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IRNAS.EU | @institute_irnas CC BY-SA 4.0
IRNAS – OPEN HARDWARE INSTITUTEModular open hardware design for
electronics and 3D printing
Luka Mustafa – [email protected]@slomustiS56MC
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
Presentation outline● Overview of multiple open hardware projects● Discussion of design choices● Keep an eye out for lessons learned● ASK QUESTIONS!● Touch all the prototypes, have a good look at
them.
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
WHO AM I?● Luka Mustafa - Musti (MEng)
● electronics, telecoms, hardware hacking, …● Institute IRNAS Rače (non-profit development)
● Shuttleworth Foundation Fellow● University College London: PhD student● Also active in :
● HAM radio S59DXX● wlan slovenija
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
nodewatcher
Organizations
Projects
Non-profit research anddevelopment
For-profit prototypingand production
Affordable manufacuring toolset
Open hardware bio lab
Network deployment, monitoring and provisioning
Wireless optical communication
Open source 3D bioprinting
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
KORUZAOpen source open hardware wireless optical communication system.
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
KORUZAis a wireless optical internet access system, empowering an instant optical network roll-out in high-density urban networks with minimal infrastructure investment and ensures long-term interference-free operation.Data is securely transmitted point-to-point over a collimated beam of light at 1 Gbps or 10 Gbps throughput at distances up to 150m.KORUZA is the first affordable free-space optical system (FSO), enabling next generation last-mile connectivity and versatile installation options.It is low-maintenance and operates an active link protection, overall offering a short return-on-investment (ROI).
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
Light-speed networking.No cables, no congestion.Ten times cheaper.
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
Radio spectrum congestion.
Radio spectrum congestioneliminated with Koruza.
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
CREATING AN ULTRAFASTWIRELESS OPTICAL NETWORK
INCREASING THE CAPACITY OF COMMUNITY WIRELESS NETWORK
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
Use-cases
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
Point-to-point bridgingKORUZA is a perfect wireless communication solution to transmit 1Gbps or 10Gbps between buildings, across, the road, river or any other terrain.
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
Increasing the capacity of existing networks – WiFi
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
Expanding the reach of FTTHKORUZA expands the reach of existing wired optical infrastructure by extending its reach with minimal installation costs and provides true optical connectivity to the customer.
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
Last-mile mesh networkKORUZA includes routing capabilities to create a mesh network between a number of buildings and enables covering a large number of buildings with fiber capacity in days. Zero interference operation enables delivery of maximum speeds even to most distant customers.
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
Evolution
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
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PROBLEMS
● complicated assembly● expensive lab equipment● superglue● irrelevant existing research
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
3D printing the whole KORUZA system
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
Using spring couplers from Troublemaker in KORUZA
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
Using sliding bushings from Troublemaker in KORUZA
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
Modular design with steel rods & 3D printed components that are standalone
KORUZA 1.0
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
KORUZA 1.0● Fully modular mechanical design.● Enables easy modification for a variety
of use cases.● Improved stability and reliability.● 3D printed parts designed in
OpenSCAD environment.● Interconnection with stainless steel
rods.● Automatic alignment and tracking.● Available as a DIY kit.
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
TESTING
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
Fog Scientific Testing● Evaluation of the link
performance in low visibility and presence of aerosols in the atmosphere.
● Experiment design using dry-ice, fog machine and smoke flare.
● Outdoor conditions simulated in a 50m PVC corridor.
● Green laser visibility measurement system.
● Testing facility
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
Fog scenarios
Moderate/typical autumn fog ~6dB/100m
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
Maribor TestNetwork
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
Pro2016
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
FUTURE PROOFCOLLABORATIVE DESIGN
TOTAL OWNERSHIPFAIR PRODUCTION
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17.3.17 37IRNAS.E | @institute_irnas IRNAS.EU | @institute_irnas CC BY-SA 4.0
WHAT ISGOOD ENOUGH
FOR YOU?
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
Empower individuals and communitiesaround the world toBUILD, FIX, HACK, MAKELOCALLY.
Credit: Nepal Communitere
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
EFFECTIVELY OPENAccessible
GOOD ENOUGHAffordable
MODULAR DESIGNSustainable
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
Suitcase kit of essential parts.
