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Trying the Numato Lab Waxwing Spartan 6 development board.

Waxwing Spartan6 Development Board is a low-cost FPGA development board with a lot of features including DDR SDRAM, 100M Ethernet, AC97 codec, and DVI-D. Waxwing Development Board features Waxwing Xilinx Spartan-6 FPGA Mini Module with high-density connectors for external IO interface.…

Building a HB9CV for the 2 Meters Band.

My favourite soldering station. I build and fix my circuits using the Weller WXR3.


Building my home-made HB9CV antenna.

The HB9CV antenna was developed by the Swiss radio amateur Rudolf Baumgartner HB9CV in the 1950s.

The HB9CV allows for reasonable gain, a good front / rear gain ratio, and most of all: reasonable dimensions . It…

Programing and testing an LCD using the Microcontroller.…

I’m building this HF SDR transceiver. The transceiver uses an Atmel Atmega Micro-controller. The project progress will be updated when I have some free time.