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Cheap 40W Laser Engraver from China

I have wanted a laser engraver for quite some time but the price has always been prohibitive for me. Recently though, I found some engravers from china on Amazon for about $500.00 USD and free shipping. Plus, I contacted the vendor and found that the unit would ship from California. I read all the reviews and they all agreed that the machine is great. However, the downside of these machines was the software that is included. After carefully considering all the relevant information I decided to purchase one.

Component list -arduino nano clone(or an arduino uno) -6 male to female jumper wires -usb b to mini b cable -smartphone powerbank with usb(or 4 nimh AA) -2 … Read more
Looks for screws and picks them up
Using a
A small Raspberry Pi robot arm I made over the past few month. Read more

Conquer the Divide - Faster Integer Division

Conquer the Divide - Faster Integer Division

Introduction

How to implement C-style integer division on a microcontroller that doesn't provide appropriate instructions? In school we learn how to divide long nunmbers [1]. Wikipedia tells us that we can do better in certain cases [2]. However, these algorithm are only better for numbers longer than a certain limit. For C operations they don't give any advantage. This article presents an algorithm based on piecewise polynomial approximation to implement this operation.

UNV

pretty much done just trying to find some help on the BT for wireless, i wrote the code in arduino bt i dont know how to setup up the hc05 to tx values over serial … Read more
project is still in development and i mean software side but ill be documenting thru my site more here and there and of course ill post here as well but once im … Read more

Boxing Week Sale at RobotShop! Up To 70% Off Dec. 25th to 31st

Boxing Day Sale

Up to 70% off selected products from Dec. 25th to Dec. 31st at RobotShop. Over 300 products on sale.

Some of the products on sale during boxing week:


                MDi #3 means Mech-Dickel interactive number 3. Well, it's not going to be something so interactive like Jarvis, but I hope I'll have much … Read more
Hi, My name is Chris and I am an entrepreneur of sorts with an Idea (or series of ides) that require some basic robotic functions. I was am slowly learning Ardruino … Read more
Power! In the realm of the radio control hobby, there is an unfulfilled dream, to make a powerful, inexpensive and simple servo amplifier. We want to make big … Read more
Drives around, Scans the environment, gets data, logs it and transmits it wirelessly
This is Version 2of the Terestrial robot. it features lower power consuption motors with planetary gearboxes. This rover is meant to drive via a programmable … Read more
It is a robot. It is the first one I made, but oh well. It is still really cool!!! I used K'nex pieces to build it... It can move in two directions because the … Read more
It is my first robot that I have made, but it is kinda cool to play with. The motor makes it move forward. It is made of K'nex pieces. But I consider it a robot … Read more
Version 2 works much better! ...Now to just add a nice paint job. The Sphereo version uses wheels to roll within the shell, but I have chosen a different … Read more

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




Recently collected


Robot rover controlled by a NRF24L01+ transceiver
Using a
I wanted a rover with longer range (WIFI is to short). On this robot the video and control signals is transferred by a NRF24L01+. The video is very low resolution … Read more
Amplifies the wearer's strength, provides haptic feedback and environmental information, aids in disaster relief missions remotely if necessary.
Two teenage inventors embark on an endeavor of immense proportions, and potentially world shaking effects...the construction of MaRRVE. With applications ranging … Read more
Looking to get started? Here's a list of sample projects of how to learn about how to make robots
New to LMR and looking to get the most out of it? Check out the "Get the most out of LMR" page. This Start Here section includes robots and projects which are … Read more
Checks local temperature from the Yahoo Weather API and Temboo converts to INT.
In this video we will use an Arduino Yun (or leonardo with a wifi shield) to connect with the Yahoo Weather API and return the value of the local temperature … Read more
This is OSIRIS a rover style robot that I will hopefully modify with autonomous gps control. Right now it is controlled with a 2.4 gigahertz aircraft radio and a … Read more

Open FURBY

Open FURBY is an open community-based project with the goal of providing low-cost social robot platform based on FURBY® toy from Hasbro®.

Cutting Acrylic sheet

I've been asked how to cut acrylic with a hot wire cutter - I made my own and there are a few plans for how to do this on instructables etc. This was my take on the idea which I find works OK for me... - see the file attached

While the Deathstar, and X-wing squadron might have failed to gain crowdfunding traction, there is a realistically obtainable piece of technology we can create … Read more