CHOT QĐT HK192 – trang 4/5
Phụ lục – Các mạch cảm biến quang
STT
Mạch
1
Light-controlled LED
Light-controlled using a transistor “switch”
2
Improved Light-Controlled Switch Using a
Transistor
3
A Basic Optical Sensor
4
A LED can detect a rotating reflective encoder
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CHOT QĐT HK192 – trang 5/5
5
Photodectors
6
Opto-coupler Open Collector Module
7
Optically isolated input line (R3 = 330K–470K)
Current loop transmission circuit
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