![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhhnCNF4V7M_KkZtugTv4maKXCgPrUtygp8TYI5ezL-YwHtwozAOGM7SMIpywFzNWagnBe7XefQVyy8nZE1hf1XnYGdXil98Reo-S5jdd2VO_IxsyPgncYFqokSYVPu-gLNsIPvYHI88QW0oegh/s480/bluetooth_morse_keyboard.jpg)
Here's what it looks like in action (as usual please excuse my lack of Morse code skills):
Here's the Arduino sketch that's running on the Trinket. As before there's a buzzer for feedback and the transmission speed is fixed.
If you're into Morse code, I continue to recommend my Android application that listens to Morse code using your smartphone's microphone and translates it to text.
Here's a diagram of the connections:
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEibnrZGO7MJAuv-LXCFZAJjmGjzddSWoZuQVGrLHFRKCQXjLujss365DMByjRIIyetyTKPpPHCNi3k8bldUfPvMq4iq8E7xwxoIzeKUyjoyiL5VHWtg8dqSi9eoig2vHOcEncSE2RDjtc8Yt5OY/s480/bluetooth_morse_keyboard_bb.png)
can u plz detail the circuit diagram.
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