{"id":6462,"date":"2026-05-13T16:37:44","date_gmt":"2026-05-13T16:37:44","guid":{"rendered":"https:\/\/thingsinnet.com\/?post_type=product&#038;p=6462"},"modified":"2026-05-13T16:37:44","modified_gmt":"2026-05-13T16:37:44","slug":"bh1750fvi-digital-ambient-light-sensor-module-gy-30","status":"publish","type":"product","link":"https:\/\/thingsinnet.com\/?product=bh1750fvi-digital-ambient-light-sensor-module-gy-30","title":{"rendered":"BH1750FVI Digital Ambient Light Sensor Module GY-30"},"content":{"rendered":"<p><span class=\"citation-31\">The <\/span><b data-path-to-node=\"0\" data-index-in-node=\"4\"><span class=\"citation-31\">BH1750FVI (GY-30)<\/span><\/b><span class=\"citation-31 citation-end-31\"> is a high-precision digital ambient light sensor module that measures light intensity in Lux.<\/span> <span class=\"citation-30\">Unlike simple photoresistors (LDRs), this module provides a direct digital output through an <\/span><b data-path-to-node=\"0\" data-index-in-node=\"206\"><span class=\"citation-30\">I2C interface<\/span><\/b><span class=\"citation-30 citation-end-30\">, eliminating the need for complex analog-to-digital conversions on your microcontroller.<\/span><\/p>\n<p>Its spectral response is designed to closely mimic the human eye, making it ideal for smart lighting systems, auto-adjusting displays, and IoT weather stations.<\/p>\n<p><strong>Key Features<\/strong><\/p>\n<ul>\n<li><b data-path-to-node=\"4,0,0\" data-index-in-node=\"0\"><span class=\"citation-28\">Direct Lux Output:<\/span><\/b><span class=\"citation-28 citation-end-28\"> Built-in 16-bit AD converter provides light intensity in Lux (lx) without the need for manual calculations.<\/span><\/li>\n<li><b data-path-to-node=\"4,1,0\" data-index-in-node=\"0\">Human Eye Response:<\/b><span class=\"citation-27 citation-end-27\"> Spectral sensitivity is tuned to match how humans perceive light levels.<\/span><\/li>\n<li><b data-path-to-node=\"4,2,0\" data-index-in-node=\"0\">Broad Measurement Range:<\/b><span class=\"citation-26\"> Can detect light levels from <\/span><b data-path-to-node=\"4,2,0\" data-index-in-node=\"54\"><span class=\"citation-26\">1 to 65,535 lx<\/span><\/b><span class=\"citation-26 citation-end-26\"> (expandable up to 100,000 lx).<\/span><\/li>\n<li><b data-path-to-node=\"4,3,0\" data-index-in-node=\"0\">Minimal Interference:<\/b><span class=\"citation-25 citation-end-25\"> Highly resistant to infrared radiation and does not depend heavily on the light source (works with sunlight, LEDs, or incandescent lamps).<\/span><\/li>\n<li><b data-path-to-node=\"4,4,0\" data-index-in-node=\"0\">Dual Addressable:<\/b><span class=\"citation-24 citation-end-24\"> Supports two I2C addresses, allowing you to use two sensors on the same bus.<\/span><\/li>\n<\/ul>\n<p><strong>Technical Specifications<\/strong><\/p>\n<table data-path-to-node=\"7\">\n<thead>\n<tr>\n<td><strong>Parameter<\/strong><\/td>\n<td><strong>Specification<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"7,1,0,0\"><b data-path-to-node=\"7,1,0,0\" data-index-in-node=\"0\">Sensor IC<\/b><\/span><\/td>\n<td><span data-path-to-node=\"7,1,1,0\">BH1750FVI<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"7,2,0,0\"><b data-path-to-node=\"7,2,0,0\" data-index-in-node=\"0\">Operating Voltage<\/b><\/span><\/td>\n<td><span data-path-to-node=\"7,2,1,0\">3.3V to 5V DC (Integrated 3.3V Regulator)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"7,3,0,0\"><b data-path-to-node=\"7,3,0,0\" data-index-in-node=\"0\">Current Consumption<\/b><\/span><\/td>\n<td><span data-path-to-node=\"7,3,1,0\">~120\u00b5A (Operating) \/ 0.01\u00b5A (Power Down)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"7,4,0,0\"><b data-path-to-node=\"7,4,0,0\" data-index-in-node=\"0\">Communication<\/b><\/span><\/td>\n<td><span data-path-to-node=\"7,4,1,0\">I2C (Serial Clock frequency up to 400kHz)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"7,5,0,0\"><b data-path-to-node=\"7,5,0,0\" data-index-in-node=\"0\">Resolution<\/b><\/span><\/td>\n<td><span data-path-to-node=\"7,5,1,0\">1 lx (High Res) \/ 4 lx (Low Res)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"7,6,0,0\"><b data-path-to-node=\"7,6,0,0\" data-index-in-node=\"0\">Accuracy<\/b><\/span><\/td>\n<td><span data-path-to-node=\"7,6,1,0\">\u00b120% variation<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"7,7,0,0\"><b data-path-to-node=\"7,7,0,0\" data-index-in-node=\"0\">Operating Temp<\/b><\/span><\/td>\n<td><span data-path-to-node=\"7,7,1,0\">-40\u00b0C to 85\u00b0C<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"7,8,0,0\"><b data-path-to-node=\"7,8,0,0\" data-index-in-node=\"0\">Module Dimensions<\/b><\/span><\/td>\n<td><span