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PA3FWM's Software Defined Radio (pa3fwm.nl) 4 points by picture 2 days ago | past | discuss The Polyphase Mixer (2022) (pa3fwm.nl) 1 point by f_devd on March 18, 2023 | past Nixie-clock using neon lamps as logic elements (2007) (pa3fwm.nl) 26 points by _Microft on July 26, 2021 | past | 2 comments Puff microwave CAD software on Linux (pa3fwm.nl) 2 points by gballan on Feb 19, 2021 | past Nixie-clock using neon lamps as logic (2017) (pa3fwm.nl) 119 points by Ivoah on March 9, 2018 | past | 16 comments

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