EcoRenovator  

Go Back   EcoRenovator > Search Forums
Advanced Search
 


Blog Register 60+ Home Energy Saving Tips Recent Posts Search Today's Posts Mark Forums Read


Showing results 1 to 25 of 500
Search took 0.04 seconds.
Search: Posts Made By: NiHaoMike
Forum: Solar Power Yesterday, 08:30 PM
Replies: 4
Views: 111
Posted By NiHaoMike
The nice part about not exporting to the grid is...

The nice part about not exporting to the grid is that it avoids the problems with exporting to the grid. In practice, the chances of a grid tie inverter powered from a varying source like solar...
Forum: Solar Heating Yesterday, 02:28 PM
Replies: 1
Views: 50
Posted By NiHaoMike
This is a DIY site. Learn how to build it...

This is a DIY site. Learn how to build it yourself - it will be cheaper and you will learn a lot.
Forum: Solar Power 12-04-19, 10:23 PM
Replies: 4
Views: 111
Posted By NiHaoMike
No, the inverter works by sourcing a current to...

No, the inverter works by sourcing a current to offset the load current, more like "blending" than "switching". For example, if the load is drawing 10A, the inverter will supply 10A to offset it. (In...
Forum: Solar Power 12-03-19, 11:39 PM
Replies: 4
Views: 111
Posted By NiHaoMike
PV inverter from Prius inverter

I'm looking to build a bigger solar power system, with thermal storage. Since going full grid tie is a bit involved, I'm planning to make it "zero export" with limited battery storage instead....
Forum: Tools 11-27-19, 07:59 PM
Replies: 6
Views: 712
Posted By NiHaoMike
Dave Jones of EEVblog just reviewed a cheap bench...

Dave Jones of EEVblog just reviewed a cheap bench PSU.
https://www.youtube.com/watch?v=0qjLx_HsKUQ
Forum: Solar Heating 11-20-19, 08:48 AM
Replies: 1
Views: 114
Posted By NiHaoMike
If it's city water, it will have chlorine added...

If it's city water, it will have chlorine added specifically to prevent that problem.
Forum: Renovations & New Construction 11-18-19, 08:57 AM
Replies: 1
Views: 81
Posted By NiHaoMike
DIY one out of a window A/C and coax coil heat...

DIY one out of a window A/C and coax coil heat exchanger.
Forum: Solar Power 10-30-19, 11:42 PM
Replies: 72
Views: 48,789
Posted By NiHaoMike
That voltage is right in the range to run a...

That voltage is right in the range to run a switching power supply from. Just add a connector to allow easy connection if needed.

Most likely the easiest/cheapest way to build a power tap device...
Forum: Geothermal & Heat Pumps 09-16-19, 09:29 PM
Replies: 4
Views: 495
Posted By NiHaoMike
Pretty much all ECM pumps are designed to be...

Pretty much all ECM pumps are designed to be variable speed.
Forum: Appliances & Gadgets 08-24-19, 02:33 PM
Replies: 39
Views: 2,399
Posted By NiHaoMike
You'll have to short the data lines to each other...

You'll have to short the data lines to each other to signal fast charging and adjust the voltage to a bit above 5V, probably 5.2V or so would be ideal. Also, if you're putting USB-C sockets on the...
Forum: Appliances & Gadgets 08-22-19, 08:35 PM
Replies: 39
Views: 2,399
Posted By NiHaoMike
Just one fuse at the battery is all you need for...

Just one fuse at the battery is all you need for your setup. If it's still 15W, a 7.5A or 10A fuse will give plenty of margin.
Forum: Other Improvements 08-22-19, 08:32 PM
Replies: 5
Views: 349
Posted By NiHaoMike
12V bilge pumps are very common and quite cheap.

12V bilge pumps are very common and quite cheap.
Forum: Appliances & Gadgets 08-04-19, 08:43 PM
Replies: 39
Views: 2,399
Posted By NiHaoMike
Just build a dual comparator circuit with one...

