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This $30 ESP32 board is the best smart home upgrade I've made this year
Alexa, you're fired.
Abstract: Every management system is trying to make automatic, portable and remote control. This work presents a novel smart energy meter for an automatic and superior metering and billing system. The ...
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VU meter DIY kit with LEDs | LM3915N-1 LED driver + huge cereal box cardboard glider | How to make it
This time I bring an electronic kit for beginners, this is a very cheap and interesting device that displays audio levels into the LEDs just like any audio level bar indicator will do. It is simple ...
Abstract: Free, widely-available smartphone-based sound level meters have been utilized to collect large quantities of distributed data in short time periods for the efficient creation of ...
Noise in animal housing facilities is an environmental variable that can affect hearing, behavior and physiology in mice. The authors measured sound levels in two rodent housing rooms (room 1 and room ...
The DlmsCosemLib is a Arduino decoder Library for austrian el. energy meters with the P1 DLMS/COSEM interface. Input is the already decrypted payload plaintext of the M-Bus message. The decoded ...
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