Slot Type IR Optocoupler Speed Sensor Module 3.3V-5V Counter Module 51 AVR PIC 3.3V-5V Diy Kit Optical Speed Measuring Module
From Store#1103272535
$2.72
View at AliExpress
Secure transaction via AliExpress
4.9 out of 5 (494 sold)
Price History
Price changes for Slot Type IR Optocoupler Speed Sensor Module 3.3V-5V Counter Module 51 AVR PIC 3.3V-5V Diy Kit Optical Speed Measuring Module since Dec 3, 2025
Max: $2.72
Min: $2.63
Current: $2.72
