OpenIris/docs/Hardware.md
2022-11-01 20:21:55 +01:00

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### Hardware is supposed to be:
- Cheap
- Off the shelf and readly available
- Easy to work with
- Fast enough for send a live stream
### So far all the boxes have been check by:
##### Base components:
- esp32-cam
- ov2640 IR with 160 degree FOV
- esp-32 programmer
#### Alternative possibility:
- raspberry pi zero
- ov2640 IR with 160 FOV
#### Powering it on:
Just like a [slimevr trakcer](https://docs.slimevr.dev/diy/components-guide.html)
- 2x1N5817 SCHOTTKY diodes
- TP4056 USB-C charging board
- a bipositional switch
- A 800mAh Li-Po battery
This will make the eye tracker last for about 9 - 10h of playtime.
One could also power it though a USB port as the esp requires only 5V and 300-500ma
A usb battery or two lipos with a 5.1v power regulator should also do the job.
#### Radical alternatives for a camera
Shave off the IR filter off of any camera module:
https://marksbench.com/electronics/removing-ir-filter-from-esp32-cam/
#### Ommited because of safety
I'm ommiting any IR emmiters here purposfully - I have no idea if any of them are safe to use for prolonged periods of time and thus I leave them out.