We have received the Seeed Studio 2-Channel Wi-Fi AC Relay for review. It is an IoT/Smart Home device featuring a 2-channel relay (wet contact) that operates over a WiFi network, and provides an ...

Industrial electrical equipment is often affected by power supply disturbances, most notably voltage sags. Numerous Electric Power Research Institute (EPRI) studies have found that common, general ...

103030009，Relay Shield v3.0 提供四个高质量继电器，可以控制 Arduino/Seeeduino 板的高电流负载。它还提供NO（常开）/NC（常闭）接口 ...