Arduino Stack Exchange
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Questions tagged [components]

An electronic component is any basic discrete device or physical entity in an electronic system used to affect electrons or their associated fields.

An electronic component is any basic discrete device or physical entity in an electronic system used to affect electrons or their associated fields.

30 questions
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Why is there a plastic sleeve on my HC-05 bluetooth module

I would like want to know why the bluetooth module has a plastic sleeve covering it? Is it possible to remove it?
Roby Sottini
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6
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3 answers

Help with parts identification from arduino starter kit from aliexpress

Ordered an arduino starter kit from aliexpress Link The parts list they provide (as a jpg on the order page) is vague and not very descriptive, I've gone through most of the parts and am down to three they did not list. Capacitor? -- Looks to be a…
PGT
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5
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1 answer

Replacement crystal on Uno for cold temperatures

I want to run an arduino out in the cold (-40), and use the serial communication - I believe that the crystal is the weakest link (the one for the serial chip) - however I don't see any drop-in (through-hole) replacement crystals that would work in…
user2813274
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4 answers

How do I find my 1N 4007 diodes?

I am a beginner to Arduino, and a relative beginner to electronics in general. I have the official Arduino Starter Kit. I've looked through my bag of components looking for a black diode but was unable to find it among all of the LEDS & the other…
moonman239
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2
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2 answers

Whats common practice when using more components than there are pins?

I have a project where I want to use several motors (servo and stepper) which are activated with an RFID and show info on a display. What’s common practice or a smart way to get past such limitations?
Ate8
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2
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4 answers

How many sensors can be supported by a single Arduino unit?

I am a beginner in the Arduino world. I made some basic projects of the book that comes with the starter kit (it's was borrowed by a friend of mine) and also I used a humidity, a temperature sensors and a LCD display. I want to buy an Arduino Uno…
Roby Sottini
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2
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2 answers

How do I find names of components I don't know?

I recently started with Arduino and I have my starter kit. However, there are some strange looking components I can't recognize. Is there some way to find out the names of these components?
user15851
2
votes
1 answer

What requirements should components have to work with Arduino (UNO in particular)

I am fairly new to the whole concept of Arduino and electronic engineering in general. Recently I bought myself an Arduino UNO and I'm wondering what "non off the shelf" components will work when I hook them up with the UNO. I have a lot of old…
Karim Stekelenburg
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1
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1 answer

Will an Arduino Nano work instead of Teensy 3.2?

I hope this is ok to post here and I appreciate any suggestions or help and opinions/facts to make this work. First off I’ve Never programmed an Arduino device! I was looking at this…
Sundrop
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1
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1 answer

Feasibility of a Wi-Fi Positioning System

In the project of guiding a sight disabled person in a known environment, we need to have a precise way of figuring out where the user is. Our current solution is to use WPS. This is however our first project with Arduino, and we're not quite sure…
Linkyu
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1
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Can I support all these sensors? Will I have enough pins?

So i'm new to arduino and i'm working on a project that will require 3 modules/sensors. I wanted to know, can all of the following modules work with the arduino mega 2560 that comes with this touch display? The other modules (apart from the touch…
Shimon
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1 answer

Arduino components

I’m teaching and learning coding with MicroBit and was wondering if these components are compatible with MicroBit. The specific kits labeled for MicroBit are twice the price but the components look similar. Just trying to save a few bucks. Would…
Ryad
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1 answer

How do I choose proper diodes for a 74HC595 shift register with a wired OR connection?

I want to use a wired OR connection to connect some pins of the 74HC595 shift register to an Arduino Digital Input Pin. How do I choose proper diodes for this situation? Maximum rated forward current has to be higher than whatever current a single…
Liam
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2 answers

Would an Arduino Uno be suitable for a simple time-based locking circuit?

Background: I'm looking to start on my first real electronics project and I have an Arduino Uno I bought a while back. I've only done a few of the starter Arduino tutorials and that was a while back as well. Starting from very little electronics…
Era
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1 answer

UVB sensing with Arduino

As part of the research I am involved with, the detection (not imaging) of UV (ultraviolet) sources, either emitters or reflectors is an important factor. I am aware of the SparkFun UV Sensor Breakout - ML8511 component, which, according to the…
user24204
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