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Link - https://www.kickstarter.com/projects/hennryharshal/callzap
I2C Link
Control up to 8 Boards on a single I2C bus. This provides 32 independent relay channels if each board has 4 relays, massively increasing your control capacity.
Dual Wire Control
Control multiple relay boards seamlessly using just two wires, minimizing cable clutter and simplifying wiring runs.
Opto Isolation
Optocouplers provide crucial electrical isolation between the low-voltage microcontroller logic and the high-voltage appliances, ensuring safety for your controller and network.
Extended GPIO
Extra GPIO pins on the boards enable easy connection of digital devices and sensors, expanding the capabilities of your project.
Status Indicators
Onboard LEDs display the real-time ON/OFF status of each individual relay for quick diagnostics and monitoring.
Reward Tier
Boards
Discount
Price
Super Early Bird
1X
50% OFF
£19
Early Bird
2X
39% OFF
£49
Early Bird
5X
40% OFF
£119
Early Bird
10X
50% OFF
£199
Boards
Reward Tier
Discount
Price (GBP)
1X
Super Early Bird
50% OFF
£19
2X
Early Bird
39% OFF
£49
5X
Early Bird
40% OFF
£119
10X
Early Bird
50% OFF
£199
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