StickTime Pi case: Raspberry Pi 4 + 5.8 GHz VTX + 40 mm fan (FPV sim box)
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Raspberry Pi 4, a 5.8 GHz VTX and a 40 mm fan in one box: the free StickTime Pi FPV sim for analog goggles.
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Updated at source:
Model information
- Source
- Printables
- Category
- RC & Robotics
- License
- GNU General Public License v2.0
A box for StickTime Pi: a Raspberry Pi 4, a 5.8 GHz VTX and a 40 mm fan, all in one. The Pi runs a free FPV sim and sends the picture through the VTX into your analog goggles. You fly it with your own radio.
How it cools
The fan hangs under the lid's grill and blows straight on the VTX, the hot part. The VTX sits on an open frame, so both of its sides get air. Then the air crosses the Pi and leaves through the slots above the ports. Only the AV plug and the antenna come out of the box.
PETG or PLA, 0.2 mm layers, 3 walls, no supports. Outside 92 x 110 x 42 mm. The lid STL is already upside down.
Parts
base.stl, lid.stl and one frame for your VTX (see below)
40x40x10 mm fan, 5 V, 2 wires
12 heat-set inserts M3 x D5 x L4 ("Voron" inserts)
M3 screws: 4x 8 mm (lid), 4x 14 mm (fan), 4x 6 mm (frame)
4x M2.5 x 6 mm for the Pi, and 4 small screws or 2 zip ties for the VTX
Which frame
frame_<spacing>_<screw>.stl: the spacing is your VTX's hole spacing (16, 20, 25.5 or 30.5 mm), the screw is the one that fits its holes:
M2: 2.0 to 2.5 mm holes, most 16x16, 20x20 and 25.5x25.5 VTXes
M2.5: 2.5 to 3 mm holes
M3: 3 mm holes, most 30.5x30.5 VTXes
A VTX with odd holes, or none, is strapped to the frame's bars with two zip ties. There are 10 mm between the board and the fan for a heatsink.
Assembly
Press the 12 inserts in with a soldering iron: 4 in the lid's fan pad, 4 in the frame posts, 4 in the bosses on the long walls.
Fan onto the lid's pad, label away from the lid, 4x M3 x 14.
Pi onto its standoffs, 4x M2.5 x 6. The SD card goes in and out through the slot in the end wall.
VTX onto the frame, frame onto its posts, 4x M3 x 6. The antenna goes out through the notch.
Wires: the AV plug into the jack, the SmartAudio wire from pin 7 through 1 kO, 5 V (pin 2) and ground (pin 9) if the VTX takes 5 V from the Pi, the fan on pins 4 and 6.
Lid on, 4x M3 x 8.
Make your own
Everything is a parameter in the OpenSCAD file: hole spacing, screw size, height, openings. Source and full instructions: github.com/juricabi/sticktime-pi/tree/main/hardware/case
The sim itself, free and open source: github.com/juricabi/sticktime-pi
Video: youtu.be/Khq31t_4pqc