{"id":5118,"date":"2024-11-05T14:03:37","date_gmt":"2024-11-05T06:03:37","guid":{"rendered":"https:\/\/bo-qi.com\/?p=5118"},"modified":"2026-01-04T18:27:12","modified_gmt":"2026-01-04T10:27:12","slug":"what-is-pwm-dimming-a-beginners-guide-to-dimming","status":"publish","type":"post","link":"https:\/\/bo-qi.com\/vi\/what-is-pwm-dimming-a-beginners-guide-to-dimming\/","title":{"rendered":"PWM Dimming l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn c\u01a1 b\u1ea3n v\u1ec1 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng"},"content":{"rendered":"

PWM dimming, hay c\u00f2n g\u1ecdi l\u00e0 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng b\u1eb1ng \u0111i\u1ec1u ch\u1ebf \u0111\u1ed9 r\u1ed9ng xung, l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m so\u00e1t \u0111\u1ed9 s\u00e1ng c\u1ee7a \u0111\u00e8n LED v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng chi\u1ebfu s\u00e1ng kh\u00e1c b\u1eb1ng c\u00e1ch b\u1eadt v\u00e0 t\u1eaft \u0111\u00e8n nhanh ch\u00f3ng. K\u1ef9 thu\u1eadt n\u00e0y cho ph\u00e9p ki\u1ec3m so\u00e1t \u0111\u1ed9 s\u00e1ng ch\u00ednh x\u00e1c trong khi \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng v\u00e0 duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng m\u00e0u s\u1eafc. PWM dimming \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u \u1ee9ng d\u1ee5ng, t\u1eeb chi\u1ebfu s\u00e1ng d\u00e2n d\u1ee5ng \u0111\u1ebfn m\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb v\u00e0 m\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p. Hi\u1ec3u c\u00e1ch PWM ho\u1ea1t \u0111\u1ed9ng m\u1edf ra c\u00e1nh c\u1eeda cho c\u00e1c thi\u1ebft l\u1eadp chi\u1ebfu s\u00e1ng hi\u1ec7u qu\u1ea3 h\u01a1n v\u00e0 mang l\u1ea1i cho ng\u01b0\u1eddi d\u00f9ng kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t t\u1ed1t h\u01a1n \u0111\u1ed1i v\u1edbi m\u00f4i tr\u01b0\u1eddng chi\u1ebfu s\u00e1ng c\u1ee7a h\u1ecd. H\u00e3y c\u00f9ng \u0111i s\u00e2u v\u00e0o chi ti\u1ebft \u0111\u1ec3 kh\u00e1m ph\u00e1 c\u00e1ch n\u00f3 ho\u1ea1t \u0111\u1ed9ng v\u00e0 t\u1ea1i sao n\u00f3 l\u00e0 l\u1ef1a ch\u1ecdn \u01b0u ti\u00ean trong nhi\u1ec1u b\u1ed1i c\u1ea3nh.<\/p>\n\n\n\n

PWM Dimming l\u00e0 g\u00ec?<\/h2>\n\n\n\n

PWM dimming \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng b\u1eb1ng c\u00e1ch b\u1eadt v\u00e0 t\u1eaft \u0111\u00e8n LED nhanh ch\u00f3ng \u1edf t\u1ed1c \u0111\u1ed9 cao, thay \u0111\u1ed5i t\u1ef7 l\u1ec7 ph\u1ea7n tr\u0103m th\u1eddi gian \u0111\u00e8n b\u1eadt. T\u1ef7 l\u1ec7 ph\u1ea7n tr\u0103m n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u2018chu k\u1ef3 nhi\u1ec7m v\u1ee5\u2019 (duty cycle), v\u00e0 n\u00f3 tr\u1ef1c ti\u1ebfp quy\u1ebft \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 s\u00e1ng c\u1ee7a \u00e1nh s\u00e1ng. V\u00ed d\u1ee5, chu k\u1ef3 nhi\u1ec7m v\u1ee5 50% c\u00f3 ngh\u0129a l\u00e0 \u0111\u00e8n LED b\u1eadt trong m\u1ed9t n\u1eeda th\u1eddi gian v\u00e0 t\u1eaft trong n\u1eeda c\u00f2n l\u1ea1i, d\u1eabn \u0111\u1ebfn \u0111\u1ed9 s\u00e1ng 50%.<\/strong> B\u1eb1ng c\u00e1ch ki\u1ec3m so\u00e1t chu k\u1ef3 nhi\u1ec7m v\u1ee5, PWM dimming \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng m\u01b0\u1ee3t m\u00e0 m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng m\u00e0u s\u1eafc ho\u1eb7c hi\u1ec7u qu\u1ea3 c\u1ee7a \u0111\u00e8n LED. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean nhi\u1ec1u lo\u1ea1i thi\u1ebft b\u1ecb v\u00e0 thi\u1ebft l\u1eadp, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u00e0n h\u00ecnh LED, m\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb v\u00e0 h\u1ec7 th\u1ed1ng chi\u1ebfu s\u00e1ng, v\u00ec n\u00f3 cung c\u1ea5p kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t \u0111\u1ed9 s\u00e1ng \u0111\u00e1ng tin c\u1eady v\u00e0 nh\u1ea5t qu\u00e1n.<\/p>\n\n\n\n