data-path-to-node=\"7,8,1,0\">~18.5mm x 14mm<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Pin Configuration<\/strong><\/p>\n<ul>\n<li data-path-to-node=\"10,0,0\"><b data-path-to-node=\"10,0,0\" data-index-in-node=\"0\"><span class=\"citation-23\">VCC:<\/span><\/b><span class=\"citation-23 citation-end-23\"> Power Supply (3.3V &#8211; 5V)<\/span><\/li>\n<li data-path-to-node=\"10,1,0\"><b data-path-to-node=\"10,1,0\" data-index-in-node=\"0\"><span class=\"citation-22\">GND:<\/span><\/b><span class=\"citation-22 citation-end-22\"> Ground<\/span><\/li>\n<li data-path-to-node=\"10,2,0\"><b data-path-to-node=\"10,2,0\" data-index-in-node=\"0\">SCL:<\/b><span class=\"citation-21 citation-end-21\"> I2C Clock Line<\/span><\/li>\n<li data-path-to-node=\"10,3,0\"><b data-path-to-node=\"10,3,0\" data-index-in-node=\"0\">SDA:<\/b> I2C Data Line<\/li>\n<li data-path-to-node=\"10,4,0\"><b data-path-to-node=\"10,4,0\" data-index-in-node=\"0\"><span class=\"citation-20\">ADDR:<\/span><\/b><span class=\"citation-20 citation-end-20\"> I2C Address Select Pin<\/span><\/li>\n<li data-path-to-node=\"10,4,0\"><i data-path-to-node=\"10,4,1,0,0\" data-index-in-node=\"0\">Pulled Low (default):<\/i> <span class=\"citation-19\">Address is <\/span><b data-path-to-node=\"10,4,1,0,0\" data-index-in-node=\"33\"><span class=\"citation-19 citation-end-19\">0x23<\/span><\/b><\/li>\n<li data-path-to-node=\"10,4,1,1,0\"><i data-path-to-node=\"10,4,1,1,0\" data-index-in-node=\"0\">Pulled High (VCC):<\/i> Address is <b data-path-to-node=\"10,4,1,1,0\" data-index-in-node=\"30\">0x5C<\/b><\/li>\n<\/ul>\n<p><strong>Applications<\/strong><\/p>\n<ul>\n<li data-path-to-node=\"13,0,0\"><b data-path-to-node=\"13,0,0\" data-index-in-node=\"0\"><span class=\"citation-18\">Smart Home:<\/span><\/b><span class=\"citation-18 citation-end-18\"> Automatic curtain or blind control and indoor lighting adjustment.<\/span><\/li>\n<li data-path-to-node=\"13,1,0\"><b data-path-to-node=\"13,1,0\" data-index-in-node=\"0\">Photography:<\/b> Used as a digital lux meter for scene lighting calibration.<\/li>\n<li data-path-to-node=\"13,2,0\"><b data-path-to-node=\"13,2,0\" data-index-in-node=\"0\"><span class=\"citation-17\">Devices:<\/span><\/b><span class=\"citation-17 citation-end-17\"> Auto-brightness control for LCD displays and smartphones.<\/span><\/li>\n<li><b data-path-to-node=\"13,3,0\" data-index-in-node=\"0\">Agriculture:<\/b> Monitoring light exposure for indoor farming or greenhouses.<\/li>\n<li id=\"p-rc_4f17f93e85e4b907-48\" data-path-to-node=\"14,0\"><b data-path-to-node=\"14,0\" data-index-in-node=\"0\">Technical Note:<\/b><span class=\"citation-16 citation-end-16\"> This module typically includes pull-up resistors on the I2C lines, making it ready to use with platforms like Arduino, ESP32, or Raspberry Pi immediately.<\/span><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>The BH1750FVI (GY-30) is a high-precision digital ambient light sensor module that measures light intensity in Lux. Unlike simple photoresistors (LDRs), this module provides a direct digital output through an I2C interface, eliminating the need for complex analog-to-digital conversions on your microcontroller. Its spectral response is designed to closely mimic the human eye, making it [&hellip;]<\/p>\n","protected":false},"featured_media":6463,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[33],"product_tag":[],"class_list":["post-6462","product","type-product","status-publish","has-post-thumbnail","product_cat-light_intensity_sensor_modules","product_shipping_class-0-5-kg","first","instock","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/thingsinnet.com\/index.php?rest_route=\/wp\/v2\/product\/6462","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/thingsinnet.com\/index.php?rest_route=\/wp\/v2\/product"}],"about":[{"href":"https:\/\/thingsinnet.com\/index.php?rest_route=\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/thingsinnet.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6462"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/thingsinnet.com\/index.php?rest_route=\/wp\/v2\/media\/6463"}],"wp:attachment":[{"href":"https:\/\/thingsinnet.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6462"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/thingsinnet.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brand&post=6462"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/thingsinnet.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=6462"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/thingsinnet.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=6462"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}