# A Multi-Contaminants Detection Sensor Based on Digital Lock-In Amplifier Module With High Sensitivity and High Detectability

> Research article (IEEE Sensors Journal, 2023) · cited 12× · AI/ML

**Wikidata**: [openalex:W4379803597](https://www.wikidata.org/wiki/openalex:W4379803597)  
**Source**: https://4ort.xyz/entity/a-multi-contaminants-detection-sensor-based-on-digital-lock-in-amplifier-module-with-high-sensitivity-and-high-detectabi