We must ensure the components are connected correctly as per the above circuit diagram. Note that we can't directly drive the water pump from the Arduino UNO R4 Wi-Fi peripheral pins. For that, we ...

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 ...

The ultra-low-power series is targeted at energy-constrained applications, powered by a battery, ultracapacitor, or power harvesting circuit. These include building control ... These boards support ...