
Overview
Through it, you can control a circuit of high voltage with low voltage, say 5V on the controller. There is an indicator LED on the board, which will light up when the controlled terminals get closed.
Tech specs
Specifications
Parameter |
V1.1 |
V1.2 |
Product Release Date |
27th Jan 2013 |
9th June 2014 |
Operating Voltage |
5V |
3.3V~5V |
Operating Current |
60mA |
100mA |
Relay Life |
100,000 Cycle |
100,000 Cycle |
Max Switching Voltage |
250VAC/30VDC |
250VAC/30VDC |
Max Switching Current |
5A |
5A |
Pinmapping
Grove-Relay |
Arduino |
GND |
GND |
VCC |
5V |
SIG |
D4 |
Get Inspired

… and equipment status from anywhere with an Internet connection. Additionally, the Arduino Opta WiFi is equipped with RS485 communication capabilities, enabling seamless integration with an external power meter – in our case, a Finder model. This provides valuable insights into energy consumption, production output, material usage, and equipment health. The collected data is then analyzed through dedicated dashboards, offering information about operational efficiency and potential issues. By leveraging this data, businesses can proactively schedule maintenance and repairs, minimizing downtime and optimizing production processes. Retrofitting for a connected future Many businesses today can retrofit existing machinery to embrace the benefits of connectivity and automation. Our demo provides a practical example of how common industrial equipment can become smarter, more efficient, and easier to manage. From remote monitoring and control to power metering and predictive maintenance, retrofitting offers a sustainable way to modernize industrial infrastructure. Unlocking potential across industries Moreover, the versatility of Arduino’s open-source ecosystem ensures that this solution can be adapted and applied to a wide range of existing machines and equipment, enhancing their operation effectively – whether in manufacturing, logistics, or any other industry relying on machinery. To learn more about how you can leverage Arduino technology to upgrade your infrastructure and achieve tangible results, contact us today. Let us help you unlock the full potential of your industrial assets with practical, cost-effective solutions.