DIY GPS for Nikon DSLR

DIY GPS for Nikon DSLR camera. The project was inspired by DIY GPS Module for Nikon DSLRs by Martin Matysiak.

Project repository: https://github.com/4x1md/nikon_gps

Development tests of the assembled board: development_tests.md

DIY 1:1 balun for HF bands

The balun was made on T200-2 toroid ferrite core based on 1:1 VOLTAGE BALUN article by VK6YSF.

Core parameters: OD = 50.8mm, ID = 31.8mm, Ht = 14.0mm, AL = 12.0nH/N².

Useful toroids information: http://toroids.info/T200-2.php.

RTTY/AFSK Interface for Android Phone or Tablet

Finally, I finished the description of my RTTY Radio-Phone project. The PCB was developed in KiCAD PCB and produced by PCBWay.

For more details see RTTY/AFSK Interface for Android Phone or Tablet repository on my Github profile.

Assembled prototype of the GPS for Yaesu VX-8

The second prototype of the GPS for Yaesu VX-8 built mostly with SMD components.