{"product_id":"sensor-mq3","title":"Sensor MQ3","description":"\u003cdiv\u003e\n\u003cdiv class=\"flex h-svh w-screen flex-col\"\u003e\n\u003cdiv class=\"relative z-0 flex min-h-0 w-full flex-1\"\u003e\n\u003cdiv class=\"relative flex min-h-0 w-full flex-1\"\u003e\n\u003cdiv class=\"@container\/main relative flex min-w-0 flex-1 flex-col -translate-y-[calc(env(safe-area-inset-bottom,0px)\/2)] pt-[calc(env(safe-area-inset-bottom,0px)\/2)]\"\u003e\n\u003cdiv data-scroll-root=\"\" class=\"@w-sm\/main:[scrollbar-gutter:var(--stage-scroll-gutter)] touch:[scrollbar-width:none] group\/scroll-root relative flex min-h-0 min-w-0 flex-1 flex-col [scrollbar-gutter:stable] not-print:overflow-x-clip not-print:overflow-y-auto group-data-stream-active\/scroll-root:[overflow-anchor:none] scroll-pt-(--header-height) [--sticky-padding-top:var(--header-height)] [--sticky-padding-bottom:0px] [--scroll-root-safe-area-inset-top:calc(var(--sticky-padding-top)+env(safe-area-inset-top,0px))] [--scroll-root-safe-area-inset-bottom:calc(var(--sticky-padding-bottom)+var(--screen-keyboard-height,0px)+env(safe-area-inset-bottom,0px))] [--scroll-root-safe-area-height:calc(100lvh-var(--scroll-root-safe-area-inset-top)-var(--scroll-root-safe-area-inset-bottom))] has-data-[fixed-header=less-than-xl]:@w-xl\/main:scroll-pt-0 has-data-[fixed-header=less-than-xl]:@w-xl\/main:[--sticky-padding-top:0px] has-data-[fixed-header=less-than-xxl]:@w-2xl\/main:scroll-pt-0 has-data-[fixed-header=less-than-xxl]:@w-2xl\/main:[--sticky-padding-top:0px]\" data-scroll-from-top=\"\"\u003e\u003cmain class=\"min-h-0 flex-1\" id=\"main\"\u003e\n\u003cdiv id=\"thread\" class=\"group\/thread flex flex-col min-h-full\"\u003e\n\u003cdiv role=\"presentation\" class=\"composer-parent flex flex-1 flex-col focus-visible:outline-0\"\u003e\n\u003cdiv class=\"relative basis-auto flex-col -mb-(--composer-overlap-px) pb-(--composer-overlap-px) [--composer-overlap-px:28px] grow flex\"\u003e\n\u003cdiv class=\"flex flex-col text-sm\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"8d874d64-e4ea-4123-ac48-d4e67444462f\" data-testid=\"conversation-turn-242\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"beb6559c-5167-4f3b-bb91-8f8074c64d10\" data-turn-start-message=\"true\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"425\"\u003eO MQ-3 é um sensor de gás utilizado para detectar vapores de álcool e etanol no ambiente. Ele possui alta sensibilidade ao álcool e é muito usado em projetos de bafômetro, monitoramento de segurança e sistemas de detecção de gases. O sensor fornece saída analógica e digital, permitindo integração simples com Arduino, ESP32, PIC e outros microcontroladores. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"427\" data-end=\"621\"\u003eOnde utilizar o sensor MQ-3\u003cbr data-start=\"454\" data-end=\"457\"\u003e— Detecção de vapores de álcool\u003cbr data-start=\"488\" data-end=\"491\"\u003e— Projetos de bafômetro educativo\u003cbr data-start=\"524\" data-end=\"527\"\u003e— Monitoramento ambiental\u003cbr data-start=\"552\" data-end=\"555\"\u003e— Sistemas de segurança\u003cbr data-start=\"578\" data-end=\"581\"\u003e— Projetos IoT\u003cbr data-start=\"595\" data-end=\"598\"\u003e— Automação e alarmes\u003c\/p\u003e\n\u003cp data-start=\"623\" data-end=\"950\"\u003eCARACTERÍSTICAS:\u003cbr data-start=\"639\" data-end=\"642\"\u003e— Detecta álcool e etanol\u003cbr data-start=\"667\" data-end=\"670\"\u003e— Alta sensibilidade ao álcool\u003cbr data-start=\"700\" data-end=\"703\"\u003e— Saída analógica e digital\u003cbr data-start=\"730\" data-end=\"733\"\u003e— Sensibilidade ajustável por potenciômetro\u003cbr data-start=\"776\" data-end=\"779\"\u003e— Compatível com Arduino e ESP32\u003cbr data-start=\"811\" data-end=\"814\"\u003e— Resposta rápida\u003cbr data-start=\"831\" data-end=\"834\"\u003e— Fácil integração\u003cbr data-start=\"852\" data-end=\"855\"\u003e— LED indicador de funcionamento\u003cbr data-start=\"887\" data-end=\"890\"\u003e— Baixo custo\u003cbr data-start=\"903\" data-end=\"906\"\u003e— Ideal para projetos de detecção de gases\u003c\/p\u003e\n\u003cp data-start=\"952\" data-end=\"1423\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eESPECIFICAÇÕES:\u003cbr data-start=\"967\" data-end=\"970\"\u003e— Modelo: MQ-3\u003cbr data-start=\"984\" data-end=\"987\"\u003e— Tipo: sensor de gás semicondutor (SnO₂)\u003cbr data-start=\"1028\" data-end=\"1031\"\u003e— Tensão de operação: 3V — 5V DC\u003cbr data-start=\"1063\" data-end=\"1066\"\u003e— Saída: analógica (AO) e digital (DO)\u003cbr data-start=\"1104\" data-end=\"1107\"\u003e— Gases detectados: álcool e etanol\u003cbr data-start=\"1142\" data-end=\"1145\"\u003e— Faixa de detecção: ~10 a 10.000 ppm\u003cbr data-start=\"1182\" data-end=\"1185\"\u003e— Sensibilidade ajustável: sim\u003cbr data-start=\"1215\" data-end=\"1218\"\u003e— Compatibilidade: Arduino, ESP32, Raspberry Pi, PIC\u003cbr data-start=\"1270\" data-end=\"1273\"\u003e— Corrente de consumo: ~150mA\u003cbr data-start=\"1302\" data-end=\"1305\"\u003e— Tempo de resposta: rápido\u003cbr data-start=\"1332\" data-end=\"1335\"\u003e— Temperatura de operação: -10°C a 50°C\u003cbr data-start=\"1374\" data-end=\"1377\"\u003e— Dimensões: ~32 x 20 mm\u003cbr data-start=\"1401\" data-end=\"1404\"\u003e— Peso: ~8g a 15g\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/main\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\u003cdialog class=\"group\/dialog @container inset-0 min-h-full min-w-full whitespace-normal items-center justify-center overflow-auto overscroll-y-contain bg-[rgba(0,0,0,0.5)] backdrop-blur-[1px]\"\u003e\u003c\/dialog\u003e\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"E-Tron","offers":[{"title":"Default Title","offer_id":48586411016407,"sku":null,"price":3850.0,"currency_code":"AOA","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0816\/4098\/0695\/files\/imagem_2026-05-07_141711741.png?v=1778159838","url":"https:\/\/etron.ao\/products\/sensor-mq3","provider":"E-Tron","version":"1.0","type":"link"}