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Production of Diskio Pi

Diskio Pi, an Open Source touch device, compatible with Raspberry Pi / Odroid

A proposito del progetto

Assemble the elements in 2 hours, choose your nano computer and place it in the machine. Diskio Pi is the most versatile touch device on the market.

  • Compatible with nano PCs up to 4Gb RAM (ARM, x86, x64)
  • ​Can be used as an external touchscreen
  • Up to 13 hours of battery life with the battery option
  • Full hackable, upgradable and customizable

Diskio Pi is a fully repairable hybrid touchscreen kit device (assembly instructions here), whose the hardware can be updated with additional boards. Compatible with development boards such as Raspberry Pi or Odroid, this hardware is open source. The funding will enable the manufacture of 20 to 50 units, with 3D printed cases and custom electronic boards.

You have the possibility to print yourself the case, the STL and STEP files are available in gitlab.com website.

It is now also possible to integrate the screen into the case you have designed, or even to use only the daughter board in your assembly !

 

What for ?

 

Diskio Pi is for makers who require a large touch display.
Each copy will be unique, because YOU are the maker of your OWN machine. We just provide the material to make it. Diskio Pi is also the ultime machine to create your retro gaming console, with or without batteries.

Build a large, portable retro game console

 

Diskio Pi is the ideal open solution that can serve as extra computer, learning code machine, or media center, to control your home automation, but also Diskio Pi can serve as living room tablet or to equip your vehicle.

The device is equipped with a capacitive touch screen and a 13.3 inch HD screen.

 

All-in-one case for SBC (Small Board Computer) with integrated stereo audio and touch interface, with possibility of a battery equipment.High definition & touch screen with HDMI and USB inputs to use the HUB. Diskio Pi can be used as a secondary display for your laptop, or even your video game console !

Due to the 3D printing method, the surface finish may be slightly lower than the visuals presented
(non-contractual photos).

Compatible with the official Raspberry Pi camera (V2, 8MP), front or back position.

High definition IPS screen with 10 points touch glass
Each element has been designed to build your own tablet according to your desires, with an effective adaptation of your SBC board.
Here is an example of configuration with a Odroid C2, 3 battery packs and the cooling solution, driven by the daughter board (board on the left).

Diskio Pi has been designed to be as thin as possible, depending on the constraints imposed. When you look at the screen side, the thickness is no longer visible.
With the 3-position switch, you can use the device with an external HDMI source without uninstalling your internal SBC.

 

Diskio Pi was designed like a PC, but in a portable hybrid format !

 

The SBC board is fixed on a plate, which is clipped into the tablet. Many different cables will ensure the compatibility of about ten types of boards.
Here are the main ones :

Clipsable & replaceable hat, to adapt new L boards.

 

What's in the basic kit ?

 

The basic kit contains all the parts to build your tablet, powered by cable.
The case is 3D printed, and is delivered with this pack.

- Screen and flat cable x 1
- Touch glass with USB controler board x 1
- 3D printed ABS case x 1
- Racks plates & nylon spacers x 2
- Daughter board x 1 (USB 2.0 HUB + power + fan controler)
- Video controller board with OSD board and cable x 1
- Ethernet & sound jack board (L board) x 1 
- Internal cables for :  Raspberry Pi (1, 2, 3 B/B+ and Zero W, WH), Odroid C1+, C2, including Ethernet & HDMI internals cables.
- Internal ribbon cable & connector for external HDMI input x 1
- AC/DC power adaptor with EU, UK or US cable x 1
- Screws and a small screwdriver x 1 set
- Assembly instructions x 1

The daughter board : power, USB 2.0 HUB, fan controler (adjustable), HDMI input

The "L" board, which is replaceable with new functionalities. For the first one, you'll find an Ethernet port and an audio sound jack.

 

The Diskio Pi equipped with an Odroid C2 board and Android 5.1 operating system (version 6.0 available)

Using the internal USB HUB, you can plug a mouse, a keyboard, a large dongle... If you're using another board than Raspberry Zero, one native USB port is free to plug a flash drive.

  • It is also possible to use your SBC board outside the screen for prototyping, by powering it directly via the screen and the vertical USB port:

 

Prototyping with Diskio Pi using the external HDMI port

 

  • Internal GPIO access is also provided: a flat cable will be available in the Diskio Pi shop. Note that this access cannot be installed with the VESA option.

GPIO access: a pre-cut hole is provided to adapt a flat cable.

  • For external sound: to anticipate a future audio output, a connector will be present on the Lan board. The internal audio cable, which must be connected to the display board or directly to the Pi, will be sold separately on the Diskio Pi website.

The basic version is the best choice for any DIY home automation installation. Encase the device in a wall, and only 12mm thikness is visible. Safe and discreet, as you need.

For the final version, the design will be modified with more square corners and some adaptations due to the constraints of 3D printing.

 

Given some fragile and small parts, the assembly must be done by an adult, or a child over 12 accompanied by an adult.

 

The SBC board is not included in the kit

 

SBC Compatibility

The external display function is compatible HDMI version 1.4. In the case you would like to adapt the UP Board, the original equipment UP fan is required.

