Posted April 24, 2016 by Chris

"The Keyglove is an innovative new way to interact with your technology. A wearable, wireless, open-source input device, the Keyglove provides unprecedented flexibility and convenience for gaming, design, art, music, data entry, device control, 3D object manipulation, and even inexpensive telepresence."

Posted March 9, 2016 by Chris

"I have experimented with GPIO on the Raspberry Pi, just turning an LED on and off here. But since then Ben Croston has improved the RPi GPIO Python library to do most of the work in C and I can confirm that it is a lot faster. Driving servo motors requires precise timing, so I decided to see how the Pi would perform this task."

Posted February 9, 2016 by Chris

"Dual Motor L298 H-Bridge Control project can control two DC motors connected to it. The circuit has been designed around popular dual H-Bridge L298 from ST. This circuit has current sense resistors for both H-bridges to provide voltage which enables this board to use in stepper motor applications."

Posted February 5, 2016 by Chris

"I’m taking a microprocessor applications class this semester and the final project was to spend the last three weeks making whatever I wanted. I ended up making a Chip-8 emulator for the PIC32MX270F256B microcontroller. Here’s the final circuit."

Posted February 3, 2016 by Chris

"Three weeks before the Houston Maker Faire Chris came to me asking if we could whip up a low cost giveaway for the faire. I wanted to giveaway something more than a blinky LED badge since that is the typical electronic swag at Maker Faire. It had to be something that the person would wear and would want to show off to other Makers to spread the word about MacroFab. Blinking LEDs are always necessary though."

Posted February 1, 2016 by Chris

"This section explains the details of the hardware and software used to create the eye-tracker controlled robot arm. Hardware: USB LEGO Cam, Simulated Eye, and LEGO Mindstorms NXT Robot Hand"

Posted January 21, 2016 by Chris

"I have just recently finished this board, and been able to test it briefly with Springboard and also with the VAB-820. The picture just below shows the shining blue LED, that is tied to D13 – the 13th digital pin, as most Arduinos do."

Posted January 11, 2016 by Chris

"At the end of this month, I’ll be leaving my current job. I therefore thought it’d be a nice occasion to build a new business card for my future interviews. You may remember the first version of my business card made more than one and a half years ago (time flies!). It was basically made of two PCBs soldered together."

Posted November 5, 2015 by Chris

"A simple single-sided board that connects a RS-232 serial port to the Raspberry PI and breaks out some of the PI’s pins for experimentation. The interface board was designed to be simple and used for initial experimentation. It can be built on a single-sided PCB using home-made PCB fabrication methods."

Posted September 16, 2015 by Chris

"In this post, I’m going to cover a new project I recently finished – creating a device that monitors a washer or dryer and sends a text message when it detects that a load of laundry has finished. Beyond the novelty and simplicity of receiving a text message when the laundry is done, I built this device for two reasons."