HALJIA
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YOUMILE 5 Pack Slot Type IR Optocoupler Speed Sensor Module LM393 for Arduino
★★★★★
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About this item
- Working voltage: 3.3V~5V
- Dimensions: Approx.3.2 x 1.4 x 0.7cm
- 5mm Groove width
- Using wide voltage LM393 comparator
- Application: Widely used in dynamo speed detecting, pulse counting, etc
Product description
Features: Working voltage: 3.3V~5V Weight: 8g Dimensions: Approx.3.2 x 1.4 x 0.7cm 5mm Groove width Using wide voltage LM393 comparator Application: Widely used in dynamo speed detecting, pulse counting, etc Output form: Digital switch output (0 and 1) and Analog for Sensitivity. Package included: 5 x Speed sensor
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Customer reviews
What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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