Program the TI Chronos Watch to send Morse Code

Program the TI Chronos Watch to send Morse Code

Dr.[D]obb is a ham radio enthusiast[call – WD5GNR]. He managed to program his Chronos to “beep” the current time in Morse Code. All he had to do is write a little code in the idle loop of ezchronos.c. He used OpenChronos as his firmware and gcc for compilation. Video after the jump.

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Balancing a Two Wheeled Robot with an MSP430F1232

Balancing a Two Wheeled Robot with an MSP430F1232

[P]i wanted to develop something creative for his entry into the Texas Instrument’s MSP430 Design Contest(2006). He came up with an MSP430 balancing a two wheeled robot. The robot’s wheel base consists of a damaged Microsizer car. Using only the rear end of the car with the drive components, some silicone to dampen the vibrations, a PCB and a carbon rod, he was able to come up with a good enough chassis to test his inverted pendulum theory. Video after the jump.

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MSP430 “CookHa” Monitors Gas Usage

MSP430 “CookHa” Monitors Gas Usage

[B]oseji uses the MSP4302013 controller to monitor Liquid Petroleum Gas[LPG] usage by tracking changes in temperature for specific cooking patters. The temperature sensor is located near the flame area avoiding the need to tap into the cylinder’s lines resulting in complex installation procedures.

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MSP430 Chronos Controls a Robot Arm

MSP430 Chronos Controls a Robot Arm

[C]hristian writes about controlling a robot arm using the MSP430 Chronos kit from Texas Instruments. The Chronos is a development kit from TI and comes with a built in three axis accelerometer, a temperature sensor and an RF transmitter.

After playing with the basic kit features, he created a simulator for his robot and interfaced it to the Chronos. After completing the communication protocol for the actual robot arm he had, he was able to make it follow his movements.

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TI MSP430 Launchpad for $4.30

TI MSP430 Launchpad for $4.30

TI recently launched a cheap and easy to use development tool based on the MSP430 low power microcontroller. The Launchpad includes a development board, 2 programmable MSP430 micrcontrollers and a mini USB cable.

This is a very slick deal for beginners and hobbyists who wish to learn the chip. The Launchpad wiki is a good place to start.

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Boost your MSP430 with more I/O

Boost your MSP430 with more I/O

At times, too many I/O pins is never enough and sacrifies need to be made. [K]im came up with a setup to expand the number of I/O pins on his MSP430. He uses two serial to parallel converters(74HCT595) to give him an extra 16 pins of output and two parallel to serial converters(74HCT597) for 16 pins of input. His code implements a simple bit-bang procedure to clock in/out code and data. Bit-banging these chips frees up any hardware serial ports that could be useful elsewhere.

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Interfacing the MSP430 to a ScreenKey

Interfacing the MSP430 to a ScreenKey

Screenkeys are becoming incresingly popular in Point of Sale setups. These are programmable keys which have an LCD back packed over it. This allows the programmer to dynamically change the function and label of the key which works like a soft button. These are available as 32 x 16 pixel and 36×24 pixel keys, The LC series require only a clock and data line for key control.

[R]udy created a simple “fast finger”  game using a ScreenKey.

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