In this post we are reviewing the ESP-01 Wi-Fi Relay Module. It is one of the cheapest smart switches you can purchase currently for making smart home, internet of things, and other wireless do it ...

For that reason, [Hulk] designed a simple relay module in order to cut the amount of time he spends implementing this solution in his various other projects.

JSB27x series of USB 2.0 Controlled module with 2 or 4 Solid State Relays. Each solid state relay is rated for 1 Amp @ 50 Volts AC or DC. Screw type terminal blocks are on the module to provide quick ...

Designed specifically to comply with updated ISO 13849 Safety Category 2 requirements, this safety relay module helps users economically apply better and more appropriate safety measures. IDEC ...