The Tworse Key is a standalone device that connects through a standard LAN cable, the Morse signals are decoded by the built-in Arduino Ethernet board, which delivers the final message though the Twitter API.
Morse Key (search on Ebay) Arduino Ethernet board (or alternatively an Arduino plus Ethernet shield)
piezo buzzer for auditory feedback
50 Ohm resistor to connect the buzzer
RGB LED (common anode) for visual feedback
10k Ohm resistor to connect the LED (reducing its brightness)
a RJ45 ethernet cable
9V Battery + connector (for internal use)
5V power supply (for external use)
USB FTDI cable to program the Arduino Ethernet board
a wooden box to mount the electronics and Morse key
various cables and soldering equipment
Handmade CW keys by RA1AOM CW FOREVER !
You must have at times,
Thought into the past,
Where some things go out
While others last
What comes to my mind is
The old Morse code,
That has weathered the storms
9A5N Solid State CW Paddle – new sense of CW keying Photo by DM9EE
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HamGadgets Ultra PicoKeyer KIT The Ultra PicoKeyer is an advanced, super low power iambic keyer with a long list of standard features. Here are the main features of the PicoKeyer Kit:
Super simple operation, even with advanced...