M5Stack's new Core Matrix packs 256 LEDs, Wi-Fi 6, motion sensing, and an ESP32-C61 into a tiny $30 IoT development kit.
A ready-to-use Arduino program for the Grove Beginner Kit For Arduino by Seeed, used for the Arduino practical work (introduction to sensors, actuators and the automation of a laboratory step). All ...
There are plenty of “robot” projects out there that are really just a small remote control platform of some sort. We often like to think of robots of having some sort of autonomy though. [Luca Fagioli ...
Thomas Grove is The Wall Street Journal's Bureau Chief for Russia. Formerly based in Moscow, he has reported on Russia, as well as Central Asia and the Caucasus, for more than 10 years. He has worked ...
Build a DIY ESP32 LoRaWAN sensor node to track garden temperature and humidity from up to 600 meters away. Includes PCB design and Datacake setup.
Continuous glucose monitors have become popular among people who have diabetes and those who need to track their glucose levels. These devices are painless and can easily sync up to an app on your ...
Air sensor monitors that are lower in cost, portable and generally easier to operate than regulatory-grade monitors are widely used in the United States to understand air quality conditions. This ...
Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...
EPA has established air sensor loan programs independently and through collaborations with libraries, tribes, museums, and others to enable the public to learn about air quality in their communities.
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