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Improv: Open modular compact computer

The Make · Play · Live organization, which designs devices with the OpenHardware philosophy, presented its first development: a dual-board modular computer designed for developers.

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The device itself essentially consists of two modules:
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Computing Module

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Processor: ARM Cortex-A7 1Ghz dual core (Allwinner A20)
GPU: Mali400MP2 with OpenGL ES 2.0 / 1.1
RAM: 1GB DDR2
Storage: 4GB NAND flash
Video output: Micro HDMI (video + audio)
USB: Micro USB OTG
USB2 host
Network: 10/100 Mbit Ethernet
Ports: i2c, 8 GPIO, UART0
Weight: 40 grams

Expansion Board

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USB: Fullsize USB2 host port
Network: 10/100/1000 RJ-45
UARTO: Pins:
1: GND
2: 5VDC
3 TX
4: RX
EEPROM 32K Serial EEPROM (i2c address 0x54)
SATA: SATA II interface connector
Casing: Sturdy Metal Case
Power: 6-12VDC, up to 2.5A. Recommended 9VDC or less.
Green power status LED.
44 PIN DIL Pins:
1-29: RGB / TTL interface
30-31: i2c SDA / SCL lines
32-39: 8 GPIO for user's choice
40: uBoot (Short to GND to enable)
41-42: TX / RX UART0
43-44: GND / 5VDC
Weight: 60 grams

Pre-installed software

Distribution: Mer OS
Kernel: Linux 3.x: SunXI 3.4, upstream Linus tree merge ongoing
Init: systemd
Userspace: GNU
Package format: RPM
Software management: zypper
Build service: dedicated OBS farm
Display: X.org, Wayland, framebuffer, Linux console
Toolkits: Qt4 with QtQuick1, Qt5 with QtQuick2, KDE Platform Libraries 4
Graphic environments: KDE Plasma Desktop and Plasma Active
Developer SDK: Mer Platform SDK

The cost of this device: $ 75

Source: https://habr.com/ru/post/203674/


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