{"id":13045,"date":"2024-08-01T11:14:10","date_gmt":"2024-08-01T11:14:10","guid":{"rendered":"https:\/\/dgzx.hk?p=13045"},"modified":"2024-08-02T08:52:05","modified_gmt":"2024-08-02T08:52:05","slug":"ov5640-camera-module-cmos-image-sensor","status":"publish","type":"post","link":"https:\/\/dgzx.hk\/vi\/module-camera-ov5640-cam-bien-hinh-anh-cmos\/","title":{"rendered":"C\u1ea3m bi\u1ebfn h\u00ecnh \u1ea3nh CMOS m\u00f4-\u0111un camera OV5640"},"content":{"rendered":"

\u1ed2C\u1ea3m bi\u1ebfn h\u00ecnh \u1ea3nh CMOS m\u00f4-\u0111un camera V5640<\/span><\/span><\/strong><\/span><\/p>\n

 T\u1ed5ng quan c\u01a1 b\u1ea3n<\/span><\/strong><\/span><\/p>\n

            OV5640 l\u00e0 c\u1ea3m bi\u1ebfn h\u00ecnh \u1ea3nh CMOS do OV (OMNIVISION) thi\u1ebft k\u1ebf, c\u00f3 th\u1ec3 xu\u1ea5t ra h\u00ecnh \u1ea3nh c\u00f3 \u0111\u1ed9 ph\u00e2n gi\u1ea3i l\u00ean \u0111\u1ebfn 5MP, v\u1edbi \u0111\u1ecbnh d\u1ea1ng \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao nh\u1ea5t l\u00e0 QSXVGA (2592\u00d71944), DVP l\u00e0m giao di\u1ec7n d\u1eef li\u1ec7u v\u00e0 SCCB l\u00e0m giao di\u1ec7n \u0111i\u1ec1u khi\u1ec3n. N\u00f3 c\u00f3 th\u1ec3 xu\u1ea5t ra c\u00e1c \u0111\u1ecbnh d\u1ea1ng RGB565\/RGB555\/RGB444, YUV (422\/420), YCbCr422 v\u00e0 JPEG, v\u00e0 c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh h\u00ecnh \u1ea3nh \u1edf ch\u1ebf \u0111\u1ed9 c\u00e2n b\u1eb1ng tr\u1eafng, \u0111\u1ed9 b\u00e3o h\u00f2a, s\u1eafc \u0111\u1ed9, \u0111\u1ed9 s\u1eafc n\u00e9t, \u0111\u01b0\u1eddng cong Gamma, v.v. \u0110\u1ed9 ph\u00e2n gi\u1ea3i h\u00ecnh \u1ea3nh v\u00e0 t\u1ed1c \u0111\u1ed9 khung h\u00ecnh c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u01b0\u1ee3c.<\/span><\/p>\n

OV5640 h\u1ed7 tr\u1ee3 \u0111\u00e8n LED chi\u1ebfu s\u00e1ng, giao di\u1ec7n \u0111\u1ea7u ra MIPI (giao di\u1ec7n b\u1ed9 x\u1eed l\u00fd c\u00f4ng nghi\u1ec7p di \u0111\u1ed9ng, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong camera \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng) v\u00e0 giao di\u1ec7n \u0111\u1ea7u ra l\u1ef1a ch\u1ecdn DVP (video song song k\u1ef9 thu\u1eadt s\u1ed1, th\u00ed nghi\u1ec7m n\u00e0y s\u1eed d\u1ee5ng giao di\u1ec7n n\u00e0y), ISP (x\u1eed l\u00fd t\u00edn hi\u1ec7u h\u00ecnh \u1ea3nh) v\u00e0 AFC (\u0111i\u1ec1u khi\u1ec3n l\u1ea5y n\u00e9t t\u1ef1 \u0111\u1ed9ng) v\u00e0 c\u00e1c ch\u1ee9c n\u0103ng kh\u00e1c.<\/span><\/p>\n

