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Update README.md
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maxim-perumal committed Sep 9, 2020
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Expand Up @@ -17,8 +17,9 @@ All the links are at: Relativty.com

Start Building Halfdive
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<picture: 3D Render of the headset>
Building The Hardware
<p align="center"> <img src="ressources/img/open.jpg"> </p>

**Building The Hardware**
The hardware is based on the Halfdive Motherboard which includes an Atmel SAM3X8E ARM Cortex-M3 processor and uses an MPU-6050 as it’s IMU.
Alternatively, any processor that supports the ArduinoCore and is connected to an MPU-6050 can be used as the hardware for Halfdive. Both methods are explained below.

Expand All @@ -39,6 +40,8 @@ soldering the components onto the naked PCB. You’ll have to buy the components

Where to position those components on the PCB is described in the file `Halfdive_Electronics_source/motherboard.brd` which can be opened in Eagle.

<p align="center"> <img src="ressources/img/motherboard.jpg"> </p>

**Using an Arduino**

An alternative to the Halfdive Motherboard is to use an Arduino Due and to connect it to an MPU-6050.
Expand All @@ -48,6 +51,7 @@ Then click the `ERASE` and the `RESET` button on the Arduino Due and you’ll be

Installing The Halfdive Firmware
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<p align="center"> <img src="ressources/img/cards.jpg"> </p>
You’ll now need to install the Relativty board in the Arduino IDE. To do that copy that JSON URL: https://github.com/Relativty/.../.json and open the Arduino IDE

In Arduino, Click File and then Preferences
Expand All @@ -73,13 +77,15 @@ This is the strap we use: https://loremipsum.com and this is the foam: https://l


**The screen for the HMD**
<p align="center"> <img src="ressources/img/display.jpg"> </p>

Relativty Headset runs a dual-screen at 120FPS 2K, however, because of the open nature of Relativty you can equip it with any screen.

Our model can be found on Aliexpress, but depending on the vendor similar screens can cost from $180 to $300. This is the model we used: https://loremipsum.com.

Setting Up the Software
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<p align="center"> <img src="ressources/img/front.jpg"> </p>

**Installing Relativty Driver for SteamVR**
The Relativty Driver is contained in the `Relativty_Driver/Relativty` folder. You’ll need to set it up by editing the JSON file `Relativty_Driver/Halfdive/resources/settings/default.vrsettings` before you install it.
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