MICROCONTROLLERS IN AMATEUR RADIO
his month, we start with a project from Ken Kaplan, WB2ART, his “KX3 External Tuning Knob.” Elecraft makes an external tuning knob available for its K3S transceiver called the K-Pod. Ken decided he would like something similar for his KX3 (Elecraft’s portable little brother to the K3S). Ken’s project should also work with the even smaller portable Elecraft KX2. The project uses a Blue Pill board from ST-Microelectronics (STM32F103C8T6 <>). Ken is still tweaking his project and its features. He has a website with details, schematic, Arduino code, and circuit board information at <>. One
