Let's Make Robots!
I've noticed alot of posts lately have been about faulty power supplies, mainly because they are utilizing a 9V battery in their circuit. 9V batteries are intended … Read more
12 servos controller with Arduino
Building a robot with wheels or with legs needs a design completly different. One of the biggest difference is the type and number of motors. While for a robot … Read more
Provides you with cheap alternative energy.
 Well, I just thought I'd post what I've learned about solar panels in the past month. They are actually quite simple to make and will cost you alot less then … Read more
Most of you probably do this all the time, but it might be a helpful tip to any newcomer. One way to reduce noise in robots is to always twist power cables. It … Read more
I have been revamping the code for Mr. Tidy and it has grown large enough (23Kb when compiled) to be a real headache to scroll through. I know that some IDE's solve … Read more
How to use timer and interrupts on Arduino boards.
    Update 07/24/2013 04/24/2013 Example 3 has been updated to work with Arduino v1.x.Added ArduinoTimer101.zip examples source code for Arduino v1.x .    Read more
Prevents component smoke and getting your DVM
Simple tip. I have been using it since I was a kid playing with rockets. I like to tie a knot in the NEG lead of a wire to document POS and NEG. If I am using … Read more
changes that may effect shield choices
You may already be aware of this but I thought it might be useful to Arduino Nano users .. Something to be aware of when deciding on a Nano Shield: Recently, I … Read more
I got a logic probe a while back but never got around to testing it. That was a mistake as it’s a brilliant tool for debugging your circuit. Until now I have used … Read more
plots graphs in real time with Arduino and Excel
One of the most important things in the robot design is the possibility to check and control the values feeded by the analogic sensors, i.e. accelerometers, gyros, … Read more
Helps newbies to learn how to program
So, what are comments? They are exactly what they appear to be from their name. Comments or remarks are text that programmer put into code to improve readability of … Read more
Guides you when doing the math inside the code.
The need to convert the result of the ADC pins proportionally to servo positions arose recently in my Pic-Aim project, which in turn was inspired by this comment. … Read more
myrobotlab, open source, Java, service based framework, robotics and creative machine control
setting fuses in a blank ATmega328P chip for use with Arduino IDE and burn the bootloader
Here is a little tutorial about setting the fuses on a blank ATmega328P in AVR Studio so you can use it with Arduino IDE: You need: Read more
Accurate and simple way to mount a sensor
Let's say you have a sensor on your beloved (or hated) bot. You want to fix it so you can easily tune the distance between it and the floor (for example). You … Read more
some formulas to help in the motor choice
  One of the problem building a robot is the choice of motors. I'm speaking about a mobile robot with wheel. So, I'm not speaking about legs or others geometries. Read more
Uses the servos potentiometer to detect resitance on a gripper.
Using a
I soldered a wire to the middle pin of the potentiometer inside the servo that operates my gripper. Using an analog pin, I can tell when the Servo isn't moving. I … Read more
Turns a 4 Port AA holder to a 3 Port AA holder
I read the very detailed and well written SHR post and had a tip on the battery holder mod.   I typically don't have an endless supply of telescoping antennas to … Read more
char values sent via serial port in real time - Arduino code
Often it is needed to chart in real time the values coming from the serial port (RS-232). In Arduino environment it is a common need. If you have some values, only … Read more