Let's Make Robots!
Some years ago I made this software oscilloscope and shared it on this site. Then a couple of years passed without me logging on, and in the meantime the link to … Read more
Measures my Heart activity on a FPGA chip
At Last I have been able to experiment with my  terasic Deo_Nano FPGA Development Board. It uses an Altera Cyclone IV, EP4CE22F17C6N, FPGA chip. My example above … Read more
Control every robot with a customizable app
I just finished a project I have been working on for quite a while now - a fully featured universal Bluetooth remote for Android. Most controllers I have seen on … Read more
Uses the ATMega32u4 of the Pro Micro to pass keyboard commands to a PC based on what footswitch is pressed.
I am in the process of putting together a project for another hobby of mine; music. I am a trombone player, who dabbles with many many other instruments, playing in … Read more
I'm building an Internet-Enabled dog feeder.  Raspberry Pi for brains, running a LAMP server that interfaces with a camera and servo to dispense treats.  More … Read more
Transmitts music without any wires or links!!
  These two rectangle shaped pieces are emitter and receiver of music.The voice is clear , the transmission is nice and clean!!! I hope you like the peacefull … Read more
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