So, to use the ESP-01 Wi-Fi Relay, you must first program the ESP module that comes with the kit. After programming, you can plug your ESP module correctly on the ESP socket of the relay board. In the ...

Expanding the company’s range of PXI switch solutions, the 40-330 SPST power-relay module supports both high current and high voltage switching applications. The module provides ...

Recently I got an ‘updated’ version of the common 555 timer relay module. This time it comes with a wider DC operating voltage of up to 30V and an onboard trigger button in addition to external ...

The Relay T2 offers power metering to help users monitor and manage the energy consumption at home. It also allows users to trigger Aqara Home automations based on the power status, for example ...

Power Up: Two Valuable Relay Troubleshooting Tricks. My charming hand-drawn diagram of a simple circuit with a switch and a relay used to turn on an electric motor. Rob Siegel.

Pickering Interfaces added two 5 Amp power relay module families in PXI & PXIe formats. The 40/42-153 and 40/42-158 power relay modules are used for switching heavy AC or DC loads or for ...

The SRM Safety Relay Module has been certified by exida for single use in Safety Instrumented Systems up to SIL 2. ... DIN-rail, plus front-panel visual diagnostics, with three LED indicator lights ...