Sensor Cube
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Small (8 cm)³, open-source, ESP32-powered, IoT air quality measuring device with audio/visual alerts and WiFi (MQTT).
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Updated at source:
Model information
- Source
- Printables
- Category
- Portable Devices
- License
- Creative Commons — Attribution — Share Alike
Sensor Cube is a small (8 cm)³, open-source, ESP32-powered, IoT air quality measuring device with audio/visual alerts and WiFi (MQTT).
Resources
Required Parts
See the assembly guide above for more details and additional parts (wiring, sealing).
Microcontroller: Adafruit ESP32-S3 Reverse TFT Feather (comes with separate male headers)
Sensor: Sensirion SEN66
Battery: Flat 3.7V 2000 mAh Li-Po Battery w/ 2-pin JST-PH connector - example
LED: diffused, 5 mm, RGB LED w/ common cathode - example
Buzzer: 3V, 12 mm OD, passive piezo buzzer - example
UCB-C Panel Mount: InLine 33441G USB 3.x female/male
USB-C 3.x 90° angle adapter - example
Power Switch: generic ~4x9 mm slide switch example
Recommended Settings (FDM)
Nozzle diameter: 0.4 mm
Layer height: 0.2 mm
Infill: 15%
Perimeters: 3-5 (enough that the critical parts like the sensor mount are solid and the threaded insert holes provide good grip)
Material: PETG (anything that does not passively emit gases or attract moisture in a significant amount should work). PLA may be too brittle for the sensor mount.
This project was inspired by Sensorbox from @MadeWithLayers .