Daily Archives: Monday, September 26th, 2016

Raspberry pi Zero used as a 30 metre Wspr Transmitter

This gallery contains 9 photos.

I have assembled a 30 metre low-pass filter from Language Spy (link here) and soldered header pins to the GPIO on the Raspberry Pi zero. Note that the Pi-LPF kit uses surface-mount components and provides a 7-pole Chebyshev low-pass filter … Continue reading

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