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.
2
votes
2answers
38 views
Connecting More Than Six Analog Input Pins to arduino
I'm in the planning stages for a project using the Arduino Uno to control 8 distance sensors, and have run into a little road block, the Uno only has six input pins. So I'm wondering, is there any way ...
5
votes
1answer
46 views
Quadrotor control using ArduIMU
We are using ArduIMU (V3) as our Quadrotor's inertial measurement unit. (we have a separate board to control all motors, not with ArduIMU itself).
As mentioned here , the output rate of this module ...
0
votes
1answer
61 views
How do I adjust objects on a conveyor belt into the proper orientation?
This is part two of my larger robot, it follows up what happens with the small rocks here: What kind of sensor do i need for knowing that something is placed at a position?
Now i am taking the rocks ...
1
vote
1answer
48 views
Read Multiple Channels of RX-TX with arduino
I have a 9 channel RF RX/TX and want to connect 3 motors to it. I am able to connect channel 1 with motor 1 but unable to connect channel 2 with motor 2 simultaneously with arduino.
Here is the code ...
4
votes
2answers
27 views
Limits of PWM, Timers and Interrupts?
I have a robot with two wheels/motors and each has a quadrature encoder for odometry. Using the wheel/motor/encoder combo from Pololu, I get 48 transition changes per rotation and my motors give me a ...
5
votes
2answers
44 views
How can I use the Arduino PID library to drive a robot in a straight line?
I would like to create an Arduino based robot with 2 wheels, quadrature encoders on each wheel, a H-bridge driver chip (or motor controller) and a caster. I want to use the PID library to ensure the ...
2
votes
1answer
45 views
Can the rate of peristaltic pump's flow be accurate across changes in fluid viscosity?
I'm building an arduino controlled pump system to be able to move fluids around. I need this to be fairly accurate, but extreme precision isn't required. Since there will be a variety of liquids moved ...
3
votes
2answers
36 views
Can I use the RaspberryPi to receive the GameCube remote's RF signals?
I have an old gamecube that doesn't work and I want to gut it and fill it with Arduino boards and/or Raspberry Pi if necessary. I want the project to eventually have some kind of AI aspect, but I'm ...
5
votes
3answers
123 views
How Should I Choose an Educational Robotics Kits for Beginner Programmers?
I am a high school student, doing a research project in AI and Robotics. How should I choose a robotics kit (for example, will it be better to learn the basics by using a hexapod or robotic arm?)
I ...
2
votes
2answers
63 views
Prototyping a device with 25-100 small DC 3.0V motors, is Arduino a good fit?
I want to prototype a therapeutic device that will have a lot of tiny mobile-phone type vibration motors like this one in it, and I want to be able to activate them in any configuration I want. I'm ...
5
votes
1answer
37 views
Is it possible to interface android mobile as GSM and GPS module with arduino based robotic applications?
I want to built a robot and i need bunch of modules to track it like GSM/GPS Wifi and Camera
If i try to buy each of module separately it will cost me 300 dollar each aprox in Pakistan. On the other ...
1
vote
0answers
37 views
Firmata over nRF24
I'm having some technical problems... I'm trying to use Firmata for arduino but over nrf24, not over Serial interface. I have tested nRF24 communication and it's fine. I have also tested Firmata over ...
5
votes
1answer
68 views
Controlling more than 12 Servos with the Arduino Servo library
I'm using Teensy hardware specifically. I have a Teensy 2.0 and a Teensy 3.0, and from the documentation it seems like there are two 16 bit timers available, and each should be able to control 12 ...
3
votes
4answers
132 views
How can I send video from my Arduino camera module video to my Android screen?
I'm trying to connect a camera module to my Arduino Mega, connect my Mega to my Android phone (throught BlueTooth or other), and send the live view of the camera to the mobile phone.
I saw a video ...
4
votes
5answers
222 views
High voltage motor control with arduino
I'm trying to control a higher voltage motor than an arduino can source with a pin, with an arduino. I am trying to hook it up to a transistor. The battery pack is not supposed to be 4.8V, it's 6V, 4 ...
3
votes
2answers
396 views
Arduino Nano + Raspberry Pi = UAV Ground Station?
I'm a programmer by trade, and an amateur aerospace nut, with some degree-level training in both fields. I'm working on a UAV project, and while the good people over at DIY Drones have been very ...
1
vote
2answers
48 views
Would is be possible to connect a HiTechnic prototype board to an Arduino?
Does anyone know if this is possible? It's just an i2c device right? I mean you would have to cut the cable and make it so you could plug into the pins on the Arduino but you should just be able to ...
0
votes
4answers
441 views
3D Mapping from a quadcopter with KINECT
I have a quadcopter robot that has a KINECT on it and i want to do 3D mapping with it.
Is KINECT reliable on a moving robot (i.e., can it give me stable images and maps with this movement)?
Is ...
