Fatbox
Description
This is the STL file for the Fatbox that I've been working on for a while. It's supposed to be a battery module that straps on a Fatshark goggle strap and powers the goggles. Here are the list of pros & cons (biased ofc). Pros - - Easy way to power goggles - Easy setup of goggles - Switch to turn goggles on/off - Voltage readout to determine batt charge (on a switch so it's not constantly on) - Cooling fans to help components last longer - Fits inside the goggle case - Coiled cable that adjusts to head size - Balances front & back weight as it's on the back of your head - Type C charging - Adjustable output voltage to suit needs (Apparently Fatsharks work best at 9v) - BMS for battery safety - Strap holes to strap to goggles - Somewhat clean look Cons - - More weight on head - Due to the design of the case the dc plug can't be connected while in the case - Not the easiest/cleanest build - Costs more than average xt60-dc cable and using existing batts - Design isn't perfect so there might be areas that don't fit perfectly - Due to the size of the pack, it won't be the easiest to fit with the case - Switches used are rather sensitive. Can cause unexpected power losses if pressed lightly - Because it has switches, it can be accidentally turned off while leaning on something - Hot glue kinda looks ugly - Fit isn't perfect due to the desired compactness - Charging takes at least 1.5h due to the regulators being only 2a - Regulators gets pretty hot especially while charging despite the heatsink & cooling fan On my youtube channel I will be uploading a build guide. Channel - https://www.youtube.com/channel/UCxn7E1hXUoJhR0_ShnRDHzQ?view_as=subscriber As mentioned before, the build isn't the cleanest and easiest to do, so it might not be for newbies. Also, make sure to have files around in case a component doesn't fit. Most of the components were mounted using hot glue. List of parts - - Baesus USB Type C female to Type A male (any Type c female converter will work) - 1208YD Self-locking switch DC30v 1A (2) - DC 0-100v mini voltmeter 0.36" - 3007 Raspberry pi cooling fan (30x30x7mm) (2) - MT3608 DC-DC step up converter (I got the one with microusb due to prev. versions) - Sony VTC6 18650 cells (2) - Generic heatsinks - DC 5525 plug - Generic coiled charging cable. I got mine off of a old car phone charger - Li-ion 2s 8.4v 20A BMS (Just get generic 2s BMS) - M2x10mm screws (4) - Antenna used is the ORT Dual Shield antenna I'm not sure why the thing is oriented that way. Just turn it 90˚ so that it lays flat and print. In terms of printing, supports aren't necessary but they do help with the holes & such.
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