Let's Make Robots!

Tips & walkthroughs

 

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I equipped my robot with gripper for moving the objests. Based on questions I will try to explain the construction and operation. This gripper is intended to hold … Read more
Make or duplicate just about anything with Smooth-On liquid plastics
It is all detailed in the Attached pdf file, You can use the same basic method to mold or duplicate almost any part you need for any project. Read more
Drives 2 DC brushed motors. Holds 4A per motor.
Need a 8A  motor driver but don't have a lot of cash, look no further this article describes a simple and cheap solution. This project uses just few electronic … Read more
Makes your servo moves in a smooth way
                          I’ve been working on this for a while and finally I have the courage to post the results. Read more
I decided to build a pan/tilt mount using the DAGU parts I recently received. I did have a little trouble, but overall I'm pleased with the result.  You may notice … Read more
regulates my battery voltage, supplies 6V for motors and servos, 5V for logic
This walk through is heavily based on OddBot's walk through, "Once you've decided on batteries, how do you regulate the voltage?" I highly recommend that you read … Read more
Forget making a LED blink. how do you even get it to turn on? This is a walkthrough for making an LED turn on and off at will, in a small beacon for a robot's … Read more
Introduces Arduino Programming to PICAXE users
There has been a lot of interest in stepping up to the Arduino by PICAXE users. Since the Arduino programming laguage is "C" like and not "BASIC", there are … Read more
Converts the servo for use as a geared motor
It’s always good to have servos that works like a geared motor. That also can go in both direction and speed is adjustable, it’s very handy in robotic project … Read more
Charge your batteries when you can't find the charger (DELETED)
Due to the large number of comments detailing the dangerousness of this, I have decided to delete it. An admin can fully erase this post if they wish. Read more
While building my own 'Start Here' robot, I made a goof. I soldered on about 12 inches of 18 ga stranded wire to the motor contacts. Even though I reinforced it … Read more
***This post started as a poke at rik and his lack of ability to cut brass tube. As it seems people have gotten something from it. Here is a nice, nifty and proper … Read more
Teaches an old clock a new trick
Anyone ever try to modify one of those cheap battery operated analog clock mechanisms as gear train?  It would make an extremely lightweight gearbox for small bot. … Read more
tells you how to adjust the picaxe programming editor to a picaxe 28x1
 in 7 easy steps!   this is made to help all the newbies who come to this site and jump into the "start here"project.    -and by doung that, hopefully makes … Read more
How to program a trusty PICAXE while running Ubuntu (or most Linux distributions)
Well, a small comment in the shoutbox caused several of my LMR buddies to download Ubuntu. Good choice, I like it! Here's a walkthrough to programming a PICAXE in … Read more
gives an input when it is touched
first, you need a clotheshanger, a pair of pliers, some epoxy, and a leaf-spring switch see pic 1 for materials. chop a fair bit off of the coathanger with the … Read more
My mom really looked up to my electronic Wiz and said: Build me an automatic trash can.  So I started planning. You can also build this as i show you how to cause … Read more
This is a quick and dirty guide on how to prepare your photos for use on LMR. Good photos are easier to look at (duh), hold the readers interest longer, and … Read more
Use an LED + digital input as light detector
This walkthrough describes how to use an LED connected directly to a digital input as a light sensor instead of using an analog input and an amplifying … Read more
Generate a 500Hz dual channel PWM using a picaxe 08M
  If you've ever tried to get speed control using a picaxe 08M connected to a L293D, like on the picaxe 08M motor driver board, the first thing you'd notice would … Read more