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    2019-07-04 21:14:41

    GOOD ! ree shipping to US and UK in 3-6 business days ship to Canada, Brazil in 7-10 days in US warehouse ship to European countries in 7-10 days in UK warehouse MQ-7 MQ7 CO Carbon Monoxide Gas Sensor Module For Arduino Compatible Specification: Detection range: 10 to 1000ppmm Characteristic gas: 100ppmm CO Sensitive resistance: 2KΩ to 20KΩ in 100ppm CO Sensitivity: ≥ 3% Response time: ≤ 1s Recovery time: ≤ 30s Heating resistance: 31Ω ± 3Ω Heating current: ≤ 180mA Heating voltage:

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    Praktisch

    2016-12-21 16:49:32

    Unkomplizierter Sensor für den man keine Bibliothek braucht. Der Analogausgang liefert die Daten recht genau und aussagekräftig. Ein Wert um 100 deutet auf normale Atemluft hin. Beim Anpusten oder Anhauchen erhöht sich der Wert auf über 200 (mehr als 280 hab ich nicht geschafft). In der Regel gilt 300-400 Alarm, über 400 schnell wegrennen. Der digitale Pin hatte bei mir dauerhaft HIGH. Geht wahrscheinlich auf LOW wenn der Grenzwert überschritten wurde was ebenfalls durch eine 2. LED auf dem

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    Mq 7

    2016-12-29 07:56:37

    Pruduto bem embalado veio atrasado não sei pq... mas tudo ok.

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    2019-04-22 13:44:40

    El packaging del producto es SENSACIONAL, muy buena la presentación, nada que reclamar. Todavía no he probado el SENSOR.

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    Sensore di carbonio

    2017-11-14 07:34:20

    di buona qualità

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    MQ-7 CO Sensor

    2017-01-27 10:39:26

    Resimde görülenden daha farklı bir ürün gönderilmiş.

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    2019-02-12 13:08:10

    Product arrived in good condition

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    İyi ve kaliteli - Good and good quality - 良好 , 和 , 質量

    2018-12-29 18:32:37

    Teşekkür ederim kullanacağım - 謝謝你我會用 - Thank you I will use

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    great value sensor

    2018-10-30 14:34:03

    great value sensor

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    MQ-7 MQ7 CO Carbon Monoxide Gas Sensor Module For Arduino...

    2017-08-03 05:59:56

    fast delivery but not tested yet.

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