Source heavy and big sizedcomponents locally.
Build it anywhere aroundthe globe!
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
open hardware as baselinemanufacturing solution
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
Hybrid CNCPlasma Cutter
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
Hybrid CNCMill
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
Trolley and z axis
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
• Reliable wiring of DIY machines is often problematic- Ground loops- Intereference
• Can be solved with shielded cables, grounding and opto-couplers• Why not use fiber instead?• Toslink cable to every stepper
- Driver on stepper- Only fiber and power required
ToslinkCNC – fiber optic cnc machine control system
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
Toslink Receiver-transceiver
Using IDC-10 connector
Using terminal blocks
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
Toslink Transmitter
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
Arduino Shield Planet CNC Raspberry Pi Shield
Toslink Transmitter
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
Troublemaker 3D printer
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
Collaborating with Communitere to enable sustainable disaster recovery in Nepal
Cre
dit:
Nep
al C
om
mun
itere
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
Credit: Nepal Communitere
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
Credit: Nepal Communitere
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
Solar powered GoodEnoughCNC
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
GOODENOUGHCNC+
OPEN DESIGN =
BUILD SOLUTIONS LOCALLY
Credit. faircap.orgCredit. aker.me
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
Saving endangered green turtles with open source turtle tags – PitStop Tag
Credit: Alais Dair
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
Symbiolab – open and DIY biolaboratory● an open space for research, citizen
science and bioart● development of "good enough" DIY
laboratory equipment● educational workshops and exhibits
Fields of interest:● urban farming● biomaterials● analytical biology● sustainable development● biomedical engineering
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
COLLABORATION WITH SAFECASTDeveloping SolarcastSafecast Solarcast sensor device is designed to operate off-grid and sense environmental parameters. It consists of 5 key modules designed for maximal reuse.
Modular design● Air sensor module ● Geiger sensor module● Battery power module● Communications module● Gateway module
KEY DOCUMENTATION: https://github.com/IRNAS/Solarcast
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
BATTERY MODULE
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Battery power module – Iot Battery Pack
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
COMMUNICATIONS MODULE
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
COMMUNICATIONS MODULE● Main processor: NRF module nRF52832 ANT● GPS module● 3G module● Accelerometer● Connectors for all other module (reusing USB)● Expansion connector and lots of unused features
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
GEIGER MODULE
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
GEIGER MODULE● BLE module NRF nRF52832 ANT (optional)● Geiger pancake sensor (may be a stack of two)● Temperature and humidity sensor (optional)● 5V power supply via USB connector (no USB
data)● LED activity indicator
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
AIR MODULE
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
AIR MODULE● BLE module NRF nRF52832 ANT (optional)● Particle sensor Alphasense OPC-N2 (SPI)● Particle sensor PM2.5 PMS 5003 (UART)● Temperature and humidity sensor BME280
sensor (I2C SDO high 0x77)● 5V power supply via USB connector (no USB
data)
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
GATEWAY MODULE
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
GATEWAY MODULE● LORA module Microchip RN2483/RN2903● SMA connectors for 434MHz/868MHz ● SSD1306 i2c display (optional)● 5V power supply and 3V3 regulator● Status LED for each RPi and LORA module
(optional)● Temperature and humidity sensor (optional)
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
KEY GUIDELINES FOR OPEN HW DESIGN
● Expect unexpected uses and support them● Modularize to simplify● Add debug features, connectors and more● PCBs are cheap, do not make them smaller● Document iterations so others can learn● Serial numbers + check lists are your friend
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IRNAS.EU | @institute_irnas CC BY-SA 4.0
DEBUGGING FEATURES● Add a header with all pins connected to them for easy
access and measuring● Add a bypass header for every switch● Add more LEDs then needed● Unpopulated components on a board are ok● Add 0 ohm resistors to every power line, debugging short
circuits is then easy● Test modules individually
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17.3.17 73IRNAS.E | @institute_irnas IRNAS.EU | @institute_irnas CC BY-SA 4.0
Connect@institute_irnas
irnas.eu
THANK YOU!
CC BY-SA 4.0