This is Test Strip Checker (Android App) based on colorimetry for a water test strip with total chlorine analyte.
For taking pictures, a measurement box is needed. The measurement box that has been made can be found in the F building, Physics FMIPA University of Indonesia
Open App
Take Picture From Camera or Gallery
Upload Picture (this uses the node.js server)
Get Result of Total Chlorine in ppm (this uses the MPS server)