[Neumi]’s sounding rig uses an off-the-shelf sonar depth sounder, one with NMEA, or National Marine Electronic Association, output. Combined with a GPS module and an Arduino with an SD card ...
The case is custom made and nicely complements the wood and brass of the J.H. Bunnell and Co. sounder, which still sounds great after all these years. Test your Morse skills in the video below ...
NOW the clocks have gone back, it’s the ideal time to get your sleep sorted. A good night’s rest makes everyone feel better and some easy adjustments to your shut-eye routine does not cost much.