Let's Make Robots!

Most Collected: Tip/walkthrough

As a beginner I was having trouble to figure out how to hook up SSC-32 with arduino to create multi legs robot. Looking around all forum for solutions and sample … Read more
As I’m into SMD soldering for the moment I wanted a vacuum pickup tool. So the first thing I tried out was a manual pickup tool for eBay like this one That … Read more
Did you know you can make your own custom characters for a picaxe LCD display? You can make up to 8 different custom characters using the cgram wizard under the … Read more
Let's take a look at Text-to-Speech & show you an example of how objects can be used.  My other tutorials (including my written objects guide) are here. The … Read more
Shows digits on a display using a shift register(74HC595) ,a PIC and c code
I recently killed an old cd player, and one of the parts i salvaged from it was a dual digit 7 segment display. My plan is to make the Pic send data to the shift … Read more
Bluetooth Low Energy Breakout
Using a
Here are some random notes on working with the HM-10.   Working RX/TX LEDsHow upgrade the HM-10Pseudo Star-Networking HM-10s   Working RX/TX LEDs Read more
At ServoCity, we field a high number of tech questions that deal with how to determine the proper spacing between the teeth of two mating gears. This spacing is a … Read more
Alternative way to get diagnostic data while minimizing timing impact generated by the Serial.print function.
While developing routines for my rover, especially diagnostic routines to identify sensor errors or conflicts, I have been using the Serial.print() function.   … Read more
So i finally managed to have the Picaxe USB Cable working under linux. Not the programming editor of course, just the serial connection. You can use it to … Read more
Might please your eyes.
We had a SB discussion today. Some people got problems with the new color scheme in the Arduino IDE. Suggestions from birdmun hit my curiosity and that's the … Read more
This is a continuation of my Robot Metallurgy 101 Lesson Journal. After I was able to get my motors moving using the SN754410 I became a little obessessed with … Read more
music and sound fx with minimal program memory usage
  Want to add cool music / sound effects to your project but don't have the required program memory? Want to avoid long codes to only add some fancy sounds to … Read more
Plays wave files from a AVR based MCU with very little external hardware!
Using a
Last year I wanted to add sound to a bot so I wrote a program that plays wave files.  I later rewrote it so that it would be completely interrupt driven so that I … Read more
Determine the distance to a detected object with a single camera and no other sensors
If you have OpenCV code that draws a rectangle around a detected object but want the code to know the distance to the object, no need to add another camera or any … Read more
Use A4988 stepper driver to drive two DC motors instead. Make use of currentlimit to control speed.
EDIT: Some speed control, new code example and video added 21.2.2014 See below " SOME IDEAS" section for more information.     I ordered some well known pololu … Read more