KF4BZT Article – Good information for new builders!ĭL1SMF Keyer Project ( English Deutsch)- Stefan has details on his hardware which is pin compatible with this software and his own software. Use 1k resistors I am in the process of updating the schematic. 1K ohm resistors are better suited than the 100 ohm transistor base resistors shown in the schematic. No values are super critical and typical tolerance components may be used. D2, D3, A0, etc.) All capacitor values are in microfarads (uF), unless otherwise stated. Note: Ignore the numbers on the outside of the Arduino symbol and refer to the numbers within the box for pin connections (i.e.
N1mm logger cw memories serial#CW keyboard (via a terminal server program like Putty or the Arduino Serial program, or a USB / PS2 keyboard).Optional LCD Display (Classic 4 bit LCDs and I2C displays supported).Optional PTT outputs with configurable lead, tail, and hang times.Logging and Contest Program Interfacing via K1EL Winkey 1.0 and 2.0 interface protocol emulation.
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