Black Cloud Patterns Toward The Future

Patterns Towards Da Future

Antero Garcia, Reza Naima and Greg Niemeyer (PI) with Rhea Cortado, Laura Greig, Nik Hanselmann, Eric Kaltman, and Daye Rogers

Thanks, Dan and BAM

Black Cloud: Do not look

Orpheus and Eurydice

Black Cloud: Look

Five Virtues: Hyperlocal Data

With increasing maturity, activity which does not give back results of tangible and visible achievement loses its interest.

(John Dewey, Democracy and Education 1916).

Play and games are “relief from the tedium and strain of ‘regular’ school work."

Five Virtues: ARG Embodiment

Five Virtues: ARG Embodiment

Cloudy left the Building

Five Virtues: Pattern Mods

Five Virtues: All Ages

Five Interfaces: Pufftron

Five Interfaces: Pufftron Power

Likewise...

Common issue with protruding appendages...

PoE48V over unused wires in cable Aesthetic and practical benefits of only having one connector RJ45 Connector is robust

Linear Regulation (first version)

Heating Power = Current * Voltage Dropex: Cell Modem 2A * (9-3.8)V =10.4W of heatImpractical for PoE at 48V

ex: 2A * (48-3.8)V = 88.4W of heat

Switching Regulator (MAX5090)More complicated implementationMore supply noise 90+% efficient

Five Interfaces: Pufftron Power

Five Senses: Light

Sunlight is the source of all energy around here. Light-dark cycle controls circadian rhythmLight pollution clouds the night sky and disrupts the circadian rhythmOverexposure to artificial light has detrimental health effects

If you stay up late, keep the lights low.

Vishay TEMPT 6000:small footprint, linear output, precise position, accuracy and precision are high

Fixed alignment problem with old light sensor

Five Senses: Temp. and Humidity

Temperature, to track heat waves and global warmingHVAC homeostasis produces straight temperature lines for indoor sensors. Outdoor sensors read distinct day-night cycles.

A green aesthetic would value the diurnal cycle over homeostasis.

Sensirion SHT-11: Digital Temperature and Humidity Sensor, accuracy and precision are high

Precalibrated14-bit ADC 2-Wire Serial Interface

Noise pollution leads to hearing lossGreat indicator of place and activityEasy to test on sensor interactivelyGreat data from Zellerbach Hall and Zellerbach Parking in Berkeley.

A green aesthetic would seek to lower baseline dB.

dB (air pressure) sensor via microphone, accuracy is low, precision is moderate, calibration is poor, plenty of averaging, average of maxima are more revealing than plain averages.

Five Senses: Noise

Five Senses: CO2

Tomato Quintet CO2 from human breath, rotting plants, and combustion (cars, industry, smoking) concrete curing and deep cleaning Egypt, Russia, UAE denied permissions to sense and share

A green aesthetic promotes data transparency.

DCS 305e Sensor: Laser CO2 absorption type: accuracy is moderate and precision is high, device is calibrated but drifts over periods of two years and needs to be recalibrated, consumes much power. Interface by pretending to be LED driver.

Five Senses: VOCs

Volatile Organic Compounds include in alcohol (beer!), methane, tetrachloroethylene, solvents, paint Dry cleaners observed buildup over week, decided to vent more, but energy cost was too high.

A green aesthetic would reduce frequency and increase regeneration

Figaro 2602 electrochemical VOC sensor, broad range of sensitivities, accuracy and precision are moderate, but good enough to see cycles of pollution and regeneration.

Five Interfaces: Pufftron Comm.

Communication via SMS:Telit GM862-Quad Cellular ModemStrange Interface (implement faux-pushbuttons)bursts to 2A of current consumption when transmitting

TX: AT&T Unlimited SMS plan RX: 25 * 60 * 24 * 31= 1.1 Million Messages /Month1. At $0.02 per SMS for gateway

service: 1.1M*.02 = $22k/Month2. Or use AT&T SMS to email

gateway (text to 111)Backend: postfix -> procmail -> perl script that populates DB

Not viable for international deployment because different cell companies require custom firmware and custom plans.

Five Interfaces: Pufftron Comm.

Communication via Ethernet:

WizNet100SR Daughterboardrequires PoE RJ45 connector with magneticsGets IP via DHCPConnects to hardcoded Server IPStreams serial from Microcontroller (AVR) to remote server (176 line of Perl)Server:

Accepts multiple connectionsgets data (querystring format)inserts data into DB

Next Steps:Wifi! (ZeroG)

Five Senses: The Quiz

Five Interfaces: Database

Five Interfaces: Database

Five Interfaces: Database

Five Interfaces: Database

Five Interfaces: Community Stories

Five Interfaces: Community Stories

Five Interfaces: Community Stories“A genuine community life does not organize itself in an enduring way purely spontaneously. It requires thought and planning ahead. The educator is responsible for a knowledge of individuals and for a knowledge of subject-matter that will enable activities to be selected which lend themselves to social organization … and in which the activities in which all participate are the chief carrier of control”.

–John Dewey,

Experience and Education, 1938

Five Interfaces: Alternate Reality

Five Interfaces: Alternate Reality

Five Interfaces: Alternate Reality

Five Interfaces: Alternate Reality

Five Interfaces: Direct Action

Five Interfaces: Direct Action

“Gardening … need not be taught either for the sake of preparing future gardeners, or as an agreeable way of passing time. It affords an avenue of approach to knowledge of the place and farming and horticulture have had in the history of the race and which they occupy in present social organization”

–John Dewey Democracy and Education, 1916

Five Virtues: Pattern Mod

To our Sponsors: Thanks

Counter-Narrative & Student Voice

Engineering Perspective

Power Source : Battery, wall wart, PoE, SolarVoltage regulation (Linear vs. Switching)Physical power connector

Means of Remote TelemetryWired: Ethernet, USB, SerialWireless: Bluetooth, Zigbee, WiFi, Cellular

Local Display LED's vs Screens

SensorsRange, accuracy, precision CalibrationSensitivityInterfacing

PowerInitial Implementation: Linear Regulation

HeatingPower = Current * Voltage Dropex: Cell Modem 2A * (9-3.8)V =10.4W of heat

Impractical for PoE at 48Vex: 2A * (48-3.8)V = 88.4W of heat!!

Next version: Switching Regulator (MAX5090)More complicated implementationMore supply noise 90+% efficient

Display

Easy to read from a distance, but does not draw too much attentionMatrix of LEDs requires M+N I/O lines for MxN LEDsInterrupt routines update LEDs

Five Virtues: Ambient Display