M5Stack Solid State Relay Unit BT136S

M5Stack Solid State Relay Unit BT136S – Silent Switching for IoT Projects

The M5Stack Solid State Relay Unit BT136S is a compact solid-state relay module designed for reliable and silent operation. It is ideal for controlling loads up to 250 V AC in automation and IoT applications.

• Silent Switching: No clicking like mechanical relays – perfect for quiet environments such as bedrooms or libraries
• High Switching Capacity: Switches loads up to 250 V – suitable for lighting, fans, and other devices
• Plug-and-Play: Easy connection to M5Stack and Arduino, no additional wiring required
• 24-month manufacturer's warranty ensures long-term investment security

What sets the Solid State Relay Unit apart

Unlike traditional relays, solid-state technology operates wear-free and silently. The BT136S module enables precise control and is especially suitable for applications requiring frequent switching.

Ideal for...

Makers, hobby electronics enthusiasts, and IoT developers who need to switch loads reliably and quietly. Perfect for smart home controls, automation projects, and model building applications.

How to use the Solid State Relay Unit

Connect the module to a GPIO pin of your M5Stack or Arduino and power it with the appropriate voltage. Use a digital signal to switch the connected load. Observe the maximum switching voltage of 250 V and ensure correct load connection.