资讯

Arduino Light Sensor in 60 Seconds (Photoresistor Demo!) - Releases · 0xHiTek/Arduino-Light-Sensor- ...
Thus, they entered a heart rate sensor to our 2025 One Hertz Challenge! The build is based around a Wemos D1 mini, a ESP8266 development board.
Light pollution, caused by indiscriminate use of artificial lighting at night, is a growing threat to astronomy, the environment, and other fields. Monitoring light pollution can help inform local ...
A research team at Los Alamos National Laboratory recently found that the strength difference between two very high-frequency radio pulses in lightning is closely related to the altitude of the ...
A light direction sensor, SAR ADC, and energy harvesting photodiodes are integrated on a single chip based fabricated in a 0.18 µm process. No external power supply is needed for the chip to operate.
The best bike lights help you see, be seen, and stay safe when cycling at night. Our expert Will has over a decade of night-riding experience, and here are his favourite lights and his guide on ...
The three victims were found shot to death inside two cars along a remote stretch of desert road between Lake Los Angeles and El Mirage, officials said.
Neighbors say they're concerned about how a proposed golf course would impact the water supply, traffic and fire station access.
The LED light ring at the very top of the handle can be customised (through the app) to glow with your choice of 12 colours and it will stay lit as you brush, acting as a pressure sensor (flashing ...