Let's Make Robots!
simulation
Angle bars are frequently used for strengthening purposes. Shown here are two ways that may be used on the angle bars: Method 1) Weld one of the flanges onto the … Read more
Goes 20.2 mph, reduces life expectancy
Most of the electric skateboards for sale today are big, heavy, and ugly.  The company promising to change that, Boosted Boards, is charging nearly two grand for a … Read more
LM4755 amp it is a fun project i always like to build audio projects, i repair amplifiers.   chips: power amp chip(LM4755) preamp chip(LM4562) EQ 3 band(LM4562) … Read more
Sits on your desk and looks cool.
I made this a while ago and I thought I might as well post a page for it. I printed this on a Printrbot Simple 2014. V1 printed successfully for me, but I … Read more
Produces a variety of colors from an RGB LED using PWM
A simple RGB LED demonstration. First Part : Various Colors on Display (Mixing of RGB colors to produce other colors using PWM) Second Part : Fading Action using … Read more
Controls a Fan Speed based on room temperature
This is a POC I made for a friend. Looked it up on the net and decided to give it a try. The setup is made of a DS18B20 temp sensor to mesure room temperature and … Read more
As some of you know, my work is more and more related to SMD design. I just love how compact and robust these designs can be. I have no problems soldering the … Read more
It tells you the number of people who entered/left your room based on IR
  I'm using an IR LED an IR sensor and an 8 digits screen to show the number of people. When you go throughlaser the sensor sends a 1 signal to the screen.  this … Read more
Controls robots and other things using 32 bit ARM processor from NXP
I have been using NXP LPC1114 controller chips lately. I used them in the robots I am building with my kids, the Valdez family … Read more
Replace mechanical limit switches on my CNC mill
As some of you are aware, I have a small desktop milling machine (Taig) that I converted for CNC control. And a very useful feature to implement on a CNC machine … Read more
 IR sensor module:  (IR LED, photo diode + little amplification)             Read more
You might remember an earlier post I made with regards to a Robert Murray Smith Indigogo campaign , btw thanks to any of you LMRians for contributing, he exceeded … Read more
Update 6/7/14 Added .brd and .sch files below of version two. This version is slightly smaller and has considerably wider traces for everything that uses … Read more
It is a simply and easily to operate monitoring alarm system about temperature humidity and smoke.
This DIY temperature & humidity & smoke alarm system based on ICStation Mega 2560 compatible with Arduino. Read more
Controls a robot, integrated motor driver
Link to eagle schematic and board layout files   Update 6/7/14 Got the new boards back from OSHPark and assembled one Friday evening. I'm happy to report a … Read more
Just more Hoff goofiness :O I thought it would be cool to repurpose some old vacuum tubes to jazz up a project. The base of the tubes I used are made of plastic … Read more
Just make people looks awesome
The last couple of days all our stuff prepared something for the Maker Faire. One of the gadgets is a pair of steampunk goggles which are designed be our mechanical … Read more
The Garden's Camera based on Raspberry Pi (with motion detection)
Picammory The Garden's Camera based on Raspberry Pi (with motion detection) Introduction This project build a high definition camera from a dummy outdoor … Read more