ESP32 Development Board – 4-Channel Relay Module Compatible with AC 220V / DC 5–60V, Compact 10x10x5 cm IoT Controller for Smart Home Automation

Product Description:Upgrade your smart home or automation project with the jussming ESP32 Development Board—a reliable, compact solution for controlling high-voltage devices through wireless interfaces. Designed for makers and developers who demand both simplicity and power, this 4-channel relay module supports a wide input range from DC 5V to DC 60V and AC 220V, making it suitable for lamps, motors, heaters, and more. Its integrated ESP32 chip delivers dual-mode connectivity (Wi-Fi and Bluetooth), enabling remote access via smartphone apps or voice assistants when paired with compatible platforms. With electrical isolation and a small footprint, it’s engineered for safety, efficiency, and easy integration.Specifications:Brand: jussmingModel: ESP32 4-Channel Relay Development BoardInput Voltage: AC 220V / DC 5–60VNumber of Channels: 4Dimensions: 10 x 10 x 5 cmWeight: 40 gMicrocontroller: ESP32Connectivity: Wi-Fi 802.11 b/g/n, Bluetooth 4.2 BR/EDR and BLEIsolation: Optocoupler for enhanced safetyCompatible With: Arduino IDE, MicroPython, PlatformIO

• Powerful 4-Channel Control – Effortlessly manage up to four high-voltage devices simultaneously with this versatile ESP32-based development board, supporting both AC 220V and DC 5–60V loads for flexible smart home or industrial applications.
• Ready for IoT Projects – Built around the popular ESP32 microcontroller, this board enables seamless Wi-Fi and Bluetooth connectivity, making it ideal for remote control, sensor integration, and DIY automation systems.
• Compact & Lightweight Design – Measuring just 10 x 10 x 5 cm and weighing only 40g, it fits easily into tight enclosures or project boxes without sacrificing performance or reliability.
• Safe and Stable Operation – Features optocoupler isolation and robust relay protection to ensure safe switching of high-voltage circuits while keeping your low-voltage control components secure.
• Plug-and-Play Compatibility – Works out of the box with Arduino IDE, MicroPython, and other common development environments—ideal for hobbyists, educators, and engineers building responsive, connected devices.