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Classic UNO Form Factor: Maintains full mechanical and electrical compatibility with the vast ecosystem of Arduino UNO shields
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Purchase the MQ-135 GAS SENSOR online at The Engineer Store - India's most trusted electronics components store
LED Status Indicator: Visual confirmation of relay state for easy debugging and monitoring
3 x 21700 Battery Holder 3 Cell SMT Light Sensitive Photoresistor LDR Small Classic UNO Form Factor: Maintains```html 3 x 21700 Battery Holder 3 Cell SMT (Surface Mount) High quality 3 cell 21700 battery holder designed for surface mount (SMT) PCB assembly. Securely holds three 21700 lithium ion cells in series or parallel configurations, ideal for high capacity battery packs, portable power systems, and energy storage projects. Available at The Engineer Store, Bengaluru trusted by makers, engineers, and professionals across India. Specifications Product Type
