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Blog What are the most important parts to have in your electronics kit?
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  • Author Author: baldengineer
  • Date Created: 29 Jul 2020 4:44 PM Date Created
  • Views 10425 views
  • Likes 12 likes
  • Comments 45 comments
  • parts
  • electronics kit
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What are the most important parts to have in your electronics kit?

baldengineer
baldengineer
29 Jul 2020

This weekend I went to build a circuit for use in an upcoming video. There were two components I was confident that were in my parts kit: a 555 timer and a counter. Now, I did not know which counter I had, but I assumed I must have at least one decade counter in my pile of ICs. Imagine my surprise when I realized that I had no 555 timers and only a single type of counter. And that counter was a johnson-counter designed to drive common cathode 7-segment displays. To make things worse, the only 7-segment displays I have were common anode!image

 

Thinking about all the various types of components, I started to wonder, what else should I check to see if I have in stock? Passives like capacitors or resistors seem like an easy one. But what values? Are inductors critical? If so, what kind? And then when it comes to ICs, what are ones people are still commonly using?

 

So, two questions for the community:

What are the top 5-10 parts you keep your electronics kit?

 

Related to that idea, what about consumables such as solder, cotton swabs, and tape?

What electronics consumables do you keep on-hand?

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Top Comments

  • rjhelms
    rjhelms over 6 years ago in reply to baldengineer +9
    This is close to what I was thinking! I think a barebones kit can get away without inductors, for most people. For resistors and caps, the E3 series (or even just an "E2" series of just 1.0 and 3.3) across…
  • baldengineer
    baldengineer over 6 years ago +7
    Here are some things I have thought of so far: Resistors 100 and 470 ohm 1K, 10K, 100K Zero ohms? Capacitors Ceramic or Film 20-24 pF 0.01 uF, 0.1, uF and 1 uF Ceramics Electrolytic 10, 100, 1000 uF (various…
  • dougw
    dougw over 6 years ago in reply to baldengineer +6
    Some great suggestions are already above. for op-amps MCP604 for logic I would include some CMOS: like a 4040 ripple counter I use CMOS 555s such as (LMC555) heat shrink tubing wire ties USB connectors…
  • dubbie
    dubbie over 6 years ago in reply to genebren

    Gene,

     

    This corresponds quite closely with the sort of components I use as well, although so far I am only up to about 10 Nanos. I don't think I'll buy 100 Nanos though as it would be hard to justify to my financial controller (wife).

     

    You could make many mobile robots with 100 controllers!

     

    Dubbie

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  • Jan Cumps
    Jan Cumps over 6 years ago in reply to baldengineer

    You can create a PCB with a mix of your favourite SMD footprint breakouts. Put routing lines with mouse bites between them so you can snap them off.

    Then order 10 or 20 PCBs of them at your favourite PCB house. Almost always cheaper, and a better fit for you, than ordering a set.

    And it's fully DIY compatible image

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  • genebren
    genebren over 6 years ago

    There are a lot of good idea here.

     

    On by list would also be ATmega328PB.  Maybe it goes back to my software background, but I find that every project needs a microprocessor.  I have used 100+ of these parts and just had to restock my supply with another 100.

     

    Other items on my essentials list:

    • USB connector
    • FT230XS-R (USB to serial)
    • LEDs
    • 5V regulator (AP2210K-5.0)
    • 3.3V regulator (AP2210K-3.3)
    • Li-Ion charger (MCP73881)
    • small tactile pushbuttons
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  • Andrew J
    Andrew J over 6 years ago in reply to shabaz

    Farnell are selling Multicomp Pro caps and resistors at very low prices now, e.g. 100x0.1uF = 72p inc vat Product LinkProduct Link!   Or, say, a 100Ohm 1% 0805 at pretty much the same price Product LinkProduct Link. Seem to have them in a wide range of values - certainly all that I looked for - so you could stock up very cheaply.  I've not found a cheap kit though.

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  • baldengineer
    baldengineer over 6 years ago in reply to thermite

    thermite  wrote:

    Flux brush

    Do you mean something like a ESD-safe brush (usually they are black)? Or something more aggressive for cleaning off flux?

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