FPV dock for a diversity receiver module (no cover)

thingiverse

__Links to the parts contain Banggood's affilate metadata.__ https://www.thingiverse.com/thing:3500798 # DOCS TODO: * add smaller screw sizes (for the step-down holder inside) # Intro I needed a docking station for the [Eachine PRO58](https://www.banggood.com/Eachine-PRO58-RX-Diversity-40CH-5_8G-OLED-SCAN-VRX-FPV-Receiver-for-FatShark-Goggles-p-1160357.html?rmmds=search&ID=516466&cur_warehouse=CN&p=X314102609367201509L&custlinkid=190190) module as I still use my Skyzone goggles without any module bay. This is an enclosure designed to fit: 0. Standard photo tripod nut (1/4" UNC) 1. 5V step down converter 2. goldpin female headers 3. 4-pole mini-jack socket as audio/video out, could be improved with additional components splitting the video. 4. DC socket. 5. 3 microswitch buttons (optional, working only with [WPRO58 firmware](https://github.com/piodabro/WPro58), could be improved with additional components # Parts * Pololu D24V25F5 5V, 2.5 DC step-down voltage regulator * DC in socket [2.1/5.5 DC](https://www.conrad.pl/p/zlacze-niskonapieciowe-cliff-zlacze-meskie-niskonapieciowe-cliff-scd-026-zlacze-zenskie-do-wbudowania-pionowego-55-mm-735640) * Signal output socket [4-pole 3.5 mm jack](https://www.conrad.pl/p/zlacze-jack-35-mm-tru-components-718612-zlacze-zenskie-do-wbudowania-pionowego-ilosc-pin-4-stereo-srebrny-1-szt-1567105) * Screws 1x 1/4" UNC 5x longer M3x20 screws to hold the main case together 5x flat M3 nuts for the longer screws 2x small M?x? nylon screws to hold the Pololu board 2x small M? nylon nuts # Assembly 0. Print the parts, you will also need a [module cover](https://www.thingiverse.com/thing:2833336) for your module. 1. Slide in the 1/4" UNC screw in the bottom 2. Connect the audio/video out from goldpins to the minijack 3. Connect the DC in to the Pololu 5V step down converted 4. Connect the Pololu output to the goldpins. 5. Connect the buttons to the goldpins 6. Use the screws to assemble everything together. [Great WPro58 diagram with pinouts](https://github.com/piodabro/WPro58) # Summary When fully assembled, it should be compete with the retail products as: * [FuriousFPV Dock-King FPV Ground Station](https://www.banggood.com/FuriousFPV-Dock-King-FPV-Ground-Station-and-True-D-Diversity-Firmware-V3_7D-Combo-p-1314243.html?cur_warehouse=CN&p=X314102609367201509L&custlinkid=190188) Of course without any extra features. # Please feel free to propose improvements https://github.com/wojked/fpv-module-dock