C\u00e1c l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng<\/span><\/strong><\/p>\n

Sau \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng ch\u00ednh c\u1ee7a OV5640:<\/strong><\/span><\/p>\n

\u0110i\u1ec7n tho\u1ea1i th\u00f4ng minh v\u00e0 m\u00e1y t\u00ednh b\u1ea3ng:<\/span><\/strong><\/p>\n

OV5640 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m c\u1ea3m bi\u1ebfn camera sau cho \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh v\u00e0 m\u00e1y t\u00ednh b\u1ea3ng, cung c\u1ea5p kh\u1ea3 n\u0103ng ch\u1ee5p \u1ea3nh v\u00e0 quay video ch\u1ea5t l\u01b0\u1ee3ng cao. Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 ch\u1ee5p \u1ea3nh v\u00e0 quay video r\u00f5 n\u00e9t th\u00f4ng qua c\u00e1c thi\u1ebft b\u1ecb n\u00e0y \u0111\u1ec3 ghi l\u1ea1i nh\u1eefng kho\u1ea3nh kh\u1eafc \u0111\u1eb9p c\u1ee7a cu\u1ed9c s\u1ed1ng.<\/span><\/p>\n

Camera gi\u00e1m s\u00e1t an ninh:<\/span><\/strong><\/p>\n

Trong l\u0129nh v\u1ef1c gi\u00e1m s\u00e1t an ninh, kh\u1ea3 n\u0103ng x\u1eed l\u00fd h\u00ecnh \u1ea3nh \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao v\u00e0 th\u1eddi gian th\u1ef1c c\u1ee7a OV5640 khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho camera gi\u00e1m s\u00e1t. N\u00f3 c\u00f3 th\u1ec3 cung c\u1ea5p h\u00ecnh \u1ea3nh gi\u00e1m s\u00e1t r\u00f5 n\u00e9t, gi\u00fap ng\u01b0\u1eddi d\u00f9ng x\u00e1c \u0111\u1ecbnh v\u00e0 theo d\u00f5i m\u1ee5c ti\u00eau, \u0111\u1ed3ng th\u1eddi n\u00e2ng cao hi\u1ec7u su\u1ea5t an to\u00e0n.<\/span><\/p>\n

Camera h\u00e0nh tr\u00ecnh:<\/span><\/strong><\/p>\n

Dashcam c\u1ea7n c\u00f3 kh\u1ea3 n\u0103ng ghi l\u1ea1i h\u00ecnh \u1ea3nh r\u00f5 n\u00e9t c\u1ee7a xe trong qu\u00e1 tr\u00ecnh l\u00e1i xe \u0111\u1ec3 cung c\u1ea5p b\u1eb1ng ch\u1ee9ng khi c\u1ea7n. Hi\u1ec7u su\u1ea5t h\u00ecnh \u1ea3nh \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111i\u1ec3m \u1ea3nh cao c\u1ee7a OV5640 khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh c\u1ea3m bi\u1ebfn \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng cho dashcam, \u0111\u1ea3m b\u1ea3o h\u00ecnh \u1ea3nh \u0111\u01b0\u1ee3c ghi l\u1ea1i r\u00f5 n\u00e9t v\u00e0 ch\u00ednh x\u00e1c.<\/span><\/p>\n

Camera c\u00f4ng nghi\u1ec7p:<\/span><\/strong><\/p>\n

Trong l\u0129nh v\u1ef1c t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00f4ng nghi\u1ec7p v\u00e0 th\u1ecb gi\u00e1c m\u00e1y, camera c\u00f4ng nghi\u1ec7p c\u1ea7n c\u00f3 kh\u1ea3 n\u0103ng ch\u1ee5p \u1ea3nh ch\u00ednh x\u00e1c v\u00e0 r\u00f5 n\u00e9t \u0111\u1ec3 x\u1eed l\u00fd v\u00e0 ph\u00e2n t\u00edch sau \u0111\u00f3. \u0110\u1ed9 ph\u00e2n gi\u1ea3i cao v\u00e0 nhi\u1ec1u \u0111\u1ecbnh d\u1ea1ng \u0111\u1ea7u ra c\u1ee7a OV5640 l\u00e0m cho n\u00f3 ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u \u1ee9ng d\u1ee5ng camera c\u00f4ng nghi\u1ec7p kh\u00e1c nhau, gi\u00fap c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 s\u1ea3n xu\u1ea5t v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m.<\/span><\/p>\n

