Passing the Time at Home

Accrete · Post by **Accrete** » Thu Mar 25, 2021 12:43 pm

New project - shed for the yard. Have spot picked out now need to prepare the spot.

Pretty soggy here to be thinking of outdoor projects.

Accrete · Post by **Accrete** » Thu Mar 25, 2021 12:44 pm

J. H. Rasmussen wrote: ↑Wed Mar 24, 2021 8:55 pm I'm currently creating a li-ion charger, it is a fun diy project

A li-ion charger needs to start by charging the battery with a constant current until it reaches the voltage it needs to be at. Then the constant voltage charging happens until the battery charges with less then 3% of its initial charging current, and the battery charging should stop..

How is your project going?

J. H. Rasmussen · Post by **J. H. Rasmussen** » Thu Mar 25, 2021 10:01 pm

Its going fine, almost finish with the current charging part, now i need to make a stable 8,4 volts voltage so the battery don't get over charged. I will build that with a LM393 comparator IC, a zener diode a resistor, and the mosfet IRF4905 that needs to output 8.4 volts. I'm using the IRF4905 because i have so many of them.

LMD · Post by **LMD** » Thu Mar 25, 2021 11:24 pm

J. H. Rasmussen wrote: ↑Thu Mar 25, 2021 10:01 pm Its going fine, almost finish with the current charging part, now i need to make a stable 8,4 volts voltage so the battery don't get over charged. I will build that with a LM393 comparator IC, a zener diode a resistor, and the mosfet IRF4905 that needs to output 8.4 volts. I'm using the IRF4905 because i have so many of them.

Sounds like Greek to me.

J. H. Rasmussen · Post by **J. H. Rasmussen** » Fri Mar 26, 2021 1:27 am

And i was trying to write Chinese, so i better go practice some more...

Guess electronics is not one of your bigger interest?

LMD · Post by **LMD** » Fri Mar 26, 2021 3:38 am

J. H. Rasmussen wrote: ↑Fri Mar 26, 2021 1:27 am Guess electronics is not one of your bigger interest?

I love electronics. I just don't want to have to understand the inner workings of most gadgets.

J. H. Rasmussen · Post by **J. H. Rasmussen** » Fri Mar 26, 2021 9:41 am

Some people just want their electronics to work

LMD · Post by **LMD** » Sat Mar 27, 2021 12:23 pm

Got the first fertilizing of the season down on the lawn yesterday, and was tempted to uncover and set up the outside furniture. But a quick look at 7-day forecast isn't showing much out-door sitting weather just yet. We're getting a dose of "April showers" in March, along with up and down temperatures for the next couple of weeks. It's been the driest march in a long time here so the trees, flowers that haven't yet peaked out of the ground just yet, along with the grass and shrubs need the rain.

No word on the order from TaylorMade yet.

I'm hearing stories online of orders being delayed from all manufacturers.

Colbyt · Post by **Colbyt** » Sat Mar 27, 2021 1:30 pm

J. H. Rasmussen wrote: ↑Wed Mar 24, 2021 8:55 pm I'm currently creating a li-ion charger, it is a fun diy project

A li-ion charger needs to start by charging the battery with a constant current until it reaches the voltage it needs to be at. Then the constant voltage charging happens until the battery charges with less then 3% of its initial charging current, and the battery charging should stop..

I must assume you are doing that for the challenge as they aren't all that expensive to buy.

Electronics is the one thing I never dabbled with.

J. H. Rasmussen · Post by **J. H. Rasmussen** » Mon Mar 29, 2021 10:54 am

It's just to create some fun projects for my self. However in this case, i made it because i needed a li-ion charger.

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