All Questions
Tagged with programming arduino-leonardo
15 questions
1
vote
1
answer
225
views
Can one re-program a Leonardo Eth via its Ethernet port only?
Let's assume we have an Arduino Leonardo Eth running some sort of networking application, perhaps a very simple web server. Importantly the server is read only and static HTML. There is no ability to ...
- 127
2
votes
1
answer
183
views
Improving moving mouse loop to optimize speed
Code:
#include <Mouse.h>
#include <hiduniversal.h>
#include "hidmouserptparser.h"
#include <USBController.h>
USBController controller;
USB Usb;
HIDUniversal Hid(&Usb);
...
- 23
3
votes
2
answers
511
views
Multiple Time-Sensitive Tasks
I'm using an Arduino Leonardo and need to perform two time-sensitive tasks like this:
// Task 1 - Gets executed once a second (1Hz)
// Execution of task needs approx 70ms
task1(); //Sending a ...
- 59
0
votes
1
answer
260
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Trying to start a timer to change lights when a button is pressed
I am trying to setup a series of lights (traffic lights) that change based on a timer that begins when a button is pressed. The goal is to use the lights to track how long its been since you pressed ...
- 1
2
votes
2
answers
283
views
How to learn electronics/programming with Arduino? [closed]
I want to learn core and mechanics of microcontrollers with Arduino, and I don't really know where to find good source of knowledge.
Every Arduino related tutorial is about very basic stuff like ...
- 123
1
vote
3
answers
850
views
How big of a difference is there between an Arduino Uno and the rest?
Lately I've been fooling around with a project for my Microsoft Sidewinder Force Feedback Pro Joystick. I've found out that there is a project currently for it built for the Teensy 2.0. On the page ...
- 13
0
votes
1
answer
917
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, ...
- 117
0
votes
3
answers
371
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 run multiple times. I have set up the Raspberry Pi and ...
- 19
0
votes
2
answers
4k
views
Pixy(CMUcam5) robot Distance code
Can anyone help me with the code-ing to allow the robot to stop at a certain distance when the robot is approaching the tracked object. I am trying to implement it as a colour tracking wheel chair. ...
0
votes
1
answer
2k
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, com[...
- 101
4
votes
1
answer
1k
views
Leonardo-based tachometer?
I'm new here. I'm not a native speaker, so pardon my English.
I just received my Arduino Leonardo today. I tried some basic calculations and stuff like blinking and LCD interfacing. Its interesting.
...
- 149
0
votes
2
answers
107
views
Keyboardmessage on Arduino UNO
Can an Arduino UNO and Arduino Leonardo do the same things?
Some of the examples in the Arduino software say to use Leonardo e.g. KeyboardMessage.
- 11
3
votes
2
answers
2k
views
portd not writing on digital ports 5 and 7
I try to build a function generator (preferably a sine) with an R-2R ladder and a Arduino Leonardo by Borderless Electronics.
For performance reasons one should use portd instead of digitalWrite.
...
- 133
1
vote
1
answer
761
views
How do I use a i2c port expander to read buttons with pull ups and inverting the resulting uint16_t?
I am using a mcp23017 to read button presses for my joystick project and am using the internal pullup to minimize complications. Is there a way to invert all the bits in the uint16_t so i can send the ...
- 71
10
votes
4
answers
9k
views
How to really shrink a sketch
I want to make a sketch that is as small as possible, for test purposes. The problem is, when i compile the BareMinimum sketch (with an empty setup and loop), i get 466 bytes for the Uno and a ...
- 3,509