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.”
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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.”
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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.”
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