{"id":1702,"date":"2018-09-21T23:25:15","date_gmt":"2018-09-21T21:25:15","guid":{"rendered":"https:\/\/www.breizh56.fr\/crepp2024\/?page_id=1702"},"modified":"2019-03-27T21:02:16","modified_gmt":"2019-03-27T20:02:16","slug":"bh1750","status":"publish","type":"page","link":"https:\/\/www.breizh56.fr\/crepp2024\/technique\/capteurs\/bh1750\/","title":{"rendered":"BH1750 Capteur de luminosit\u00e9 i2c (0x23 ou 0x5C)"},"content":{"rendered":"
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Capteur de luminosit\u00e9<\/h1>\n

GY-302 – 5V 3.3V compatible – I2C<\/p>\n

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Capteur de luminosit\u00e9<\/p>\n

4 broches: GND, VCC 3,3v \/ 5v, SCL, SDA\u2013> communication i2c<\/a><\/strong><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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\"page8image1784352\"<\/div>\n<\/div>\n

Ce module GY-302 permet de mesurer la quantit\u00e9 de lumi\u00e8re \u00e0 l\u2019aide du photo- d\u00e9tecteur BH1750. Il utilise le bus I2C<\/strong> pour communiquer avec le microcontr\u00f4leur. La norme Europ\u00e9enne EN 12464-1 est une norme d\u2019application pour l\u2019\u00e9clairage.<\/p>\n<\/div>\n

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rappel de broches ESP8266<\/i><\/p>\n

\"\"<\/a><\/p>\n

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exemple en micropython\u00a0pqp_luxmetre.py<\/a> :<\/p>\n<\/div>\n

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import machine\r\nimport bh1750\r\n\r\n# ESP8266: Pin5->GPI05->d1 Pin4->GPIO04->d2\r\ni2c = machine.I2C(scl=machine.Pin(5), sda=machine.Pin(4))\r\nlum = bh1750.BH1750(i2c)\r\nlum.detect()    # True le capteur fonctionne \r\n\r\ndef test():\r\n print(lum.lecture_lumiere(bh1750.MODE_CONTINU_HAUTE_RESOLUTION))<\/pre>\n<\/blockquote>\n<\/div>\n<\/div>\n
utilisation:<\/p>\n
Welcome to MicroPython!\r\n\r\nPassword:\r\n\r\nWebREPL connected\r\n\r\n>> import pqp_luxmetre as l\r\n\r\n>>> l.test()\r\n\r\n0\r\n\r\n>>> l.test()\r\n\r\n1737<\/pre>\n
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@Yvon<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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retour sch\u00e9ma<\/a><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"
Capteur de luminosit\u00e9 GY-302 – 5V 3.3V compatible – I2C Capteur de luminosit\u00e9 4 broches: GND, VCC 3,3v \/ 5v, SCL, SDA\u2013> communication i2c   Ce module GY-302 permet de mesurer la quantit\u00e9 de lumi\u00e8re \u00e0 l\u2019aide du photo- d\u00e9tecteur BH1750. Il utilise le bus I2C pour communiquer avec le microcontr\u00f4leur. La norme Europ\u00e9enne EN 12464-1 est une norme d\u2019application […]<\/p>\n","protected":false},"author":7,"featured_media":0,"parent":72,"menu_order":9,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1702","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.breizh56.fr\/crepp2024\/wp-json\/wp\/v2\/pages\/1702"}],"collection":[{"href":"https:\/\/www.breizh56.fr\/crepp2024\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.breizh56.fr\/crepp2024\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.breizh56.fr\/crepp2024\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.breizh56.fr\/crepp2024\/wp-json\/wp\/v2\/comments?post=1702"}],"version-history":[{"count":12,"href":"https:\/\/www.breizh56.fr\/crepp2024\/wp-json\/wp\/v2\/pages\/1702\/revisions"}],"predecessor-version":[{"id":2313,"href":"https:\/\/www.breizh56.fr\/crepp2024\/wp-json\/wp\/v2\/pages\/1702\/revisions\/2313"}],"up":[{"embeddable":true,"href":"https:\/\/www.breizh56.fr\/crepp2024\/wp-json\/wp\/v2\/pages\/72"}],"wp:attachment":[{"href":"https:\/\/www.breizh56.fr\/crepp2024\/wp-json\/wp\/v2\/media?parent=1702"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}