, learn how to do that here.Learn More

Configuring Alexa Account Info (eRVin v0.6x and up)

This post will describe how to configure Alexa capability in eRVinOS v0.6x and newer using Virtual Smart Home an Alexa skill that interfaces with eRVin. The configuration involves installing the skill in the Alexa app, then linking the skill by entering your Amazon account info into the appropriate Alexa “nodes” in eRVin via node-red. This is a one time task, that when complete, will provide reliable integration between Alexa and your RV lights (and downLearn More

Finding eRVin’s IP Address

If typing coachproxyos into a browser does not connect you to eRVin, make sure you are connected to the same network that the eRVin device is connected to. If that checks out ok, then you will need to look for the eRVin IP Address on your local network and use that instead. There are many ways to do this: If you are familiar with the operation of your router, you can connect to it andLearn More

eRVinOS Image v0.5x vs. v0.6x

Summary: At this time there are two primary image versions, v0.5x and 0.6x. Bottom line, v0.6x and above has a new and superior Alexa integration, but requires some end user configuration, whereas v0.5x does not require end user configuration, but in all probability the Alexa integration will not work due to ongoing changes in the Amazon infrastructure. Technical Details: Both versions are based on the original CoachProxy, but in both versions the eRVinOS has beenLearn More

Archive: Installing an eRVin Software Image with Balena Etcher

WARNING: If you already have a running eRVin or CoachProxy system DO NOT overwrite the existing SD card! Purchase a new card (they are cheap), that way you can easily revert to the original should something go wrong.   In addition to the image file you will need the following: An 16gb or larger Class 10 micro SDHC card. An 8gb card should work but we recommend a 16gb card to provide for future expansion.Learn More

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