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Just a simple question for the experts I'm sure...

i12i

Just wondering how I could easily identify these parts in the picture, what they would be best used as, what tools needed to make sure they work, and their worth. google seems to help sometimes but other times I will get random results (addresses, stuff like info on microchipped animals, and links to purchase)  from the things I enter. also I would like to know if scavenging is worth the time, effort and investing into better tools. Also thanks in advance for the answers.

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    It is very unlikely that trying (very hard) to use these parts is worth the effort.

     

    Usually electronic design proceeds along a path like:

     

    1     Work out what you want to do

    2     Work out how to do it

    3     Work out what parts you need

    4     Get the parts

    5     Build the thing

    6     Test it, going back to step 2 (and sometimes 1) as required.

     

    Starting at step 4 is not normally recommended.

     

    You can learn a bit for messing with odd bits and one or two may be generally useful - you just have to Google all the numbers on the package and for some of them you'll find a data sheet that matches up with the part you have in your hand. As far  as tools are concerned you need the usual, lab bench power supply with adjustable voltage and current limits, DMM, scope and a signal generator (you can make the last one).

     

    MK