Smart Home Relay Board
4-channel relay board with opto-isolation for AC switching.
$27.00
$22.00
Calibration kit with reference resistor pack, thermistor, and step-by-step calibration workflow for common sensors.
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4-channel relay board with opto-isolation for AC switching.
Prototyping boards, headers, and soldering accessories for fast builds.
Lead-free solder, wick, flux pen, and precision tweezers.
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