Let's Make Robots!

Tips & walkthroughs

Takes servo outputs and sticks them in a Picaxe
Using a
I had asked in a forum post if a picaxe could "read" a servo output comming from another source... Thanks to the OddBot, as he nailed it. By the way, O.B. I simply … Read more
Make your Picaxe x-series chips sing!
So, want to add a little tune to your drumming machine? Want something more than just a beeping noise for your robot to produce? Then you have an easy … Read more
Detects objects at close range. Can be used for object tracking.
Now with video of the sensor being used as a Mintvelt inspired object tracker! This sensor is a short range obstacle detector with no dead zone. It has a reasonably … Read more
an example of a driver for a brushless DC motor without microcontroller
This is a continuation of my blog on the same subject. Please continue your commenting here.     I am the proud owner of a stack of scavenged hard drives. I hoped … Read more
Sometimes you want to be able to go at different speeds, usually to make serial connections. Here is a snap on / off way of setting it up
Update: Note that the newer Picaxe models can change a lot by commands like setfreq alone :)   This is only for dummies like myself using Picaxe 28Xx standard … Read more
transmit data via wires or IR from and to an MCU (Picaxe)
  (Notice: this walkthrough is going to be updated as i don't have time ATM to make videos and photos, so stay tuned!)   INTRODUCTION:  Hi guys, here's what i … Read more
this would be your first chip
IntroductionMany circuits, precooked or home made, deal with time related issues and many of those are dealt with by this IC: The *555* IC. It comes in many shapes … Read more
Recently I posted a tip on using the anti-static foam your IC's come in for pressure sensors. This show you how to apply that tip to your robot. Read more
Senses position of joint, no moving parts
I needed some positional sensors for an arm on a new robot I'm building but pots were too big and would have been difficult to mount since you want the axis of the … Read more
Gives feedback to your robot brain...
Encoders, Encoders... Encoders can be used to provide feedback info to your pic to let it know what the mechanics of the machine are doing. In the case of this … Read more
As a request of BOA, here is a short video about what you might need to get started in welding steel. Read more
Allows you to input keyboard commands into your picaxe
Using a
So one thing that I have been wanting to do is connect a keyboard (PS/2) to the Picaxe. This is the first step to a whole slew of applications. Control Robots with … Read more
Here's a simple analog pressure sensor I read about years ago in "Robot Builders Bonanza".  It's not an accurate pressure sensor since it's affected by … Read more
LED matrix wall is suddenly very hot recently. I also make one for fun. It can be used as a speech synthesis talking face, message display board, a Internet … Read more
saves versions of files during dev process of code
Source control is an important part of development, whether it be for a website, a major application, or robot instructions/thoughts because you never know what you … Read more
Ever wanted to know if your battery has just the right voltage to run your robot. Sometimes I stick a battery in a robot and it just limps over. I figures that the … Read more
Materials: 1 picaxe 28x2 servos hooked up to 6 & 7 on the board1 laserpen hooked up to 0 on the boardHow to: Download the attached programEnter your text in it … Read more
Description An H-bridge circuit typically provides motor control in robotic designs. Low voltage, low amperage control signals (TTL) are used to control motors. … Read more
Navigates around in its target enviroment using three i.r. sensors and one ultrasonic rangefinder
Hi guys I have noticed the need here of an arduino start here robot.  Therefore I present to you Bob V.2 from the instructables website!!! For those asking why not … Read more
Learn the terminology, and which package to choose for your needs.
     If you've ever had to use any kind of IC, chances are you've heard of quite a few package types. IC packages are split into two main groups, through-hole, … Read more