Multi-Mode Telemetry Beacon

Morse Code (CW)

 

Prototype breadboard of the CW/Hellscreiber transmitter

L to R: USB serial board, Arduino Stamp and SparkFun 434 MHz module

 

Schematic Diagram of the 434 MHz transmitter

 

Keyed CW output routine

Click HERE to download the full code for keyed CW

 

AM modulated CW output routine

Click HERE to download the full code for AM modulated CW

 

Flight-ready prototype using the Cypress PSoC CY8C29466 microcontroller

(can substitute the Arduino in it's place)