The VK3AQZ MK4 rig was published in the WIA AR magazine over 6 issues. The rig uses 2 independent VFOs controlled by a pair of Arduino Mega2560s. The sketch files, and libraries used, are contained in the zip file below. Use the libraries in the zip files. Other libraries may work but not guaranteed. The full details are contained in the magazine and contents are held by the WIA. The first issue was Volume 87, Number 6, December 2019.
Downloads for the kits supplied by me but no longer made.VK3AQZ RX kits update for new SO239 29th Sept 2011 Lid screw attachment hint RF deck assembly screw alignment problem knobs too tight on shafts problem VK3AQZ RFPM1 power meter kit V1 VK3AQZ ATTENUATOR kit manual VK3AQZ CAL1 kit V1 TAP40 kit dBm to voltage conversion chart Uniden 2020 service and misc info ZIP file =========================================