# MW-PPG Sensor: An on-Chip Spectrometer Approach

> Research article (Sensors, 2019) · cited 29× · AI/ML

**Wikidata**: [openalex:W2969406974](https://www.wikidata.org/wiki/openalex:W2969406974)  
**Source**: https://4ort.xyz/entity/mw-ppg-sensor-an-on-chip-spectrometer-approach