Author Topic: My first electronics project. ( study )  (Read 188 times)

Offline Yue

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My first electronics project. ( study )
« on: November 25, 2017, 07:32:58 PM »
 :-X :-X


Learning new things.


The teacher says that the important thing is to learn how a scheme works, the work involves a single led, but I have put another one and it works.


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Offline Goodlookinguy

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Re: My first electronics project. ( study )
« Reply #1 on: November 25, 2017, 08:13:10 PM »
9v battery
1K Ohm Resistors
Potentiometer
555 Timer
100 micro farads electrolytic capacitor
LEDs

That's a lot to take in for a first project. The first projects I did weren't nearly as complicated. I'm wondering what the original was before you modified it.
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Offline Yue

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Re: My first electronics project. ( study )
« Reply #2 on: November 25, 2017, 09:38:41 PM »
I'm in trial and error, I have managed to get a simple led to light, after burning several and understand that I need a 1k resistor to not burn.

I don't know if it's easy or not, this is a real challenge, the idea is that the two bulbs will shine like a christmas extension.   :-\ :-\
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Offline ThickO

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Re: My first electronics project. ( study )
« Reply #3 on: November 25, 2017, 10:15:42 PM »
ahh the old tried and true 555 timer.
 I would have thought they would have given you
a lesson in  transistors before using this.
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Offline Yue

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Re: My first electronics project. ( study )
« Reply #4 on: November 25, 2017, 10:29:19 PM »
ahh the old tried and true 555 timer.
 I would have thought they would have given you
a lesson in  transistors before using this.

They just gave us the list of materials, and the map of the circuit. The remainder is paid by the apprentice. The next class will explain the use of that transistor to us.
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Offline Yue

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Re: My first electronics project. ( study )
« Reply #5 on: November 26, 2017, 01:34:15 AM »
I have square eyes, and this has finally worked.

The learning process tends to be somewhat tortuous when you don't know things, then it becomes much more enjoyable.
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Offline iWasAdam

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Re: My first electronics project. ( study )
« Reply #6 on: November 26, 2017, 07:02:29 AM »
Yep, been through that and really enjoyed it. especially that strange burning smell when it all goes wrong ;)
As a kid I was always blowing the power to the house. What happens when you plug a led into the mains - FLASH, BANG! "What have you done now?"

555 timer chip is great to start with.

Just wait till you get to logic chips. I love them ;)

Offline steve_ancell

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Re: My first electronics project. ( study )
« Reply #7 on: November 27, 2017, 11:40:27 PM »
Congrat's on your fisrt project Yue. Have you tried Arduino?, it's quite fun.

Offline 3DzForMe

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Re: My first electronics project. ( study )
« Reply #8 on: December 05, 2017, 07:53:31 PM »
Aaah, the 555 timer, takes me back to a little prototyping board I put together umpteen years ago, on the side of an old speaker, no expense spared ;) - can you spot the 555 timer:




Well done on your first project with a 555 Yue ;)

happy coding ;)