Figure 1
From: Dosimetry with gafchromic films based on a new micro-opto-electro-mechanical system
Sketch of the two modules of the optical sensing system. Left: LED light-emitting module. Center: Detector module consisting mainly of a photoresistor and 1 kΩ resistor. Right: Image of both assembled modules. Elegoo Uno boards are not shown in the sketch.
