The Scent-terrific Smart Candle is made of wax, flickers like a real flame, emits scents though a wax warmer, and is controllable by Alexa!
Project tutorial by Darian Johnson
A smart system that can help anyone compost. The system aerates and hydrates your compost, and lets you know when you need to take action.
Project showcase by Team Boomer Sooner
Smart IOT Propane Pedestal capable of tracking propane level as well as detecting any propane leaks. Integration with Amazon Alexa.
Project in progress by A Bit Gassy
Alexa-enabled, Arduino IoT project to keep your packages safe and secure from theft, water damage and prying eyes when you are not home.
Project tutorial by Castle Locker
This device will allow you to open your door by asking Alexa to open it for you.
Project tutorial by Keith Caskey
Yeah, I actially went away from the MQ4 sensor because I didn't think it was (a) accurate and (b) value add. Voltage requirements is 5V.
I created a second version that uses adafruit feathers - https://www.hackster.io/darian-johnson/the-compost-professor-a-smart-composting-system-6a02f9
No, we're not commercializing it. Thought about it, but have found that the cost outweighs the benefit. Those that really care about composting wouldn't use it. And those that are looking to get into composting probably wouldn't make the initial investment.
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