Drag the MQ-2 module directly onto your virtual prototyping board. Run color-coded wires (Red for VCC, Black for GND, and Blue/Yellow for Signal) to keep the documentation legible for external collaborators. Schematic View
Once you have saved the .fzpz file to your computer, follow these steps to add the MQ-2 sensor permanently to your parts palette: Launch your . mq2 gas sensor fritzing download
Toggles high or low via an onboard LM393 comparator potentiometer Any digital I/O pin (e.g., D2 ) Wiring Configurations in Fritzing Views Drag the MQ-2 module directly onto your virtual