MQ-2 Gas Sensor Module For H2, LPG, CH4, CO, Smoke or Propane Detector Module Arduino L293D Motor Driver shield if (ldrValue < threshold) {

if (ldrValue < threshold) { // Beam broken - intruder detected

Can the JYQD-V7

avoiding frustrating upload failures

Insulation Gasket Provided: Foam or rubber insulation ring prevents condensation and thermal short-circuiting between hot and cold sides

5mm connectors are a mid-range size suitable for currents up to ~60A

MQ-2 Gas Sensor Module For H2, LPG, CH4, CO, Smoke or Propane Detector Module Arduino L293D Motor Driver shield if (ldrValue < threshold) {MQ 2 Gas Sensor Module Detect H2, LPG, CH4, CO, Smoke & Propane Reliable multi gas detection module from The Engineer Store, Bengaluru. The MQ 2 sensor module provides accurate, real time detection of combustible gases and smoke ideal for safety systems, IoT projects, and industrial monitoring. Fast shipping, 7 day warranty on manufacturing defects, and expert support included. Specifications Sensor Type MQ 2 Semiconductor Gas Sensor (SnO2 based)