Evan FeenstraGermán JD
Published © GPL3+

Air Quality Sensor + Masked Authenticated Message Broker

Open source air quality sensor posting data to a Masked Authenticated Message broker, enabling collaborative data sets on the IOTA Tangle.

IntermediateFull instructions provided2 hours820

Things used in this project

Hardware components

Adafruit Feather HUZZAH with ESP8266 WiFi
Adafruit Feather HUZZAH with ESP8266 WiFi
×1
DHT22 Temperature Sensor
DHT22 Temperature Sensor
×1
SSD1306 OLED screen
×1
mq-135 air quality sensor
×1
button
×1
Solderless Breadboard Full Size
Solderless Breadboard Full Size
×1

Hand tools and fabrication machines

Wire Stripper & Cutter, 18-10 AWG / 0.75-4mm² Capacity Wires
Wire Stripper & Cutter, 18-10 AWG / 0.75-4mm² Capacity Wires

Story

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Schematics

Air Quality Sensor

Schematic of the air quality sensor

Code

Helix: Masked Authenticated Message broker

Helix enables the creation of digital twins and open data sets on the IOTA Tangle. MQTT + HTTP + AMQP + MAM

Air Quality Sensor

This sensor reports CO2 levels, temperature, humidity, and current location to an MQTT broker.

Masked Authenticated Message explorer

Browser-based MAM explorer lets you post and read Masked Authenticated Message streams on the IOTA Tangle

Credits

Evan Feenstra

Evan Feenstra

1 project • 2 followers
Germán JD

Germán JD

0 projects • 0 followers

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