[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.
The Modern Analog Soldering Station — Hackaday
There is a certain sense of accomplishment one gets when building their own tools. This is what [Alejandro Velazquez] was going for when he built his own soldering station. Sure you can get a decent station for a pittance on Amazon, or eBay. You can even build your own microprocessor controlled station. [Alejandro] is currently… via…