Let's Make Robots!

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wrench_orange.png Your work in progress or a finished robot: Robot project
script_edit.png Write in your own blog: Blog entry
comments.png Discussions and questions: Forum topic
brick.png Show what you are making robots of: Component
lightbulb.png Help others with what you have learned: Tip or walk through
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Hi guys! this is my first robot project and it's a simple "light-seeker". i used an arduino uno board and a motor shield from adafruit. the base is done with pieces … Read more
     During my week of final exams I had almost nothing to do after my half-days of school, then I had a revelation, why don't I make a robotic arm. The fact of … Read more
Blinks in different programable patterns
My first step to robotics.... an 3x3x3 cube Read more
Hello Here is my art robot named "Evil Dead". This name comes from the movie trilogy which features "Ash", an S-mart clerk thrown through an assortment of crazy … Read more

CHEAP-O WAY TO MONITOR ADC VALUES IN PICAXE

Fellow members,

Does any of you know of, or use a way to monitor the ADC values produced by a Picaxe analog input pin in real time?

As far as I know, the only two ways to monitor these values as they happen are: 1) with an LCD in the circuit or 2) on the programming PC via the download cable.

I was wondering f there was a cheap-o version, something you could breadboard easily and with discrete components... Ideas anyone? Or am I looking for the holy grail?

Thanks, all!

Cheers,

Andrés

Linea is my first line follower based on Arduino.A line follower is a robot for beginners. In fact it is very simple to build a line follower and only few … Read more

Hobbyduino Mini Bootloader ISP Shield

In a previous post I presented a revised version of my Minimalist Arduino Clone called the Hobbyduino Mini V3.0. Here a picture for reference.

Now, I would like to present a bootloader ISP shield that can be used to burn the Arduino bootloader onto blank ATMega328 or ATMega168 chips.  Here are a few pictures of what it looks like.

Revised Hobbyduino Mini (Minimalist Arduino Clone)

A little while ago ignoblegnome (IG) did a review for me on my version of a minimalist Arduino clone designed to be used for prototyping and finished projects. The board design allows the Hobbyduino Mini to be used on a breadboard by soldering pin headers to the I/O sockets or in a finished project by attaching wires. IG also passed along some great suggestions for future versions. I took the suggestions he made and modified the original design. Below is the 3rd revision of the Hobbyduino Mini.

Contests

Hey guys, I found the microcontroller, make ir move and toy challenges on instructables. Great competitions.

Check out my competing projects:

http://www.instructables.com/id/Build-your-own-hovercraft/

http://www.instructables.com/id/Password-access-with-arduino/

http://www.instructables.com/id/Password-Lock-with-Arduino/

 

cr4cX H-Bridge

The cr4's H-Bridge is builded with MOSFET and BJT transistors and specialized low-side driver IC.

In my tests the bridge has worked at 32KHz PWM frequency with virtually no heat generated.

Two of these (one for each motor) are used in cr4.

The bridge prevents the shoot through conditions and allow the following operating modes:

  • pwm cw rotation
  • pwm ccw rotation
  • pwm brake
  • brake
  • coast

Maximum supply voltage is around 18V and maximum current through the motors is limited by the IRF9540 MOSFET caracteristics.

Helps new PIC users learn the basics
The PIC tutor board features everything a beginning PIC learner needs. It features the 18F1320 Microcontroller, 4 ADC lines, 6 LED's, connections for a Motor … Read more
Ultrasound navigation, reacts on nearfield bodyheat, detects light
Using a
This is my first autonomous 4WDBOT on a DfRobot Base.I try to keep all mountings as clear and functional as possible - no decoration parts. Update: After some … Read more
Improves the obstacle recognation of Sharp IR distance sensors
Sharp IR distance sensors are very often used in robotics. But I always found it annoying, that they do not recognize very small objects, chair legs or even walls … Read more

Note: You can follow some projects some of the time, but you cannot follow all the projects all the time.




Recently collected


UPDATE 03/02/16: The two lucky reviewers are Dickel and nhbill. Looking forward to seeing this product incorporated in your projects. We will contact you shortly to … Read more
Brings you Pokemon cards to life.
This video goes through the process of making an augmented reality app with Unity 3D and the Vuforia plugin. An image of your pokemon card gets loaded into an image … Read more

Biped Howto: Moving servos

+++ UPDATE (12-march-2014): Rename title as "Biped Howto".

Hi, I will try to explain, in a very simplistic manner, the way in which servo motors can be controlled.

Servo motors are controlled by a PWM signal, in which the active part of the signal (known as duty cycle) define the amount of degrees the servo will rotate.

explore the world via camera, Programmable, Through narrow places easily, battle with other robots
Using a
Since this Project was transferred from the project: Xpider--the smallest smart robot spider (Stop Updating)    I will describe the project infomation simplely. Read more
A winning robot of the Czech round of the RoboRAVE 2016 Junior competition – Ball transport with automatic loading
Using a
Béda 5 is a robot, with which our team HaHaHa Robotics ( Read more
This is my first robot attempt using Arduino uno it is almost finished and I have a code but there might be something wrong with the wiring if anyone has any … Read more
Talking,walking forward &left & right & backward,self navigating,playing,tail shaking, getting angry for caress ,eye acts.
  Firstly ,my special thanks for who chopstick juniours maker lumi and facial led matrix maker dickel. Robot chassis uniformity and cute image of chopsticks cause … Read more