Delta Single Line FOLLOWER is a Delta Electronic products that function to detect the difference between dark-colored objects and colored bright object. For bright objects, DSF-01 will issue a logic 0 and LED indicator is on, whereas for dark-colored object, DSF-01 will issue a logic 1 and LED indicators non active

Specification - Output level TTL
- Through hole PCB
- Size 2.7 x 2.2 cm
- Proximity detection: 0,5 - 1 cm for the DSF-01v1, 0,5 - 3 cm for the DSF-01v2 and 0.5 - 9 cm for the DSF-01v3
- LED indicator sensor