Just build a dual comparator circuit with one output to trigger around 3.15V and another around 3.45V. That will give an easy indication of low and high charge. If you want more accuracy, you'll have...
Forum: Appliances & Gadgets 08-02-19, 08:33 PM
Replies: 39
Views: 2,399
Posted By NiHaoMike
It's a 555 in an adjustable duty cycle...

It's a 555 in an adjustable duty cycle configuration driving a buck converter.
Forum: Appliances & Gadgets 08-01-19, 09:14 PM
Replies: 39
Views: 2,399
Posted By NiHaoMike
From my experience, that sort of simplistic MPPT...

From my experience, that sort of simplistic MPPT controller is not very good and a 555 will be way better.

At 20W and low voltage, it would probably make sense to build your own solar panel. Go...
Forum: Appliances & Gadgets 08-01-19, 01:03 AM
Replies: 39
Views: 2,399
Posted By NiHaoMike
From a quick search, it looks like 1S LiFePO4 BMS...

From a quick search, it looks like 1S LiFePO4 BMS boards are hard to come by, but 4S LiFePO4 BMS boards are really common. If the 4 cells are closely matched, you can just go for a 4S pack, would...
Forum: Solar Power 07-12-19, 11:24 PM
Replies: 4
Views: 433
Posted By NiHaoMike
I think they're referring to the white plastic...

I think they're referring to the white plastic covering the back side of the panel for electrical insulation. No idea why it's white, since making the back side black would help to radiate heat. (I'm...
Forum: Solar Power 07-03-19, 09:12 PM
Replies: 55
Views: 49,509
Posted By NiHaoMike
Looks like someone finally built a working proof...

Looks like someone finally built a working proof of concept!
https://www.youtube.com/watch?v=R_g4nT4a28U
Forum: Appliances & Gadgets 04-18-19, 06:51 PM
Replies: 5
Views: 750
Posted By NiHaoMike
Add a drop of threadlock glue to stop it from...

Add a drop of threadlock glue to stop it from coming out again.
Forum: Other Improvements 02-07-19, 07:25 PM
Replies: 15
Views: 1,732
Posted By NiHaoMike
Read up on how relative humidity works and...

Read up on how relative humidity works and therefore why HRVs do work as dehumidifiers during the winter.
Forum: The Billiards Room 02-04-19, 10:31 PM
Replies: 7
Views: 1,105
Posted By NiHaoMike
Another option that recently came out is the...

Another option that recently came out is the ESP32 camera.
https://hackaday.com/2019/02/02/cheap-esp32-webcam/
Forum: Conservation 01-16-19, 09:27 PM
Replies: 4
Views: 812
Posted By NiHaoMike
Just leave it in heat pump mode.

Just leave it in heat pump mode.
Forum: Tools 01-07-19, 09:25 AM
Replies: 8
Views: 1,241
Posted By NiHaoMike
I don't have a TS100 yet, but several of my...

I don't have a TS100 yet, but several of my friends like them. The best battery to use is a 5S or 6S pack with built in BMS, for example external battery packs for laptops and power tool batteries.
...
Forum: Conservation 01-02-19, 07:01 PM
Replies: 6
Views: 871
Posted By NiHaoMike
Find a used UPS that takes a single 12V battery...

Find a used UPS that takes a single 12V battery and just connect it.
Upgrade your UPS! (with some car batteries...) (http://dansdata.com/upsupgrade.htm)
Forum: Tools 12-27-18, 11:11 PM
Replies: 8
Views: 1,241
Posted By NiHaoMike
TS100 is a great choice and easily runs from...

TS100 is a great choice and easily runs from batteries for portability.
Showing results 1 to 25 of 500

 
Forum Jump

All times are GMT -5. The time now is 01:12 PM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2019, vBulletin Solutions Inc.
Ad Management by RedTyger
Inactive Reminders By Icora Web Design