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Blog What are the most important parts to have in your electronics kit?
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Engagement
  • Author Author: baldengineer
  • Date Created: 29 Jul 2020 4:44 PM Date Created
  • Views 2327 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 2 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 2 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 2 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…
  • MDeGrauw
    MDeGrauw over 2 years ago

    Hmmm some 1702 EPROM always come in handy and most don't know how to use this type.

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  • raspberrypitechguy
    raspberrypitechguy over 2 years ago in reply to genebren

    I mean I might just buy some for 1.37 since I don't need 100

     

    Thank you for mentioning this, I have an idea now.

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  • genebren
    genebren over 2 years ago in reply to raspberrypitechguy

    No, but I buy 100 parts in this case, as I use this part in most of my products/projects. Buying a lot of 100 also save a bit of cash as the single part price is $1.37 and the 100 piece price is $1.14 (a saving of $.23 each or $23.00 on the lot).

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  • raspberrypitechguy
    raspberrypitechguy over 2 years ago in reply to adegenaar

    Buy from china, I bought once and they seem to be ok, for SMD ICs. The edges aren't polished but their 5 cents each so...

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  • raspberrypitechguy
    raspberrypitechguy over 2 years ago in reply to baldengineer

    Yes. More space for graphics and stuff but I usually use them since I2C doesn't work with me.

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