A VX-8DR GPS and audio interface board on November 06, 2021 Amateur Radio APRS Electronics FFS Yaesu GPS Seeeduino Xiao VX-8DE VX-8DR +
A simplified VX-8DR GPS design on March 07, 2021 Amateur Radio APRS Electronics FFS Yaesu GPS Seeeduino Xiao VX-8DR +
An English guide to the Hong Kong amateur radio license on August 17, 2020 Amateur Radio OFCA Radio Frequency Interference +