On Amazon I'm seeing 1% and 5% tolerance and am not sure which one to go with?
I'm trying to program my Nano v3 to control three 12vdc 300ma pneumatic spring return solenoids and just purchased a 4 channel 12vdc relay module.
I still need to buy breadboard jumper wires and resistors (I think).
Many thanks,
Dave
Hello @davida916,
5% tolerance is usually fine for resistors. Tolerance is how much the resistor's value differs from its stated value.
Could you explain some more about your project? Why do you think you need resistors / what are they for?
Most 1/4 resistor kits will probably be fine.
To start with, get a wide variety of values, will last till you are in your 80s.
~ $20.00 for 2600 resistors.
Later, settle on extra 220R, 470R, 1k, 4.7k and 10k.
You can take a look at this: https://www.amazon.com/Resistor-Assorted-Resistors-Assortment-Experiments/dp/B07L851T3V
I would also recommend getting a kit with many values. But you will find that there are a few values that you will use a lot.
180 MOSFET gate resistor
220-470 LED current limit
1K LED current limit and 100 other uses
4.7K I2C pullups
10K pullup and pulldown resistors
I buy 1K and 10K by the hundred.
Same with caps. A kit of many values is handy but a few values cover most real world uses.
0.1uF ceramic Bypass and decoupling caps. Buy by the hundred
1uF, 10uF, 100uF electrolytic Filter and bulk capacitance.
The best ones I have used came with an official Arduino starter kit. These were a kit of assorted values from Welleman. The leads were relatively short and of large diameter which made them easy to use with a breadboard. The manufacturing quality was also high with uniform colour bands.
Thank you all for the advice. Will go on Amazon now and stock up on these goodies.
I'm returning to school this fall to study mechatronics and will definitely put these components to use.
10x16mm 470uF/16V fits in .2" holes on perf board. .1uF bypass caps work on .1 or .2 spacings.
I agree on bulk 1/4w 5% 1k, 10k and 470 (pair for 235) ohms for LED's, .1 uf bypass caps. 5k pots too!
Jellybean LED's by the dozen, especially the RGB self color changers.
A "few" years back I also bought a 1/4W through hole resistor pack.
However, its still there mostly unused as I have switched to all smd components.
I use SMD components even on strip boards.
Bradboards are a different story of course but I very rarely use them as I could never get anything to work on one of those!
I totally agree. In my experience, breadboards are only good for the most basic projects. They don't really make any reliable connections between components at all!
I have been using solderless breadboards for almost 50 years and have had very little trouble that can be traced to the breadboards themselves. I have some Archer (Radio Shack) boards from the '70s that still work fine. Buy quality boards. Do not abuse the boards with too large conductors. Keep current below 500mA at most.
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