Daniel Ramirez

Use VEX Parts to Modify an R2D2
October 2016
Take a simple replica toy of a favorite Star Wars character and make it able to move around in its familiar onscreen ways.

Using Digital Sensors with VEX — Part 2
February 2013
Finish construction on the DIY VEX electro-mechanical compass, and get the I2C firmware necessary to make it work.

Using Digital Sensors with Vex — Part 1
January 2013
See how to navigate your robot’s way around by implementing an electronic compass.

Using Advanced Sensors With VEX — the Peltier Effect
July 2012
This time, see what your VEX micro can do to heat (or cool!) things up.

Using Advanced Sensors With VEX — Feel the Heat
May 2012
Did you know you can use VEX Robotics kits in chemistry or biology labs? Check out these experiments using the temperature sensors.

Using Advanced Sensors With VEX — the VR Control Glove
November 2011
Turn an ordinary leather glove into a basic virtual reality control device.

Using Advanced Sensors With VEX
August 2011
“Hear Me, See Me, Feel Me, Touch Me ...” Learn about the dif ferent VEX sensors available that can give your projects a real “sense” of things.

VEX Stepper Motor Control Experiments
April 2011
This time, build a simpler version of the SunBot with beefier stepper motors that are powerful enough to directly drive the solar panel’s azimuth and elevation axes.

VEX Stepper Motor Control Experiments
December 2010
Part 2: Building the VEX Sunbot. Using simple VEX hardware with some PIC18 C firmware, precise and repeatable movements are possible for aiming a solar panel at the sun using stepper motors.

VEX Stepper Motor Control Experiments
October 2010
Learn how to interface stepper motors to the VEX controller and adapt them to the VEX motion subsystem to use in your own stepper motor applications.

Using a VEX Controller for Electronic Experiments
August 2010
This next installment shows you how to develop a user interface for the VEX microcontroller using a DIY LCD display and a numeric keypad.

Using a VEX Controller for Electronic Experiments
June 2010
Learn two methods of interfacing LCDs into your next build as we connect a low cost character LCD to the VEX microcontroller.

Using a VEX Controller for Electronic Experiments
May 2010
Build a DIY numeric LED display that's bright and easy to read, while at the same time conserves battery power and precious I/O pins.

Using a VEX Controller for Electronic Experiments
March 2010
In this series of articles, you will perform simple experiments initially, then build to more elaborate VEX Projects.