Let's Make Robots!
Helps you print accurate
Hi,  I have decided to post this after yesterday I have lost lots of time trying to get a fan mount I have designed to print. What's worse is that the part in … Read more
LDO current regulator for power LED
Challenge You've got a power LED? Great! Build a flash light! Read more
Gets you in touch with the world
This is a displacement resistance type touch sensor. It uses conductive foam as the resistive element. If you would like to see a video Walk-through of how to … Read more
Shows the relationship between wheel angle and speed of robot.
When I posted my Omnibot page, I said I'd make a video attempting to make some of the counter intuitive math easier to understand. The attached video is my first … Read more
I found this amazing tutorial that breaks down Path Planning so even *I* can understand it. I thought many of you might appreociate it and the other links I have … Read more
Provides Guidance in Planning Robot motion
My friend Jon Hylands had asked a simple question the other day as to whether I used Finite State Machines in my code.     I quipped back "Of course! Is there … 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
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
Our honored LMR founder Frits has been contacted by marcmart.com an electronics distributor. They asked him about writing a review for a Makeblock product. So Frits … 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
Plug in up to 4 servos - the servo wires will be extended through a single CAT6 cable
Now there is a clean and simple way to extend servo wires using a CAT6 cable. These CAT6 extension boards allow the user to plug up to four servos into the row pins … Read more
Increase torque or reduce noise in DC brushed motors
By default, most Arduino pwm outputs are set to about 490Hz or 980Hz. These frequencies work quite well with small dc brushed motors but can cause unwanted noise or … Read more
Information on the Picaxe 28 project board
I was working on my LMR robot and I made this Picaxe 28 information picture for my upcoming robot article. I modified this picture to show the ports and mine has my … Read more
UPDATE: Now with UART(ish)! (3/2/2014)Robot Metallurgy 101: PWMRobot Metallurgy 101: UARTI thought I would journal my work as I begin to venture from the … Read more
Build real-world embedded solutions get and learn how to use a +40 I/O (16 PWM's) microcontroller board for $12, lab-based course.
Using a
Do you want to learn real robotics from inside?  UPDATE 25-May-2014: videos about servo control by potentiometer and automated successfully! Read more
Teaches the basics of PID-based line following, wins you a couple of line following competitions!
UPDATE : (07/10/2014) Added a PDF version of this tutorial and a sample video of a PID based Line Follower. UPDATE : ( 01/16/2014 ) A few updates on making things … Read more
Combines an ATtiny 85 and HM-10 (BLE)
Using a
UPDATE: Added BOM corrections. (Sorry for floating.) Ok. Here's a finished board I've been working on for a bit. In essence, it is a BLE node board.  It combines … Read more
For object avoidance, the ultrasonic or the ir range finders do not always see and object and i often notice my robot running into things and getting stuck. I … Read more
Allows any Arduino board to accept commands from an IR receiver
Most homes these days have at least 1 infrared remote control for controlling the television. These remote controls can also be used to control robots or even to … Read more