Search found 1843 matches
- Tue Jul 06, 2021 4:44 pm
- Forum: General Discussion
- Topic: off grid solar project
- Replies: 14
- Views: 73465
Re: off grid solar project
Hi. Am happy to report two weeks ago finished my solar implementation; next energy invoices will be credits piling up monthly until winter heating comes. Not off grid, am on grid. That is my storage 'battery' Six 2 metres x 1 metre each 390W 40VDC 10A DC series string panels, twice on the roof make ...
- Tue Jun 22, 2021 5:25 pm
- Forum: General Discussion
- Topic: Help to find Battery
- Replies: 12
- Views: 12091
Re: Help to find Battery
Can you measure the cell in millimetres, to check if matches something in the market with the dimensional nomenclature ?
(18650 are 18mm diametre, 65.0mm length, red one) Greens are 'AA' and double lenght 'AA'
(18650 are 18mm diametre, 65.0mm length, red one) Greens are 'AA' and double lenght 'AA'
- Tue May 25, 2021 12:57 pm
- Forum: General Discussion
- Topic: Streaming question
- Replies: 10
- Views: 12211
Re: Streaming question
About 20 years ago, at my workplace, streaming hardware was made. Since then, 'streaming' to me is transmitting audio on the net. Now; the wording has been twisted as 'receiving' Well; back to the subject, this is the old original product from my workplace then; new versions have been developed : Fr...
- Fri May 21, 2021 1:14 pm
- Forum: General Discussion
- Topic: DIY pancake slip ring
- Replies: 16
- Views: 29846
Re: DIY pancake slip ring
Welcome. Get scissors ready and dig in here for the convincing ones ----> https://duckduckgo.com/?t=ffsb&q=rf+seal+berilium+copper+strips&iax=images&ia=images Or not DIY ----> https://www.ebay.com/itm/323973127204?_trkparms=ispr%3D1&amdata=enc%3AAQAFAAAAkNL6QxsVdDQrMgPE%2FCMnE9pKJJXW...
- Tue Feb 02, 2021 3:16 pm
- Forum: General Discussion
- Topic: Looking for power injector for amplified antenna...
- Replies: 6
- Views: 15088
Re: Looking for power injector for amplified antenna...
Well, whatever used to be a standard, now his booster uses 6VDC. Ask the chinese, I did not do it... :???: Seems the USB jack current is capable to please the antenna booster. I will not complain. Specs here show 6V/100mA ----> https://www.ebay.com/itm/192285092531?chn=ps&norover=1&mkevt=1&a...
- Tue Feb 02, 2021 7:31 am
- Forum: General Discussion
- Topic: Looking for power injector for amplified antenna...
- Replies: 6
- Views: 15088
Re: Looking for power injector for amplified antenna...
Hi Tzap. Thank you. :sad: The booster takes 6VDC. I have its correct adapter :sad: Decided to make my own; and added a USB male power cable to power it with the USB jack in the TV. Worked too on 5V. :eek: If can work better, I do not know, but will live with it. The second schematic here ----> https...
- Sun Jan 31, 2021 7:34 pm
- Forum: General Discussion
- Topic: Looking for power injector for amplified antenna...
- Replies: 6
- Views: 15088
Re: Looking for power injector for amplified antenna...
Thanks, Tzap.
That is the power supply + injector.
The injector only is like
That is the power supply + injector.
The injector only is like
- Sat Jan 30, 2021 7:36 am
- Forum: General Discussion
- Topic: Open door to robots count ?
- Replies: 1
- Views: 4612
Open door to robots count ?
Hi.
Just noticed what was not there yesterday. Huge numbers for 'views' of a post/thread.
What changed ?
Just noticed what was not there yesterday. Huge numbers for 'views' of a post/thread.
What changed ?
- Fri Jan 29, 2021 9:12 pm
- Forum: General Discussion
- Topic: Looking for power injector for amplified antenna...
- Replies: 6
- Views: 15088
Looking for power injector for amplified antenna...
Hi all. A TV antenna on the roof has a built-in preamplifier. Am looking for a power injector that will send 12V to the antenna and will separate the RF signal to feed the TV RF input. Do you have one behind the spider webs for sale ? Should have three ports; - Power in - connects to 12V supply - Po...
- Thu Dec 17, 2020 11:15 am
- Forum: General Discussion
- Topic: Is Nuts and Volts dead ?
- Replies: 114
- Views: 4027598
Re: Is Nuts and Volts dead ?
There is Nuts&Volts magazine; and Nuts&Volts forum. Death evaluation should be dealt by separate coroners.* In mid nineties, the trendy forums on the web were 'Popular Electronics' and something with Microsoft forums? and something else as ' Electronics Now' ? Those places harbored some (or ...
- Wed Dec 02, 2020 9:04 am
- Forum: General Discussion
- Topic: To read revolutions per second on multimeter ?
- Replies: 2
- Views: 4767
To read revolutions per second on multimeter ?
Hi. Cheap and not multimeters have the Hertz reading setting. Would like to implement a simple optical reader aiming a turning shaft with a black/white marking. Perhaps severing the optosensor half of an optocoupler, or a phototransistor, or even a tiny magnet glued to shaft, and a coil to the meter...
- Wed Nov 25, 2020 8:34 am
- Forum: General Discussion
- Topic: WAT IZZ IT?
- Replies: 13
- Views: 13585
Re: WAT IZZ IT?
----> https://www.wish.com/product/5ef9aaca241cc817e5e131ee?hide_login_modal=true&from_ad=goog_shopping&_display_country_code=US&_force_currency_code=USD&pid=googleadwords_int&c=%7BcampaignId%7D&ad_cid=5ef9aaca241cc817e5e131ee&ad_cc=US&ad_lang=EN&ad_curr=USD&a...
- Mon Nov 16, 2020 1:32 pm
- Forum: General Discussion
- Topic: Not-A-Fuse fuse?
- Replies: 7
- Views: 7372
Re: Not-A-Fuse fuse?
And you want that for alternating and direct current ?
- Mon Nov 16, 2020 7:08 am
- Forum: General Discussion
- Topic: telephone interface
- Replies: 3
- Views: 5545
Re: telephone interface
¿? Do you want to originate calls on your wireless cell service provider by using the landline hardware ? , or answering calls to your cell phone by lifting the landline handset ? Or reversed, use the landline to place and answer calls manipulating your ´smart' phone ? Landlines telephones use audio...
- Fri Nov 06, 2020 5:53 am
- Forum: General Discussion
- Topic: Ghosts
- Replies: 10
- Views: 9375