I had a question I could really use some help with.
I work on Commercial Properties. We have been having some light fixtures blow, and been having an electrician come and replace them when they do. As you know that can add up over time.
So I decided to take a look at what has been done in the...
Anyone know of a decent (and cheap) WIFI switch powered by 230V AC, but with isolated switch contacts?
I've used Sonoff BASIC R2 for a few things, but these only give a switched 230V output.
Im trying to make a Star Wars Prop for a course project where the dealine is comming up very fast in days and I need to do the report so really urgent
On the prop whihc is a portable control box Dual control box (Left side control panel, a tower in the middle and a right side control panel
On...
New batteries ... There is a dimmer attached to the light circuit . Full power its fine .turn down , light flashes , volt meter LEDS dance up and down. 2 x dimmers tried .
So earlier this year I obtained a large machine with a couple of 3 phase motors in it, and the rest single phase. I bought a VFD, correctly wired it up, and while the machine ran with some functions, it also reported "undervolt at source"
I had bought a VFD with a maximum output of 380 volts...
Hi, go easy on me please, I've just returned to the trade, well I am about to, I received my Gold Card last Thursday.
I've been gen'ing up for a couple of weeks going through the regs book, watching some fantastic youtube videos, and working through cable calcs and looking at products and...
Hi guys. I was a commissiong technician before I retired. Hardware and software industrial automation. Miss the work but not the endless travel/ airports hotels etc. Those that know, know what I mean.
I retired to Thailand 220 - 240 volt single phase 50 hertz supply here. Im used to 3 phase or...
Hi all,
I have an unusual issue with a recent rewire I have just completed which I hope you guys can assist with.
For background, this is a complete strip out and rewire of a domestic property (bungalow) with an unusual but appropriate reference method.
For this rewire, due to the fact that it...
I have a loading arm on a vehicle powered by a hydraulic motor powered by a 12 volt motor. The motor is initiated by proximity switches on the hydraulic spool valves. In normal use the dedicated crane battery is charged via a split charge relay from the vehicles alternator between destinations...
Dear Sir,
I'd build a simple voltage divider charger with 1 Amp diode from 4.8 AC - DC adapter (500 ma - output volatge - 4.15Volt) to charge my two AA battery.
My Battery finished charged was 1.25 (Sony 4600mAh), but it can only be used within half day.
I suspect It may not enough...
The above picture was taken at the festival of Britain and it shows a BTH bulk oil breaker, for me this represents the development of the super grid and how Britain was able to assist the world in developing higher transmission voltages.
These units are still in service and in only a few years...
Trying to power led work lights on a piece of Farm machinery. Only have a 6volt trigger coming from the control box for the work lights. Is this enough to trigger a 12v relay?
I need help knowing what kind of schottky diode to use to wire parallel 9 volt batteries to make a really long lasting battery. I want to wire together like 9 of them. is it possible?
I have a 3 phase element for a steam generator but the element is a 220 volt element. the diagram is in Chinese which i cant read. on the diagram it shows three phase delta connection for 380v and three phase star connection for 220 volt with a neutral connected to the star point. My question is...
I bought a used golf cart a few days ago which had their batteries replaced last year. They hooked up an am/fm radio to it and it worked fine when you flip a separate switch. There is a “Tow” switch by the batteries that I was told to switch it to when not using the cart so there wouldn’t be any...
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