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getting started with electronics

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raynerd:
I don`t know what your like on the computer John, but I had great fun when I was introduced to digital electronics in the form of PIC microcontrollers: http://www.raynerd.co.uk/?cat=28   This is relatively expensive but if you order a PIC with it, it is everything you need other than a computer to hook it upto and you can make working circuits, flashing LEDs, electronic dice .... within hours! Lots of support on the net to help. Obviously the focus is on the programming but you can do a lot with just the basics. Once you have a running PIC you can build a circuit to run it off.

I have since gone and taken my Foundation and Intermeddiate HAM Radio exams and have learnt tonnes more on electronics from those but digitial electronics was certainly a good way to get normally tricky circuits built !

Good luck!
Chris

John Swift:
Hi Rob ,
             just wait 'till you start with surface mount components they do not hide on the carpet, but in it

my last planned project has been to service a 10 year old CL300 minilathe having decide to take up metal working
this christmas.
so far I have reverse engineered the speed control  in order to fix the two faults it had
the interlock relays buzzed a lot before latching and if you advance the speed control quickly
you had a burst of full power before running at the set speed.
if some one is interested i'll have a look at how i post a scan of the circuit diagram

I am now in the middle of fitting new roller bearings
one slight mistake I should have waited untill I  had the roller bearings before removing the ball races
now I will have to put one of the old bearings back in order to make two longer spacers .
the inner of the new bearings are setback by 1.25mm

since then my acer x221w monitor lost power to the fluorecent back light
with no service manual the first trick was to open it up !
once in side I decided to cheat as the transformer had over heated
I removed the transformer and any other components not required on  the combined power supply and lamp driver pcb.
 I  replaced the lot with a universal lamp driver of ebay

after that  the 29 year old tv developed  a fault in the video out put stages fixed with a new TDA2532 ic (new old stock)
now the switch mode power supply has stopped working , more bits on order

Hi craynerd
                      I have built ( or should that be assembled ) the pc I am using now
I would only call my self a computer user and not an expert
before I was distracted with other things I adapted some one elses program and programmed a pic chip to drive a stepper motor
I'll be back at square one when I get back to it again
                   

John Swift:
Hi Rob
         Just for fun have a look a " silicon zoo "  hidden artwork inside ic's
    or " tin whiskers "no not tins of whiskers cat food but the metal tin filaments that grow inside transistors and thigs
pictures can be found at vintage-radio.net and nasa goddard for starters

" quaraplex park " has old vt machines  some I have used but thats another story

John Swift:
oops I can not type very well that last bit should be    quadruplex park

Rob.Wilson:
Hi MrFluffy

Its not a bad kit ,,,  i think all in it cost about £30 ,,,,,,,,,,,, Dave will be shaking his head now  :lol: :lol: :lol:  ,,,, I have lots more now since i had a very large donation of components and test gear ,, more knobs and doodads than i no what to do with  :D :D

Hi John

Sounds like you have plenty on the go ,,,, What you planning on making on the lathe ?  Photos required  :worthless:   :) getting into metalwork  :thumbup:
This PIC stuff seams to be a must,,,,,,,,,, one day ,,,,i hope .

Regards Rob

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