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Digital Temperature Controller Module HW-557 V9.0
Electronics & Gadgets
📍 Personal Electronics Collection
temperaturecontrollerdigitalelectronicsmodulesensordisplay
$15 (rough estimate)
A digital temperature controller circuit board featuring a 3-digit 7-segment display, control buttons (SET, +, -), and connection terminals for sensors and power. Used for monitoring and regulating temperature by switching connected devices on or off based on set thresholds.
Condition: Used - Good
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