2
votes
1answer
115 views
How to tell a stepper motor's position, or detect slippage
I am creating a CNC machine on a budget, using old motors out of printers/scanners/etc.
I am limited to about 650mA for the whole system, so my fear is that when the cutting bit touches the ...
5
votes
4answers
159 views
Sensors for differential drive
I have the following chassis along with an Arduino and a motor shield.
I'm in the process of developing a tracking mechanism for use with differential drive.
Normally, a photo reflector can be ...
0
votes
4answers
121 views
Why must I loop 127 times for a “7-bit” address in this example?
I am learning about I2C on the Arduino. I was looking at a sample program to scan for I2C devices and saw this:
...
4
votes
1answer
69 views
Adding Rotary Encoders to an Electronic Wheel Chair
We have an electric wheel chair, and are looking to add a rotary encoder to each wheel. We don't want to hack the motor itself, so want to add the encoder without harming the motor-to-wheel ...
5
votes
3answers
95 views
Arduino Motor control
I'm working on a rather low budget project, and need some way to control four or more motors using one Arduino. I've looked at motor shields a little, but I have a shield on top of it already, It does ...
5
votes
3answers
121 views
How to find out how far a motor has taken a vehicle?
I have a small motorized vehicle with gears as wheels running up and down a track made of gear racks. How can this robot know when it has run half the track? And what's the best method to keep it from ...
4
votes
2answers
110 views
Quadruped Learning Simulator
I'm currently building a robot with four legs (quadruped), 3 DOF (Degrees of Freedom) and Its been suggested here that I use a simulator to do the learning on a computer and then upload the algorithms ...
3
votes
1answer
77 views
Wifly Shield Not Connecting
I recently asked a question about the juniper WiFi shield, and am now working with wifly from spark fun. I've been using an updated version of their experimental library, and have been attempting to ...
2
votes
1answer
260 views
MMA7361 Accelerometer Always Displays Same Values
I recently purchased a 3-axis accelerometer from Amazon, and can't seem to find how it works. I've been looking for quite a while now, and haven't found any real clues. The x, y, and z values always ...
6
votes
1answer
84 views
When taking VCC power from an arduino to a 12v regulator, then to a 5v, do I need two sets of capacitors?
I'm building an open-source bio-research hardware (ask me how you can help!) and I've got this guy here:
My big questions are:
Can I get away with all the ground being common? (I've got a 12v and ...
4
votes
2answers
172 views
Arduino Vin Current Limit
I've found that Arduino (Duemilanove) has a current limit of 40mA per pin. Does this include the Vin pin? Or does the Vin pin have some sort of work around in place on the board to allow for higher ...
5
votes
3answers
336 views
Including a RaspberryPi within a robot… Does this allow for a “universal API”?
I know this is a broad statement, but when you've got support for both TCP as well as a full fledged computer on board (to integrate/run an arduino), does this essentially allow for anything that ...
2
votes
5answers
402 views
How computationally powerful is an Arduino Uno board?
What can an Arduino board such as the Uno really do? Of course simple things like controlling a couple servos is very easy for it. However, I don't think an Uno board would be able to preform ...
2
votes
1answer
73 views
Using an IMU to build an INS
What's needed to utilize an IMU such as the ArduIMU+ V3 to be used in an INS. Is there any other hardware needed?
0
votes
1answer
87 views
Rainbowduino 3.0 - Arduino IDE fails to upload
OK, not really robotics, but has anyone been able to upload to a Rainboduino v3.0 using the Arduino IDE? I can't seem to figure it out, and there is virutally no documentation online. I followed this ...
0
votes
1answer
61 views
Where can I find a tutorial or sample code for the Juniper WiFi Arduino Shield?
I recently got an arduino wifi shield known as "juniper" (I believe it was by cutedigi). I've tried to find code examples, but when I saw code, it was un-commented and very little explained, I could ...
5
votes
5answers
222 views
Learning Algorithms for Walking Quadruped
I'm building a 4 legged robot (quadruped) with 3 Degrees of freedom per leg.
The goal of my project is to make this robot able to learn how to walk.
What learning algorithms will I need to implement ...
9
votes
5answers
459 views
Starting out advice on making robots and tinkering with microcontrollers
I'd like to start making robots and tinkering with microcontrollers. Where do I start, and what do I need?
I'd like to make my own robots. I'm comfortable with programming (assembly and C) so I've ...
5
votes
1answer
84 views
Using an Arduino to control an ON / OFF connection between two pins
I've got this driver: http://www.pololu.com/catalog/product/1182
... a A4988 stepper motor driver carrier
I'm attempting to control a connection between the RESET and SLEEP pins with logic ( code ...
0
votes
7answers
199 views
Good Microcontrollers/SOCs for a Robotics Project [closed]
I am looking for a starting point for my project, preferably using popular systems (ones there is a lot of support for). I have an Arduino Uno, a Raspberry Pi, and a lot of willpower :) Anyone here ...
