CircuitPython 提供了一种和微控制器板进行交互的革命性方式。这篇文章介绍了如何使用 CircuitPython 来监测温室的温度、湿度以及环境光，并且使用 CircuitPython MQTT 客户端将结果发布到一个MQTT中介(broker)。你可以在若干个程序中订阅 MQTT 队列并进一步处理信息。

The operating principles of our approach are closely related to those of magnetometers based on spin precession in atomic vapours. In particular, detecting the relative energy shift induced by a ...

A highly sensitive diamond quantum magnetometer utilizing nitrogen-vacancy centers can achieve millimeter-scale resolution magnetoencephalography (MEG). The novel magnetometer, based on ...

Top Country data and analysis for United States, Canada, Mexico, Germany, France, United Kingdom, Russia, Italy, China, Japan, Korea, India, Southeast Asia, Australia, Brazil and Saudi Arabia, etc. It ...

(Nanowerk News) VTT Technical Research Centre of Finland has developed an innovative magnetometer that can replace conventional technology in applications such as neuroimaging, mineral exploration and ...

MITCHEL FIELD, N.Y., March 27, 2025 (GLOBE NEWSWIRE) -- Frequency Electronics, Inc. (“FEI” or the “Company”) (NASDAQ-FEIM), a leading provider of precision timing and frequency technology, today ...

Adafruit have announced the availability of its new Triple-axis Magnetometer offering a sensor capable of sensing ranges from +-50 gauss (+- 5000 uTesla!) with no range-setting required. For high ...