Zaitronics Nexus RP2350 LiPo is a Raspberry Pi RP2350 board similar to the Raspberry Pi Pico 2, but with various improvements ...

Rename the folder “qtr-sensors-arduino-xxxx” to “QTRSensors” Drag the “QTRSensors” folder into the “libraries” directory inside your Arduino sketchbook directory ...

Circuit Setup: Wire the 3-color LED module to the Arduino Mega as described in the circuit setup section. Optionally, use resistors in series with each LED pin to limit current and protect the LEDs.