GoyaLab IndiGo handheld modular spectrometer
The GoyaLab IndiGo is a modular handheld spectrometer. This spectrometer allows the user to measure emission, absorption, reflection, or transmission spectra directly on a PC or a tablet/smartphone (via Bluetooth). The wavelength range goes from 380 nm up to 780 nm with a typical resolution below 1.5 nm.