Arduino Weatherstation - RF Communication

I'm still waiting on my SparkFun Redboards. In the meantime, I received one 433 MHz transmitter and one 433 MHz receiver. Since I have a TI MSP430G2553 and a Duemilanove lying around, I thought I'd get them "talking" to each other.

Arduino Weatherstation - Temperature

I ended up purchasing a DHT22/AM2302 sensor, so I quickly put together a rudimentary Arduino sketch to read the temperature and relative humidity and calculate the dew point.

TI Launchpad Morse Code Generator

In electric circuit theory lab, we were assigned one of several projects using a TI MSP430 microcontroller. I chose to make a simple Morse code generator. I programmed the microcontroller code using Energia, which allows you to program the TI as if it were an Arduino.

This simplifies programming immensely, with functions for outputting square waves and blinking the onboard LED. In hindsight, if I were to re-do this project, I would use the millis()function instead of delay() to set the timing.

Arduino Weatherstation

I'm currently gathering the components to make an Arduino-powered weatherstation. Currently, I plan to measure temperature, barometric pressure, and relative humidity. One Ardiuno will sit outside, preferably near an outlet and measure and transmit weather data via a 433 MHz transmitter. The second Arduino will have a 433 MHz receiver and will receive the first Arduino's weather data, displaying real-time stats.