ESP8266 ESP-01S 5V WiFi Relay Module – Wireless Smart Switch

🌐 ESP8266 ESP-01S 5V WiFi Relay Module – Smart Wireless Control for IoT and Home Automation 🌐

The ESP8266 ESP-01S WiFi Relay Module allows you to control electrical devices wirelessly via Wi-Fi.

It integrates the ESP-01S Wi-Fi module (based on ESP8266) and a 5V relay, enabling remote control of lights, appliances, or other electronic systems.

Ideal for IoT projects, smart homes, and remote automation.

✅ Technical Specifications:

• Model: ESP8266 ESP-01S 5V WiFi Relay Module
• Main Chip: ESP8266 (Wi-Fi core)
• Operating Voltage: 5V DC
• Relay Type: Single Channel 5V Relay
• Operating Current: ≈200mA typical
• Communication: Wi-Fi 802.11 b/g/n
• Supported Protocols: TCP / UDP / HTTP
• Working Modes: STA / AP / STA+AP
• Relay Load Capacity: AC 250V / 10A or DC 30V / 10A
• Signal Control: From ESP-01S GPIO pins
• Operating Temperature: -20°C to +70°C
• Dimensions: ≈50 × 26 × 19 mm
• Weight: ≈15g

🔹 Key Features:

✔ Wireless device control via Wi-Fi connection.

✔ Compatible with Arduino IDE, AT Commands, and IoT platforms.

✔ Onboard power regulator supports direct 5V input.

✔ Ideal for Smart Home or industrial automation.

✔ Reliable relay performance with strong isolation.

📌 Common Applications:

• Smart home device control.
• Remote lighting and appliance switching.
• Wireless power socket control.
• IoT-based automation systems.
• Automatic irrigation or motor control projects.