M\u00e1y bay kh\u00f4ng ng\u01b0\u1eddi l\u00e1i v\u00e0 robot:<\/span><\/strong><\/p>\n

M\u00e1y bay kh\u00f4ng ng\u01b0\u1eddi l\u00e1i v\u00e0 robot th\u01b0\u1eddng c\u1ea7n mang theo camera \u0111\u1ec3 \u0111i\u1ec1u h\u01b0\u1edbng, tr\u00e1nh ch\u01b0\u1edbng ng\u1ea1i v\u1eadt ho\u1eb7c nhi\u1ec7m v\u1ee5 ch\u1ee5p \u1ea3nh. K\u00edch th\u01b0\u1edbc nh\u1ecf v\u00e0 hi\u1ec7u su\u1ea5t cao c\u1ee7a OV5640 khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng n\u00e0y, cung c\u1ea5p kh\u1ea3 n\u0103ng truy\u1ec1n h\u00ecnh \u1ea3nh \u1ed5n \u0111\u1ecbnh v\u00e0 hi\u1ec7u \u1ee9ng ch\u1ee5p r\u00f5 n\u00e9t.<\/span><\/p>\n

Thi\u1ebft b\u1ecb y t\u1ebf:<\/span><\/strong><\/p>\n

Trong c\u00e1c thi\u1ebft b\u1ecb y t\u1ebf nh\u01b0 n\u1ed9i soi, k\u00ednh hi\u1ec3n vi, v.v., c\u1ea3m bi\u1ebfn h\u00ecnh \u1ea3nh \u0111\u1ed9 n\u00e9t cao l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 ch\u1ee5p c\u00e1c chi ti\u1ebft h\u00ecnh \u1ea3nh tinh t\u1ebf. \u0110\u1ed9 ph\u00e2n gi\u1ea3i cao v\u00e0 kh\u1ea3 n\u0103ng x\u1eed l\u00fd h\u00ecnh \u1ea3nh c\u1ee7a OV5640 khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn ti\u1ec1m n\u0103ng cho c\u00e1c \u1ee9ng d\u1ee5ng n\u00e0y, gi\u00fap b\u00e1c s\u0129 \u0111\u01b0a ra ch\u1ea9n \u0111o\u00e1n v\u00e0 \u0111i\u1ec1u tr\u1ecb ch\u00ednh x\u00e1c h\u01a1n.<\/span><\/p>\n

Thi\u1ebft b\u1ecb gi\u00e1o d\u1ee5c:<\/span><\/strong><\/p>\n

Trong l\u0129nh v\u1ef1c gi\u00e1o d\u1ee5c, m\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb gi\u1ea3ng d\u1ea1y nh\u01b0 m\u00e1y qu\u00e9t t\u00e0i li\u1ec7u, camera gi\u1ea3ng d\u1ea1y, v.v. c\u0169ng y\u00eau c\u1ea7u c\u1ea3m bi\u1ebfn h\u00ecnh \u1ea3nh ch\u1ea5t l\u01b0\u1ee3ng cao \u0111\u1ec3 ch\u1ee5p v\u00e0 hi\u1ec3n th\u1ecb h\u00ecnh \u1ea3nh. Nhi\u1ec1u \u0111\u1ecbnh d\u1ea1ng \u0111\u1ea7u ra v\u00e0 t\u00f9y ch\u1ecdn giao di\u1ec7n linh ho\u1ea1t c\u1ee7a OV5640 l\u00e0m cho n\u00f3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng n\u00e0y, mang l\u1ea1i s\u1ef1 ti\u1ec7n l\u1ee3i cho gi\u00e1o d\u1ee5c.<\/span><\/p>\n

