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MCM Electronics Daily Deal and Bulk Bargain

Every Police Car needs flashing lights

Posted December 4, 2014 by Chris

"This weekend didn’t afford me enough time for personal projects, but I did have a few moments to solder connections onto the LED system on the RC police car I’ve been modifying."

Dual Servo Walking Robot

Posted May 28, 2014 by Chris

"Hi, I bought two small servo motors last month. I was thinking what I can do with this two servo, since it is only two in number. Then I asked this to my friend Achu Wilson and he suggested me to try a four legged two servo walker and he shown a youtube video in which some one demonstrating it. Then I also got interested to make some thing similar to that."

The Cramp – MSP430 Powered Desktop Crane Lamp

Posted March 2, 2014 by Chris

"The Cramp uses an old HDD as its base, with the crane spinning around the main bearing that previously supported the platter. A system of spools and pulleys provides a reasonable range of motion to the rest of the build. Relocating the entire assembly, however, is evidently an unpleasant task."

Using Sensors To Navigate A Marble Labyrinth

Posted February 25, 2014 by Chris

"Lately, I’ve been working with different sensors as part of my day job at TI. TI happens to have recently released a booster pack for the Stellaris and Tiva launchpads that contains (among other things) an accelerometer, a gyroscope, and a magnetometer. I figured I’d use my recent experience to do something fun with sensors in my free time :)."

Spoke Ink – Persistance of Vision for your Bike

Posted May 14, 2013 by Chris

“Take your MSP430 for a spin with Spoke Ink! Spoke Ink is a booster pack that attaches to the spokes of your bicycle wheel. Using an array of 32 RGB LEDs and a magnetic sensor, this booster pack projects a bright, upright image right from the spokes of your wheel. Using our software, you can create this image from any bitmap.”

A Microcontroller-Based Phase-Locked Loop

Posted December 28, 2011 by Chris

“So here is the strategy: for a Softrock-class radio, we will use a phase-locked loop (PLL) that tunes using a resolution of 8kHz, say, and which might lock onto the frequency a little slowly. We will do this by dividing a crystal oscillator down to 8kHz, dividing a variable frequency oscillator by some integer so that it produces 8kHz when tuned to a desired frequency, and lock them.”

Interfacing TI Launchpad to Digital Caliper

Posted December 17, 2011 by Chris

“MSP430 Launchpad from TI is a new, very affordable (4.35$), value line development platform. It uses MSP430G2231 – msp430 series mcu and includes everything you’ll need to start programming the msp microcontroller. In this article I’ll show how to use this development platform to read data from digital calipers and send it to a PC RS232 serial port.”

Wall-Climbing Ceiling-Walking Robot

Posted December 5, 2011 by Chris

“The goal of this project is to construct a digital controller for a w all climbing micro-robot. There are two kind of wall-climbing micro-robots in the lab. One is called ‘Flipper’, the other is called ‘Crawler’. The restrictions such as small size, light weight and low power consumption must be complied when designing the miniature robot.”

Pythagoras: A Drawing Delta Robot

Posted July 30, 2011 by Chris

This article introduces a gigantic etch-a-sketch in the form of a triple hinged robot. To control the system, either a capacitive touch sensor is used or pre-programed drawing movements. 3 Large servos control the 3 arms of the robot and an MSP430 launchpad is used for the control system for the core I/O.

RGB LED Coffee Table

Posted July 29, 2011 by Chris

In a demo of what the MSP430 can do, here’s an LED Coffee Table that groves with your music. The MSP430 is used as a controller and external software catches the FFT of your music telling the controller how everything should light up to flow with the music. If you like this project give it a Vote at TI’s website.