WiFi Relay Switch 4-Channel 10-Amp SPDT ProXR

WiFi Relay Switch, The R410ProXR_WIFI WiFi Relay is equipped with the NexGen Wi-Fi interface that will allow you control relays over the network. The

A cost effective Web Relay control — FlexRadio Community

My DIY Automatic Chicken Door, Page 14

Stinger Off-Road SPXSH440 SwitchHUB 4-Channel 100 Amp Solid-State Relay

Relay Interface, Analog to Digital, Digital to Analog - USB WIFI ETHERNET RS-232

Speaker output relay

Timer to trigger another timed pulse

Shelly Pro 4PM 4 channels DIN rail relay switch

WiFi /RF Inching Relay Momentary/Self-Locking/Interlock Switch Module – Eiferer_ZA

Fusion 4-Channel SPDT Relay Controller with 16 GPIO or ADC and I2C - NCD Store

SwitchHub - 4 Channel 100 Amp Solid State Relay

A cost effective Web Relay control — FlexRadio Community