We’ve reduced printed circuit board design to practice so much that we hardly give a thought to the details anymore. It’s so easy to bang out a design, send it to a fab house, and have ten boards in your hands in no time at all. All the design complexities are largely hidden from us,… via…
DIY Mini Helical Antennas From Salvaged Co-ax Cable — Hackaday
[Mare] has a visual guide and simple instructions for making DIY mini helical 868 MHz antennas for LoRa applications. 868 MHz is a license-free band in Europe, and this method yields a perfectly serviceable antenna that’s useful where space is constrained. A metric 5 mm drill bit makes a convenient core.The process is simple and well-documented,……
JOTA 2018 Scouting Nootdorp participation
This year I agreed to participate in Jamboree On The Air activities with the Scouting group Nootdorp. This group never had the change to join a JOTA before so it was their first time. I helped a few times with JOTA-activities but never as the lead amateur. So there was a connection as first timers.