Arduino is an open-source electronics prototyping platform based on flexible, easy-to-use hardware and software. It's intended for artists, designers, hobbyists, and anyone interested in creating interactive objects or environments.
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1answer
74 views
How strong are the Arduino boards relating to interference robustness?
In my previous question the problem was related to EM noises with the Arduino boards, then I asked myself: How strong are the Arduino boards relating to interference robustness?
For example, if I ...
0
votes
1answer
71 views
What there was before Arduino?
I'm really a fun of Arduino project, it's easy and it has a great community. But i am aware that is has no technological innovation, it is only a wrapper on a (normal?) microchip, if i have understand ...
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2answers
49 views
Strange I2C behavior: sometime it works, some time it doesn't
I am using Arduino Ethernet with PoE and Arduino Uno boards. In recent days I implemented a working I2C bus by using the Wire library and all it seemed almost to ...
6
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2answers
57 views
ATTiny85 not working after burning bootloader
I am having a problem with my ATTiny85. I should mention I use Arduino as an ISP to program it.
My ATTiny worked fine until I decided that I need to step up the clock speed from 1MHz to 20MHz so I ...
6
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0answers
69 views
Arduino serial communication protocol design
I make a drum sequencer interface for electronic music.
It uses an arduino mega as it's microprocessor, and currently it interfaces to a Processing program that I wrote for serial communication. ...
2
votes
1answer
96 views
Arduino LED brightness switching using pushbutton
I'm trying to switch between 4 different brightness of an LED using an Arduino Uno. I've used analogWrite and not digitalWrite with PWM. The problem i'm facing is that the brightness does not switch ...
1
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1answer
73 views
Circuit to drive a speaker
I am looking for a circuit to drive a speaker to make a fairly loud simple tone - a square wave driven from a microcontroller (Arduino/ATMega).
There are obviously a billion chips and amplifiers out ...
2
votes
2answers
100 views
Arduino PWM shield with npn transistors
I'm using a PWM shield (http://www.practicalmaker.com/products/arduino-shields/pwm-shield-assembled) which allows to extend the number of PWM pins for an Arduino.
In my project I'm using NPN TIP120 ...
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52 views
Ideas for a project combining arduino and FPGA [closed]
I would like some suggestions for my project. I need to implement ARDUINO and FPGA, nothing too complex nothing too easy. Just something Simple! where I can show that I have knowledge of these ...
2
votes
2answers
66 views
Arduino Uno R3 hardware serial: peripheral interfering with the USB/Serial-converter?
I like to use the hardware serial port (pin 0 RX and 1 TX) to connect a bluetooth module.
Internally these pins are also ...
3
votes
2answers
45 views
What do I need to do to use a R3 Ethernet shield with a R3 Arduino Mega 2560?
I want to use my newly bought Ethernet shield without making any hardware changes, buying anything, and (preferably but not necessary) add no extra jumper wires. However, it doesn't connect to ...
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0answers
36 views
Need idea for Ardunio Project create electric Capacitive Screen Pen [closed]
I want to create Arduino project that can replace finger to touch iPhone screen.
I wonder how can I make some device with 1 x 1 cm. surface with electronic input to touch one iPhone screen and then ...
0
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1answer
56 views
Can a phone battery be used to power Arduino or Motors
I was wondering whether it would be possible to use a rechargeable battery from an ordinary cell phone to power some electronics such as a motor shield for Arduino?
Can that be done and if yes then ...
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0answers
33 views
How to request a PHP file using GSM Module in Arduino [duplicate]
So I've figured out how to make an HTTP request with the SIM300 module attached with arduino.
I hope it'll help people working on it in future. :)
Reference : http://madeeasykits.com/faqs.asp
This is ...
1
vote
2answers
120 views
Accurately detecting metallic objects
I need to detect the presence of large metallic objects. The detector will be on the ground. The detectable object will be around 60-70cm away. The detector will ...
