Single-Channel Relay Module for Raspberry Pi Zero/2B/3B/4B, STM32, ESP32, Arduino – 3.3V/5V Relay Expansion Board with Optocoupler Isolation & LED Indicator – Fits Raspberry Pi One Channel Relay
Single-Channel Relay Module for Raspberry Pi Zero/2B/3B/4B, STM32, ESP32, Arduino – 3.3V/5V Relay Expansion Board with Optocoupler Isolation & LED Indicator – Fits Raspberry Pi One Channel Relay
Versatile Compatibility – This for Raspberry Pi single-channel relay board fits Raspberry Pi Zero/Zero W/Zero WH/2B/3B/3B+/4B, STM32, ESP32, and Arduino, making it ideal for various IoT, home automation, and robotics projects.
Onboard Optocoupler Isolation – Equipped with an optocoupler isolation circuit for enhanced signal integrity, ensuring stable operation in 3.3V or 5V systems with strong anti-interference capability.
High Load Capacity – The relay can handle up to 10A at 250VAC/28VDC (Normally Open) and 5A at 250VAC (Normally Closed), providing reliable switching for a wide range of electrical devices.
LED Status Indicator – Easily monitor relay operation with the built-in LED indicator, allowing quick verification of the relay status during operation.
Open-source Programming Support – Compatible with Raspberry Pi and Arduino development boards, with readily available open-source example programs for effortless integration into your projects.