An Arduino board based on the ATmega32u4 chip with built in USB HID functionality
0
votes
3answers
113 views
How to control android app with arduino
I'm trying to connect Arduino Leonardo to an Android tablet. I would like to make the Arduino send commands (using pushbuttons or a slider for example) to the tablet to switch between pages, to select ...
0
votes
2answers
54 views
Send Keyboard Media Keys with Keyboard Library
I have an Arduino Pro Micro (ATMega32u4) that I want to use as an IR receiver for a media PC and need to send codes like Volume Up, Media Home, Play, etc. But when I look up the scan codes for those ...
0
votes
2answers
83 views
Controlling Arduino from Raspberry Pi
I am trying to control an Arduino Leonardo R3 to run some code when "triggered" from a Raspberry Pi, this would be in a loop so that it can be ran multiple times. I have setup the Raspberry Pi and ...
0
votes
1answer
5 views
Conflicts with USB and external power supply
I want to power an Arduino Leonardo with an external power supply and simultanously communicate via USB. I have read some other threads on this topic, therefore, I know that if one supplies more than ...
0
votes
1answer
105 views
Control Speed of DC FAN Using PID
I want to make a circuit that control speed of DC fan Using Arduino PID Library to get thing at specific temperature.
The circuit looks like this but can be changed, The transistor base pin ...
0
votes
1answer
65 views
Arduino Leonardo is not recognized by usb cable in Windows 8
My Arduino Leonardo was working properly but for the last two hours when I connect it to a PC via a USB cable, it is reporting something like USB is not recognized and even in device manager it is not ...
0
votes
1answer
113 views
Arduino IDE Unable to detect ZumoMotor.H ( PIXY PET )
recently i trying to make the pixy pet work for my project. (https://learn.adafruit.com/pixy-pet-robot-color-vision-follower-using-pixycam/playing-with-your-pet).
I used the given code for the ...
0
votes
1answer
120 views
Wrong Mouse.move() output in Arduino Leonardo
I'm using my Arduino Leonardo as a Mouse but I'm experimenting a strange behaviour.
I put my mouse at (-1, -1) (absolute) coordinates and then I execute this code:
Move.move(com[curr_cmd_id].x, ...
-3
votes
1answer
202 views
how to serially communicate the arduino leonardo to pc through hyperterminal
I have connected mc to a pc using USB. I need data on hyperterminal through serial to USB connection, hence I connected TX, RX and gnd pins of the Leonardo to the rs232 pins and one other side of ...
1
vote
0answers
91 views
How do I troubleshoot Seeeduino GPRS shield?
I am trying to receive an SMS message using the code, below, copied from Seeeduino GPRS - Wiki, with no success. Although there are several versions of the Seeeduino GPRS shield, mine is identical to ...
1
vote
0answers
106 views
Teensy USB Core on Leonardo
The USB Serial speed on the teensy is WAY faster then on the Leonardo. Looks like because they have greatly improved the USB code. Has anyone had any luck using the Teensy core libraries on a ...
0
votes
0answers
49 views
Matlab to Arduino communication
I am doing some computations on Matlab and I need to send those values to an Arduino Leonardo through USB serial connection. I need to send 2 variables which can vary from -400 to +400. I'm saying ...
0
votes
0answers
34 views
Wido wifi communication
Any one here tried WiDo (DFrobot) ? I need some help regarding wifi communication among two robots. I want to communicate with two robots via wifi (WiDo module).I dont have a clue to do it. Any clue ...
0
votes
0answers
40 views
Leonardo with xbee shield?
I'm trying to get a XBEE shield to operate on an Arduino Leonardo. Usually i use the AltSerialLibrary to emulate an extra serial for the xbee. However since the Leonardo comes with two sets of serial, ...
0
votes
0answers
120 views
9v adapter burned out Leonardo style board
My first experience with Arduino ended in a tragedy. I bought a Leonardo from ebay and upon arrival, attached it to my laptop. Programmed a simple blink demo with the onboard LED. It started working. ...
0
votes
0answers
71 views
Talking between Arduino and PC (Java)
I have to realize a communication between Arduino Leonardo and a demon which runs on a pc.
The demon has to tell Arduino informations about the operative system of the machine to which it is ...
0
votes
0answers
290 views
Using Leonardo and getting absolute x,y Mouse values
Trying to modify the native mouse methods so that it can use absolute, rather than the relative values it currently uses. This is so it can function as a touch screen pointer, and NOT a mouse.
Am ...
0
votes
0answers
76 views
Arduino Controlling through C#
i would like to measure some signals from arduino and send it to a pc using USART and display the results in a c# winform application. Does anyone have such a project example ?
Besides, i want to send ...
0
votes
0answers
97 views
Adafruit 2.8'' TFT Board SPI vs 8-bit Mode
is anyone out there who can tell me, if there is an extreme noticeable difference in using 8-bit or SPI Mode?
In later Projects I want to display values on it and refresh them in a 1 - 1/2 second ...
0
votes
0answers
289 views
Leonardo based Tachometer?
I'm new here. I'm not a native speaker, so pardon me for my English .
Just received my Arduino Leonardo today. I tried some basic calculations and stuff like blinking and lcd interfacing.
Its ...
