Monkmakes Dual Relay Module for 3.3V/5V Microcontrollers
Monkmakes dual relay module for 3.3V and 5V microcontrollers. Two opto-isolated channels, 16V max switching, 1.5A continuous, LED indicators.
Monkmakes Dual Relay Module is a two-channel relay board for switching low voltage DC loads up to 16V from 3.3V and 5V microcontroller platforms.
Designed for hobbyists, educators, and electronics enthusiasts, the module helps interface microcontroller projects with higher-power components. It is specifically engineered for compatibility with popular 3.3V and 5V boards, including Arduino, Raspberry Pi Pico, and ESP32. It simplifies controlling devices such as light bulbs, small motors, and heating elements directly from digital pins.
Key Features
- Dual Solid-State Relays: Two independent, opto-isolated solid-state relays provide electrical separation between sensitive control circuitry and the load.
- Switching Capacity: Maximum switching voltage of 16V, with a peak current of 2A for durations under one minute and a continuous current rating of up to 1.5A.
- Built-in Protection: Each channel is safeguarded by a resettable polyfuse, offering protection against over-current conditions.
- Clear Visual Feedback: An integrated active LED indicator for each relay shows the switching state, aiding project debugging and operation.
- Flexible Connections: Screw terminals for easy, secure load wiring and header pins for connection to the microcontroller. Soldering is required for the headers.
- Compact Design: Board dimensions of 64 mm x 35 mm, making it a space-efficient addition to any project.
Important Safety Note
This product is designed exclusively for switching low voltage DC loads. It must never be connected to AC (mains) voltage.
The module weighs 11 g.
- Switching light bulbs
- Controlling small motors
- Controlling heating elements
- Interfacing 3.3V and 5V microcontroller projects with higher-power components
- Relay Type: Dual solid-state, opto-isolated
- Number of Channels: 2
- Maximum Switching Voltage: 16V
- Peak Current: 2A (for durations under one minute)
- Continuous Current: Up to 1.5A
- Protection: Resettable polyfuse on each channel
- Indicator: Active LED for each relay
- Connection Type: Screw terminals for load, header pins for microcontroller (soldering required)
- Compatibility: 3.3V and 5V microcontrollers, including Arduino, Raspberry Pi Pico, and ESP32
- Board Dimensions: 64 mm x 35 mm
- Weight: 11 g
Always follow local regulations and product guidance.
Free standard delivery on UK mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For faulty items, contact us within 14 days for a replacement or refund.
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