Let's Make Robots!

Log in to get help, show off, share and inspire:

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
link.png Add a news item or cool link: Web link
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
The Robotic Tank you see here was capable of speeds approaching 10MPH With myself on it. Powered by 2 250W electric Scooter motors, it was a very large project. The … Read more
Line Laser scans object while recording position of laser with software. Allows capture of 3D object into software.
Using a
Intended for use with David Laser Scanner software. After completing the CNC machine, I decided to build a scanner using my new machining ability. Using an Arduino … Read more
Pushes other robots out of a ring.
Using a
1/18/2011 - I still haven't decided what color to paint it, hence the Pink or Black in the title, but it's almost operational. I've got the line sensors, … Read more
Here is my custom controller version 2. I made it so I can have some input to my robots and get information back. It is a simple design. It has a LCD, Xbee, custom … Read more
It goes around just like an RC car but it's much more fun because it's floating.
Using a
Here's another project that I have, it was a physics project for school but I thought I could put an Arduino somewhere in there and make it more interesting, and it … Read more

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




Recently collected


Droid functions similar to a Spring Flamingo design for the legs, upper body balances like a "hoverboard" at the hips. Remote control is done with a vr headset, and … Read more
Hello. This is my Johnny Five robot from the movie Short Circuit 1&2 it came as a very plain and simple kit. I have done many modifications to it and I'm happy … Read more
Talk with Arduino via Speech / Voice Recognition Module
How to: Arduino Voice / Speech Recognition  with Geeetech Module [Tutorial].  This video will show you how to talk with your Arduino with the (cheap) Geeetech … Read more

Botboarduino drivers

Ok guys it's been a while since I've been on I'm glad everything is picking back up.

I recently had to wipe my computer after getting a virus. Which means I lost all my drivers and code and etc. I managed to get arduino up and running but my botboarduino needs drivers to work. I'm kinda freaked out about catching another virus and I can't seem to find the correct drivers for ft232 uart. I tried one place but it keeps asking me for a password to open it. And when I point the device manager it refuses to see the zip file.

My artificial neuron approach

February 12, 2015

A single artificial neuron can represent some simple Boolean functions like OR, AND or NAND and some like XOR not, because a single artificial neuron can only learn linearly separable mappings.

Example. Perceptron for the AND function:

walks on two legs using four servos
this is the next evolutionary step from my trashbot version 1. i decided that i want to build more robots made from recycled mechanical parts instead of shaping … Read more
Controlled immersively, FPV video feedback projected to Oculus Rift in real-time
Hi everyone! It has been a long while since I last posted to LMR, hope you're all doing well and spreading the cult of hobby robotics!! Lately I've been thinking … Read more
This is robot SPR-Bitz. At the moment it's comprised of bits of leftover 3d Printer filiment thay I had from other projects. It's based on a poppy 3d printed robot. … Read more