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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 9330 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 5 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 5 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 5 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…
  • zabari_saad
    zabari_saad over 5 years ago

    The most important components are on my kit are :

    The passive components :

    • resistor mainly 150R,270R , 330R, 1K, 2.2K , 5.1K , 10K
    • Potentiometer 10K and 100K
    • Ceramic capacitor less than 1UF and electrolytic specially 4.7UF , 10UF,2.2UF, 47 UF

     

    Active components :

    • Diode 1N4XX series and 1N4148
    • LED 5mù and 3mm
    • 7 segments display

     

    Switch and push buttons

     

    LCD and LED Matrix

     

    TTL IC like 74ls47 74CHT153

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  • Gough Lui
    Gough Lui over 5 years ago

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

    * Resistors (including precision trimpots)

    * Capacitors (all sorts)

    * Switches, Relays

    * Logic-Level N-channel MOSFETs

    * 3-terminal Linear Regulators

    * 2.54mm Header Pins & Jumper Wires

    * 4mm Banana Plugs & Sockets

    * Arduino (Uno, Leonardo) and/or ESP8266-based equivalent (Adafruit Feather Huzzah, NodeMCU Amica, WeMos)

    * HD44780-compatible Character LCD (16x2, 20x2 or 20x4)

    * I2C Sensors (BME280 Temp/Press, MMA8451 Accelerom, etc)

     

    What electronics consumables do you keep on-hand?

    * Crimp Terminals

    * Heatshrink

    * Electrical Tape

    * Isopropyl Alcohol

    * Paper Towel

    * Solder

    * Desoldering Braid

    * Flux Pen

    * Vero/Strip Board

    * Fuses (M205, 3AG in various ratings)

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  • colporteur
    colporteur over 5 years ago in reply to babint

    I have consumed a few gin and tonics at this point.

    Do you carry the LED's in the pocket that has the plastic protector or are they relegated to another pocket?

    Man I miss my hip calculator!

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  • dougw
    dougw over 5 years ago in reply to babint

    Absolutely - LEDs  - can't forget them

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  • adegenaar
    adegenaar over 5 years ago in reply to baldengineer

    Here is set from Amazon.  No clue if they qualify as "good": https://www.amazon.com/DIP-SOP-Adapter-PCB-Assortment/dp/B07BTJ6R2W/ref=pd_sbs_328_4/131-4497922-9818923?_encoding=UTF…

     

    It might be an interesting exercise to design your own adapters.  The one issue I have had with the cheap ones from ebay is the solder mask often is not great, especially with some of the smaller pitches.

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