HC-89 Interrupt Sensor Raspberry Pi Zero W Board Essential accessory to protect your

Essential accessory to protect your Raspberry Pi 4B investment from thermal damage

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or any electrical load within the relay's rated capacity

HC-89 Interrupt Sensor Raspberry Pi Zero W Board Essential accessory to protect your```html HC 89 Interrupt Sensor The HC 89 Interrupt Sensor is a compact, slotted optical switch module designed for precise object detection, position sensing, and counting applications. Featuring an infrared LED and phototransistor pair housed in a U shaped gap, this sensor reliably detects when an object passes through or interrupts the optical beam making it essential for encoder wheels, motor speed measurement, end stop detection, and automated