H\u1ec7 th\u1ed1ng gi\u1ea3i tr\u00ed tr\u00ean xe:<\/span><\/strong><\/p>\n

M\u1ed9t s\u1ed1 h\u1ec7 th\u1ed1ng gi\u1ea3i tr\u00ed cao c\u1ea5p tr\u00ean xe c\u00f3 th\u1ec3 t\u00edch h\u1ee3p ch\u1ee9c n\u0103ng camera ph\u00eda sau \u0111\u1ec3 cung c\u1ea5p ch\u1ebf \u0111\u1ed9 xem b\u1ed5 sung khi \u0111\u1ed7 xe ho\u1eb7c l\u00f9i xe. <\/span><\/p>\n

Hi\u1ec7u su\u1ea5t cao v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a OV5640 khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh c\u1ea3m bi\u1ebfn camera l\u00fd t\u01b0\u1edfng cho c\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y.<\/span><\/p>\n

 V\u1edbi ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh tuy\u1ec7t v\u1eddi v\u00e0 nhi\u1ec1u t\u00ednh n\u0103ng phong ph\u00fa, OV5640 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c nh\u01b0 \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh, gi\u00e1m s\u00e1t an ninh, m\u00e1y ghi h\u00ecnh l\u00e1i xe, camera c\u00f4ng nghi\u1ec7p, m\u00e1y bay kh\u00f4ng ng\u01b0\u1eddi l\u00e1i, robot, thi\u1ebft b\u1ecb y t\u1ebf, thi\u1ebft b\u1ecb gi\u00e1o d\u1ee5c v\u00e0 h\u1ec7 th\u1ed1ng gi\u1ea3i tr\u00ed tr\u00ean xe h\u01a1i.<\/span><\/p>\n

Khuy\u1ebfn ngh\u1ecb v\u1ec1 m\u00f4-\u0111un camera Dogoozx OV5640:<\/span><\/strong><\/span><\/p>\n

 <\/p>\n

M\u00f4-\u0111un camera qu\u00e9t QR USB 2.0 DGZX-OV5640 5MP YUV MJPG c\u00f3 \u0111\u00e8n LED nh\u00ecn ban \u0111\u00eam 650nm<\/span><\/a><\/h1>\n

\"OV5640<\/p>\n

<\/span><\/p>\n

Dogooz<\/span><\/a>x M\u00f4-\u0111un camera qu\u00e9t m\u00e1y t\u00ednh ti\u1ec1n t\u1ef1 ph\u1ee5c v\u1ee5 g\u00f3c r\u1ed9ng OV5640 YUV 5MP 2K<\/a><\/h1>\n


<\/span><\/p>\n

\"OV5640<\/span><\/p>\n

<\/p>\n

Dogoozx ESP32 V\u1edbi ISP AF T\u1ef1 \u0110\u1ed9ng L\u1ea5y N\u00e9t OV5640 2K 1080P 30fps MIPI Csi M\u00f4-\u0111un M\u00e1y \u1ea2nh 5mp<\/span><\/a><\/h1>\n

\"OV5640<\/p>\n

<\/p>\n

<\/span><\/p>","protected":false},"excerpt":{"rendered":"

