QRP Radio – Pixie 2 direct conversion transceiver

This certainly may not be the last HF radio I have for the 40m band, but it definately qualifies for my first! I’ve ordered 2 of them for <$10 and expect to put them together next week. Stay tuned as I update this entry. 1st radio is completed, here it is! Defeciencies include: 1. Crystal …

CW Keyer

I’m all over the place sometimes, but I’ve taken a brief left turn to re-engage on some ham radio stuff. I’m learning morse code (or re-learning). I’ve taken a software keyed project (K3NG keyer) and designed a PCB to support the project. This is my first board layout, so let’s see what happens on that …

Signaling Project

Good Enough I’ll be outlining a project for block signaling using phototransistors and an Arduino. The solution will be responsive to moving trains The solution will use block detection for moving trains It will be “good enough” for moving trains It will be upgradeable for DCC communication, with software and an opt-coupler Shapeways A club …