Description
When building a single-encoder CTR2-Dial using your M5Dial you can add a 3.5mm CW paddle jack for remote CW keyer control if your control app supports it. This interface includes the 3.5mm stereo jack and a PCB with the voltage divider circuits to reduce the 5 volts supplied by the M5Dial down to 3.3 volts for the input pins on Port B of the M5Dial.
NOTE: The CTR2-Dial firmware license is not included with the purchase of this item. It must be purchased separately.
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