The components tag has no usage guidance.
2
votes
4answers
61 views
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 ...
0
votes
1answer
35 views
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 ...
0
votes
0answers
14 views
Keyboard for Leonardo
I will try and make a computer powered by the arduino, and I don't know how to get a keyboard working with it. I'll use the arduino leonardo for the computer, but what do I do?
0
votes
1answer
24 views
Arduino RGB component identification [closed]
Can someone help me identify this component?
Thanks in advance.
5
votes
1answer
91 views
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 (...
1
vote
2answers
77 views
Why is there a plastic sleeve on my HC-05 bluetooth module [closed]
I would like want to know why the bluetooth module has a plastic sleeve covering it?
Is it possible to remove it?
1
vote
2answers
790 views
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 ...
0
votes
1answer
26 views
connecting 3.3V to +3V
Well, I hope this question won' t be buried to the dark depths of this forum as my previous q' s:) But I suppose it won' t this time cause it's pretty short without this introduction part...
I have ...
2
votes
2answers
76 views
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?
1
vote
1answer
57 views
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 ...
0
votes
1answer
58 views
Releasing gas from a bottle via Arduino - opening a valve?
I'm looking for a mechanical component that enables me to do two things:
contain a gas in a bottle and if opened, the gas should smoothly flow out (with the same pressure as a child blowing out ...
-1
votes
1answer
58 views
serial to parallel and nixie clock
I'm going to use this tutorial : https://www.arduino.cc/en/Tutorial/ShiftOut to make a Nixie Clock. I was asking myself if other components that'll be easier to use existed ?
-1
votes
1answer
91 views
Arduino components for smartening my current doorbell
I would like to modernize my current (dumb) doorbell with arduino but as this is my first project, I need some advice on what I need to accomplish this :)
So, currently I own only Raspberry Pi 3 and ...
0
votes
1answer
110 views
What are some “must-have” sensors or shields for an Arduino robot or motor?
I am starting to learn Arduino and wanna make some projects.which components will I have to buy?please help me.
1
vote
1answer
28 views
Looking for a Mega 2650 drawing or picture that shows the components labeled
I am Looking for a Mega 2650 drawing or picture that shows the components labeled.
I've seen the schematics but didn't find a labeled assembly drawing yet. Should this exist?
Thanks
0
votes
0answers
47 views
Si4707 weather IC (or similar) break-out/shield?
I am looking for a ​Si4707 Weather Band Radio Receiver ICs shield or break-out board.
A similar product would be OK, just need something for the capture and decoding of Specific Area Message Encoding ...
0
votes
2answers
33 views
(HELP)How to read Physical Dimensions in datasheets
Sir/ Ma'am,
.
How to read the dimension labels of this IC?
0
votes
2answers
430 views
Are there flexible pressure sensors for Arduino that can measure forces of at least 600 lbs?
I'm in need of flexible pressure sensors that can read how much force is exerted on someone's foot while running (these sensors would be placed inside the shoe). Since pressure can often be three ...
0
votes
1answer
135 views
Failing to read from DHT22 when multiple components on breadboard [closed]
I've been trying to use DHT22 along with many other sensor components connected to breadboard. It seems to fail reading from the DHT22 when multiple components are connected and reads only when the ...
0
votes
1answer
121 views
Are there ultrasonic transducers which are able to produce a “chirp” sound wave?
I'm working in a ultrasonic radar project and the supervising teacher wants us to produce a chirp sound wave (a frequency-varying sinusoid).
I'm familiarised with the usual ultrasonic module, but as ...
1
vote
1answer
76 views
Diode lights generate false interruptions
I have spent quite a considerable time debugging my code that was triggering false interruptions. I have found out that the source of the error were the diode lights (on the picture). I would like to ...
0
votes
2answers
1k views
What components I need for a small GPS tracker
I am new to Arduino and want to create a graduation project for my university.
I am thinking to create a GPS tracker that can be attached to a cloth to track kids, for example.
So the requirements for ...
0
votes
1answer
158 views
Are there any ePaper modules that are bigger than 2.7 inches for arduino
I am looking for a large ePaper Display for the Arduino. The issue is is that I cannot seem to find one any larger than 4.5 inches in size. That will be compatible with arduino. Even with a controller ...
1
vote
3answers
73 views
Solutions for displays?
I am trying to find cheap options for displays about 3 x 6 inches to display time, weather, simple clip-art type images, and other marquee messages. What are my best options to work with arduino if ...
1
vote
1answer
38 views
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 ...
1
vote
1answer
312 views
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 ...
3
votes
2answers
3k views
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 ...
