WiFi relay controller (ESP8266, ESP32)

ESP8266 /ESP32 WIFI 8 channel relay module esp-12f /ESP32-WROOM development board power supply 5V/7-28V - AliExpress

Control Relay/LED/Lamp with AWS IoT Core using ESP32

Blynking an IoT Yunshan ESP8266 250V 10A AC/DC WIFI Network Relay Module

Build ESP8266 Web Server For Relay Control By Http String In LAN - Smart Home Automation

ESP-01 Timer Switch TZ/DST Updateable Without Reprogramming : 10 Steps (with Pictures) - Instructables

ESP32 Relay Module - Control AC Appliances (Web Server)

WiFi + Bluetooth + Manual Switch control 8 relays with ESP32

ESP-01S – Wi-fi Relay module for light remote control

WiFi 8‑Channel Relay Module ESP8266 Development Board DC 7-28V / 5V Voltage Monitoring Relays for Wireless Control : Electronics

Driving 5V relay with ESP-01 - Project Guidance - Arduino Forum

ESP8266 Wireless WIFI Relay Controller Module Single-channel Relay Module ESP 12F Development Board for IOT Smart Home DC5V-80V

ESP32R4 – 4 Relays controller board for Wi-Fi & Bluetooth Smart Home system, equipment control.

107 ESP8266 WiFi Relay (with an Arduino)