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  • Does Solar Pay for Itself? Is it worth it?

    I got curious today as to how much solar electricity our panels have actually produced, at what cost, compared to the production guarantees and projections on the Solar City lease. Not sure if this will be interesting to any one, it is little different than the typical cost benefit analysis as...
  • Energy Efficiency vs. Throwing Money at a problem

    I understand this forum is for DIY Solar, I hope its OK to go off topic a little for educational purposes. This comparison is based on Nat Gas usage. This post is mostly aimed towards new forum members and anyone who is lurking and/or here still learning. Long time forum members and contributors...
  • Flooid Cascading Heat Pumps

    Found this on YouTube regarding multi-cascading heat pump technology for extended temperature range operation.
  • Eliminating Parasitic BMS Loads from Always-Energized Golf Cart Contactors

    Am I the only one who wants to replace a wasteful, always-energized, golf cart type contactor with something else to eliminate the parasitic load? The stand-by current draw on a 200A contactor is 111mA while a 400 contactor uses a massive 345mA 24/7. Do the math for 30 days and it turns out to...
  • Node-Red Dashboard 2 & Remote Red iPhone App with XW+ ComBox

    No questions or important content, just a couple of screen shots of NODE-RED Dashboard 2 gauges displaying values from a Schneider XW+ via ComBox. Also, a pic of Remote Red on my iPhone showing the dashboard gauges. Not sure how useful this is, was only a test to see if it would work. Being...
  • Cloud Lensing

    Just noticed we are getting some serious cloud lensing today. I'm seeing peaks at 4.6kW being pushed out to the grid. This is excess production on top of the 1.2kW that the house is using. Its 100% of the STC rating of both AC coupled grid-tie systems. Kind of interesting considering the Solar...
  • Premium Ring & Fork Terminal Kits

    Got fed up with CHEAP, CRAPPY ebay crimp terminal kits. Did a web search for better products and didn't like what I found. Decided to make my own premium, monster kits with all the available sizes. These are solid copper, tin plated ring terminals, 1190pcs and fork terminals, 650pcs. They are...
  • Indiegogo Solar Energy System

    Just saw this on Indiegogo a few minutes ago. https://www.indiegogo.com/projects/pex-series-the-most-powerful-home-energy-system?utm_medium=email&utm_source=cordial&utm_campaign=230412_CG_2023-04-12#/
  • Schneider Modbus communications using Pymodbus vs. Node-Red

    Wanted to throw this out to the form for comments and suggestions. Node-Red for Modbus communications has been discussed in the recent past, more specifically with regard to Schneider InsightHome or the ComBox. Thanks to those that posted step by step instructions, I was able to get a RPi 3B+...
  • Franklin LFP AC coupled battery/Inverter back up system

    https://www.franklinwh.com/ I was just watching a Solar Surge YT video discussing the Franklin Whole House battery/Inverter back up system. Seems to be a fairly new product that was announced in Jan of this year. Did a quick review of the specs and manual online. Looks like a nice addition to...
  • JK-B2A24S Active Balancer firmware upgrade?

    I did a few searches before posting but didn't find anything relevant. I'm using a JK-B2A24S Bluetooth balancer and the Start Balance Voltage setting is fixed at 4.20V and cannot be changed. This feature is obviously disabled since balancing occurs at all voltages when the slider is ON. I...
  • Monitoring ZEVA BMS CAN Bus Data with an RPi 3B+/PiCAN Duo

    Hello all, Couple of years ago I built a DIY 48V battery () and decided on a ZEVA BMS. Unfortunately, it only has CAN bus to communicate with a local color touch screen. I wanted to view the data on my home network via ethernet. Using a RPi with a PiCAN Duo it was easy enough to intercept the...
  • PV Panel Comparison from YT

    This YT video is about 6 months old. May have been posted previously but I just watched it, apologies if its redundant. Thought it was well done especially the comparison of STC efficiency vs. NMOT values vs. sq ft of panel area. Also the discussion of temp coefficient and lifetime degradation...
  • Node-Red with Schneider ComBox and InsightHome on a XW+ 6848

    First, a quick shout out and thank you to all who posted so much excellent info about setting up Modbus & Node-Red with Schneider InsightHome/Gateway/ComBox. Especially n2aws, 400bird, GXMnow, you guys really helped make it possible. Otherwise I was totally lost. So far I've just set up a...
  • Schneider XW Pro Troubleshooting, new features & set up video on YT

    Schneider posted a video on YT earlier today with some good information regarding general troubleshooting tips and more importantly discussion of new features and firmware updates to fix some bugs and issues users have posted about. Its long overdue. Good to see Schneider starting to wake up and...
  • Schneider InsightHome backwards compatibilty with XW+, Not So Much

    I'm so disappointed in the InsightHome, I've resisted the urge to make this into a rant, so here are the sad facts with limited commentary. Background: ComBox had some kind of malfunction and would not accept the login password which has been the same for 5 years. Got lucky and was able to...
  • Stand Alone 5A Bluetooth JK BMS Missing B+ Pwr input

    This goes in the category of just a comment or maybe useless information, you decide. Couple of years ago I purchased the 2A, 5A & 10A version of the stand alone Bluetooth active balancers from JK BMS. While working on a setting up a new BMS-Balancer combination I pulled out the 5A model and...
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