Electronics Projects
Hardware builds from scratch: SWR meters, radio interfaces, and DDS controllers.
SWR & Power Meter
A homebrew SWR and power meter for monitoring antenna performance during transmit. Uses a directional coupler and two diode detectors for forward and reflected power measurement.
📈 View SWR Meter DetailsIF10C — Interface for Kenwood Radios
A custom interface board for connecting Kenwood transceivers to a PC for CAT control and logging software integration.
🔌 View IF10C Interface DetailsDDS Controller with PIC 16F628
A PIC microcontroller-based DDS (Direct Digital Synthesis) controller for generating precise RF signals. Includes an LCD display and rotary encoder for frequency selection.
⚙️ View DDS Controller DetailsDDS VFO with ATTiny85 and Si5351
A Direct Digital Synthesis (DDS) VFO controller based on the ATTiny85 microcontroller driving SI5351 VFO. Enables precise frequency generation for receiver and transmitter projects with digital accuracy.
Type: DDS VFO Controller
Interface: Rotary encoder + LCD display
Electronic Keyer
A standalone electronic Morse code keyer with iambic paddle support, adjustable speed, and memory keying. Built on a compact PCB for use in both home station and portable operation.
🔑 View Electronic KeyerArduino Automation Projects
Arduino-based projects including band decoders, antenna switchers, and keyer automation.
🔧 View Arduino Lab