What is the best way to protect code flashed onto any AVR based device from reverse engineering? What is an easy way to provide updates to end users to flash on their own without …

I'm looking into building a temperature monitoring system, and I want the sensor to have the ability to be submersed into boiling water. Can a thermocouple handle this? I'm looki …

I know there are plenty of references, tutorials and projects posted on line. I'm looking for a decent Arduino reference/project paperback I can read while traveling, etc. Thanks! …

Is the main way of programming the Arduino's Atmel MCU thru a Visual Programming environment such as Max/MSP? Or do you have to write typical C code? What are the different ways a …

Hi, where I live one cannot buy an arduino very ceap. I figure if I make one for my own purpose on a pcb that would be much cheaper and would be much more fun. Now I cannot find an …

Hello I have build a prototype with the Arduino Duemilanove and a Ethernet shield. It works great, now I want to get it redesigned in to a single board with a few extra connectors …

I just got an arduino and have been working through some of the exercises in the tutorials, making good progress. When I'm learning a new programming language or tool, I usually w …

Hi, I found vary nice open source avr emulator ( http://gitorious.org/simavr). Since there is uart emulation implemented it can simulate Arduino. There is board_simduino example, …

I am using a qtr8-rc sensor array on a line following robot, When I use it on a black line on a white surface it works but when i try to use it on a black surface with white line i …

How much current do you require in Arduino/Sanguino or other embedded systems projects? After responding to the LM2575 inductor question I started to take a closer look at the T …

I want to use a regular Arduino board to control LEDs - what is the most lights I can control individually from the board? Is there a tutorial on how to hook it up?

Here's the circuit I'm working on, it's a robotic stringed musical instrument thing, that uses 6 DC motors and an Arduino Duemilanove - The resistors are 0.25w 1KΩ The transis …

I have an Arduino (NG) board with an ATMEGA168 AVR micro. The board has a 6 pin ICSP header. Here is what I propose to do, please tell me if it is possible: Remove current ATMEGA …

Hi, I need to control 25 groups of 3 LEDs or 25 RGB LEDs. Each group will be dismissed from the uC by up to 20 cm (about 8 inches). 20 cm is very safe assumption but I think it wil …

Hi all - been using picaxe for a few years but now playign with arduino and trying to learn how it all works. I have a couple of arduinos talking via the HOPERF library successful …