Every year, makers are introduced to new tools that promise to simplify their projects. But very few make the kind of real-world difference that changes workflows. The I2C Link Relay is one of those tools. Its design brings real value to anyone working with automation, smart devices, robotics, or DIY electronics.
Here are the top five reasons why it’s becoming an essential module for 2025:
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1. Drastically Reduced Wiring
Traditional relay modules depend on multiple GPIOs. This module uses I2C, allowing more relays with fewer wires.
2. Easy Hardware Expansion
Need more relays? Just add another module to the chain. The clean expansion system keeps your setup organized.
3. Professional-Grade Compact Design
Its form factor makes the module suitable for robust installations, prototypes, and commercial projects.
4. Broad Microcontroller Compatibility
Whether you're using Arduino, ESP32, Raspberry Pi, STM boards, or other controllers, the I2C Link Relay integrates smoothly.
5. Future-Proof Maker Hardware
As more devices adopt I2C-based modular ecosystems, relay control is evolving—this module keeps you ahead of the curve.
This relay board is perfect for home automation systems, student labs, maker spaces, robotics clubs, and IoT device builders. It offers reliability, stability, and ease of use—features every project can benefit from.
Learn more and support the project here:
👉 https://www.kickstarter.com/projects/hennryharshal/callzap