OV5640 camera module CMOS image sensor  Basic Overview             OV5640 is a CMOS image sensor designed by OV (OMNIVISION), which can output up to  5MP of images, with the highest resolution format of QSXVGA (2592\u00d71944), DVP as the data interface, and SCCB as the control interface. It can output RGB565\/RGB555\/RGB444, YUV (422\/420), YCbCr422 and JPEG formats, and can adjust the image in white balance, saturation, chroma, sharpness, Gamma curve, etc. Image resolution and frame rate are adjustable. OV5640 supports LED fill light, MIPI (mobile industry processor interface, commonly used in mobile phone cameras) output interface and DVP (digital video parallel, this experiment uses this interface) output interface selection, ISP (image signal processing) and AFC (auto focus control) and other functions. Application areas Here are some of the main application scenarios of OV5640: Smartphones and tablets: OV5640 is often used as a rear camera sensor for smartphones and tablets, providing high-quality image and video shooting capabilities. Users can capture clear photos and videos through these devices to record the beautiful moments of life. Security surveillance cameras: In the field of security monitoring, the high resolution and real-time image processing capabilities of OV5640 make it an ideal choice for surveillance cameras. It can provide clear monitoring images, help users identify and track targets, and enhance safety performance. Dashcams: Dashcams need to be able to clearly record the images of the vehicle during driving to provide evidence when needed. The high pixel and stable imaging performance of OV5640 make it the preferred sensor for dashcams, ensuring that the recorded images are clear and accurate. Industrial cameras: In the field of industrial automation and machine vision, industrial cameras need to be able to capture precise and clear images for subsequent processing and analysis. The high resolution and multiple output formats of OV5640 make it suitable for various industrial camera applications, helping to improve production efficiency and product quality. Drones and robots: Drones and robots usually need to carry cameras for navigation, obstacle avoidance or shooting tasks. The small size and high performance of OV5640 make it an ideal choice for these applications, providing stable image transmission and clear shooting effects. Medical equipment: In medical equipment, such as endoscopes, microscopes, etc., high-definition image sensors are required to capture subtle image details. The high resolution and image processing capabilities of OV5640 make it a potential choice for these applications, helping doctors to make more accurate diagnoses and treatments. Educational equipment: In the field of education, some teaching equipment such as document scanners, teaching cameras, etc. also require high-quality image sensors to capture and display images. The multiple output formats and flexible interface options of OV5640 make it suitable for these applications, providing convenience for education. In-vehicle entertainment system: Some high-end in-vehicle entertainment systems may integrate rear camera functions to provide auxiliary views when parking or reversing.  The high performance and stability of the OV5640 make it an ideal camera sensor for these systems.  With its excellent image quality and rich functional features, the OV5640 is widely used in many fields such as smartphones, security monitoring, driving recorders, industrial cameras, drones, robots, medical equipment, educational equipment, and in-vehicle entertainment systems. Dogoozx OV5640 camera module recommendation\uff1a   DGZX-OV5640 USB 2.0 QR Scanning Camera Module 5MP YUV MJPG With LED night vision 650nm Dogoozx 5MP 2K OV5640 YUV wide-angle self-service cash register scanning camera module Dogoozx ESP32 With ISP AF Autofocus OV5640 2K 1080P 30fps MIPI Csi 5mp Camera Module<\/p>","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","footnotes":""},"categories":[617],"tags":[436],"class_list":["post-13045","post","type-post","status-publish","format-standard","hentry","category-5mp-2k-camera-sensor","tag-ov5640"],"_links":{"self":[{"href":"https:\/\/dgzx.hk\/vi\/wp-json\/wp\/v2\/posts\/13045","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dgzx.hk\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dgzx.hk\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dgzx.hk\/vi\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/dgzx.hk\/vi\/wp-json\/wp\/v2\/comments?post=13045"}],"version-history":[{"count":0,"href":"https:\/\/dgzx.hk\/vi\/wp-json\/wp\/v2\/posts\/13045\/revisions"}],"wp:attachment":[{"href":"https:\/\/dgzx.hk\/vi\/wp-json\/wp\/v2\/media?parent=13045"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dgzx.hk\/vi\/wp-json\/wp\/v2\/categories?post=13045"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dgzx.hk\/vi\/wp-json\/wp\/v2\/tags?post=13045"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}