Diskio Pi equipped with the UP board & Windows 10

 

Diskio Pi naked version (without case) with Android running (Odroid C2)

 

The options

 

The general concept of the Diskio Pi project is to propose as many options as possible. Some are available now, others will be available only if the funding reaches a threshold.

 

The battery option is available right now

 

Each battery pack is composed of two cells

 

This option will allow you to make your Diskio Pi machine transportable. Battery packs are custom-made, and deliver a current of 7.4V. As the technology used is LiPo (lithium polymer), an internal electronic circuit is used to improve safety and prevent short circuits.

This option, consisting of 3 packs (6 LiPo cells), is delivered with a gauge board. This gauge will operate with a micro-switch button and activate an RGB (multicolor) LED that will change color according to the charge level of the cells.
As this map has not yet been developed, the funding will also be used to study this map.

The capacity of each pack is 3500 mAh, so a total of 10500 mAh will be available to run the screen and a Raspberry Pi about 10 hours, or 8h30 hours in charge.

Battery life depending on SBC board type and use

 

The options available by steps

 

  • Already available:
    The cooler is composed of a heatsink (25x25) with thermical pad, a fan, and the temperature sensor. You have just to place the cooler on the SoC and plug it at the daugther board. The cooler is recommanded if you want to use Diskio Pi with any Odroid board, or with the Raspberry Pi 3 B+.
     
  • Update of 23 January 2019
    The 3D printer used: from a certain number of parts produced, it should be essential to equip the workshop with a reliable and fast machine. Investing 3000€ in a pro (or semi-pro) machine is therefore essential to obtain a guaranteed and satisfactory result.
  • The VESA plate is compatible 75x75. This option is necessary for specifics configurations and uses. At work, for a public use... Or just to adapt your own VESA stand.
     
  • Other options, like POE support, double SD card reader with external swich, or other specials boards will be also available in the future.
    If the number of sales is very high, we can also consider manufacturing injection moulded plastic parts, starting with the front frame.

If the percentage of funding is reached and you want an additional option, it is possible to change the contribution to the one that includes the desired option (a news will inform you).

At the end of the funding, a questionnaire will be sent to you to summarize your wishes according to the amount of your participation.

 

Device Specifications

 

  • ​Screen

Brand : Innolux 
Size : 13.3 inches
Resolution : 1920*1080 px
Surface treatment : Brillant
Type : TFT[IPS]
Brightness:300 cd/m2 (Typ.)
Viewing Angle :85/85/85/85
Contrast Ratio:800:1
Signal Interface :eDP 30 pins
Lamp Type:WLED

  • Touch interface

Structure : G/G (glass/glass)
Technology : capacitive, 10 points
Interface : USB 2.0
Hardness : ≥6H

  • Daughter board

Genesys Logic USB 2.0 Hub x3 (external 2x + internal 1x)
Buck converter 9V to [email protected] (Power circuit)
Temperature control (with cooler input)
Connections with the SBCs by cables: (USB, Ethernet, power, HDMI).
USB 2.0 Output to use the touch glass with an external SBC or computer
HDMI external input

  • Ethernet board

Simple extension board, unshielded ethernet connector without LED
Audio jack connector 3.5 mm (stereo)

  • Screen controler board

HDMI 1.4 to eDP converter
Stereo DAC via HDMI, stéréo amplifier class D (1W)
Speakers : 2 x 1W
"portable screen": HDMI internal flat cable.

  • Power adaptor AC/DC (9V-3A) & EU, UK or US plug
     
  • External In/Out

2x USB 2.0 out (500 mA)
1x 9V jack
1x HDMI in
1x USB 2.0 in
1x USB Power out (2.5A)

  • Optional

Charge / discharge / balancing circuit for the batteries (2S2P and 2S3P), with:
Battery pack Full: 6 LiPo cells 7.4V, 10500mAh

  • Size

Width : 335 mm
Height : 240 mm
Thickness max : 35 mm
Thickness min : 12 mm

  • Weight

without batteries: 1275 g
with 6 cells: 1650 g

  • Protection

IP 20

  • Case's color & material 

ABS matte finish, black 

  • Garantee

The garantee is 12 monthes for all the parts (except wrong handling). We change just the defective part. In the case of the screen, if the reference does not exist anymore, we replace it with a close reference and new compatibles brackets.

A cosa serviranno i fondi ?

The pledges are either complete devices (with or without batteries), or only the boards without the case. Users will be able to print their own shells, as the 3D files are available for free download on the GitLab website. The boards can also be adapted to a support other than the proposed design (wooden, polycarbonate..., free to the user to choose).

 

The ambition of the Diskio Pi project is to imagine a new way to take advantage of our digital datas, while having the greatest possible hardware flexibility.

In addition, the ecological aspect will be soon the strong point of our proposition, because we must exploit our end of life devices in a better way than today. 
Our needs for rare earth are growing, and we must save natural resources. To do this, replacing what is necessary seems essential, in addition to recycling.

We want to taking the lead proposing a new electronic consumption mode, more responsible and more respectful of the nature.

A proposito del progettista

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