This document discusses the design and testing of sensor and LED boards. It provides the specifications for the sensor board including its dimensions and the use of a camera. It also provides the schematic design, layout, and testing details for an LED board with dimensions of 25 x 10 x 0.4 mm that uses 450nm and 375nm LEDs requiring a total current of 500mA and is intended to be powered at 5V and 4V respectively.