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,…
[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,…
via DIY Mini Helical Antennas From Salvaged Co-ax Cable — Hackaday
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. Continue reading