\"h\u00ecnh<\/figure>\n\n\n\n

PWM dimming \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng v\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c trong ki\u1ec3m so\u00e1t \u0111\u1ed9 s\u00e1ng v\u00e0 hi\u1ec7u qu\u1ea3. Kh\u00f4ng gi\u1ed1ng nh\u01b0 m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c gi\u1ea3m d\u00f2ng \u0111i\u1ec7n ho\u1eb7c \u0111i\u1ec7n \u00e1p tr\u1ef1c ti\u1ebfp, PWM gi\u1eef d\u00f2ng \u0111i\u1ec7n \u1ed5n \u0111\u1ecbnh nh\u01b0ng ki\u1ec3m so\u00e1t t\u1ea7n su\u1ea5t \u0111\u00e8n LED b\u1eadt trong m\u1ed9t kho\u1ea3ng th\u1eddi gian c\u1ee5 th\u1ec3. B\u1eb1ng c\u00e1ch n\u00e0y, n\u00f3 \u201cl\u00e0m m\u1edd\u201d hi\u1ec7u qu\u1ea3 \u00e1nh s\u00e1ng \u0111\u1ea7u ra m\u00e0 kh\u00f4ng khi\u1ebfn \u0111\u00e8n LED b\u1ecb m\u1edd v\u1eadt l\u00fd ho\u1eb7c n\u00f3ng l\u00ean qu\u00e1 m\u1ee9c. V\u00ec PWM l\u00e0 k\u1ef9 thu\u1eadt s\u1ed1, n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea7n m\u1ee9c \u0111\u1ed9 s\u00e1ng nh\u1ea5t qu\u00e1n, ch\u1eb3ng h\u1ea1n nh\u01b0 bi\u1ec3n hi\u1ec7u ho\u1eb7c m\u00e0n h\u00ecnh thi\u1ebft b\u1ecb y t\u1ebf.<\/p>\n\n\n\n

\"h\u00ecnh<\/figure>\n\n\n\n

C\u00e1ch PWM Dimming Ho\u1ea1t \u0110\u1ed9ng<\/h2>\n\n\n\n

PWM ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch chuy\u1ec3n \u0111\u1ed5i \u0111\u00e8n LED gi\u1eefa tr\u1ea1ng th\u00e1i b\u1eadt v\u00e0 t\u1eaft r\u1ea5t nhanh ch\u00f3ng. M\u00f4 h\u00ecnh b\u1eadt\/t\u1eaft n\u00e0y di\u1ec5n ra nhanh \u0111\u1ebfn m\u1ee9c m\u1eaft ng\u01b0\u1eddi c\u1ea3m nh\u1eadn n\u00f3 nh\u01b0 m\u1ed9t \u00e1nh s\u00e1ng li\u00ean t\u1ee5c, kh\u00f4ng c\u00f3 c\u1ea3m gi\u00e1c nh\u1ea5p nh\u00e1y. Th\u1eddi gian \u0111\u00e8n LED b\u1eadt trong m\u1ed9t chu k\u1ef3 (chu k\u1ef3 nhi\u1ec7m v\u1ee5) x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 s\u00e1ng. Chu k\u1ef3 nhi\u1ec7m v\u1ee5 100% c\u00f3 ngh\u0129a l\u00e0 \u0111\u00e8n LED b\u1eadt li\u00ean t\u1ee5c, cung c\u1ea5p \u0111\u1ed9 s\u00e1ng t\u1ed1i \u0111a. \u1ede chu k\u1ef3 nhi\u1ec7m v\u1ee5 50%, \u0111\u00e8n ch\u1ec9 b\u1eadt m\u1ed9t n\u1eeda th\u1eddi gian, d\u1eabn \u0111\u1ebfn \u00e1nh s\u00e1ng m\u1edd h\u01a1n.<\/p>\n\n\n\n

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\"h\u00ecnh<\/figure>\n<\/div>\n\n\n\n
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\"h\u00ecnh<\/figure>\n<\/div>\n<\/div>\n\n\n\n

T\u1ea7n s\u1ed1 c\u1ee7a vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i n\u00e0y, \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng hertz (Hz), \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u1ee9c \u0111\u1ed9 nh\u1eadn bi\u1ebft c\u1ee7a vi\u1ec7c l\u00e0m m\u1edd. \u1ede t\u1ea7n s\u1ed1 th\u1ea5p h\u01a1n, nh\u01b0 t\u1eeb 100Hz \u0111\u1ebfn 2kHz, vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n d\u01b0\u1edbi d\u1ea1ng nh\u1ea5p nh\u00e1y, c\u00f3 th\u1ec3 g\u00e2y m\u1ecfi m\u1eaft cho m\u1ed9t s\u1ed1 ng\u01b0\u1eddi. T\u1ea7n s\u1ed1 cao h\u01a1n, th\u01b0\u1eddng tr\u00ean 2kHz, gi\u1ea3m hi\u1ec7u \u1ee9ng nh\u1ea5p nh\u00e1y n\u00e0y, l\u00e0m cho PWM tho\u1ea3i m\u00e1i h\u01a1n khi ti\u1ebfp x\u00fac l\u00e2u d\u00e0i. PWM dimming do \u0111\u00f3 y\u00eau c\u1ea7u ch\u1ecdn t\u1ea7n s\u1ed1 v\u00e0 chu k\u1ef3 nhi\u1ec7m v\u1ee5 ch\u00ednh x\u00e1c \u0111\u1ec3 c\u00e2n b\u1eb1ng ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u1edbi s\u1ef1 tho\u1ea3i m\u00e1i v\u1ec1 th\u1ecb gi\u00e1c.<\/p>\n\n\n\n

\"h\u00ecnh<\/figure>\n\n\n\n

PWM Dimming C\u00f3 H\u1ea1i Cho M\u1eaft Kh\u00f4ng?<\/h2>\n\n\n\n

PWM dimming, m\u1eb7c d\u00f9 hi\u1ec7u qu\u1ea3, c\u00f3 th\u1ec3 g\u00e2y m\u1ecfi m\u1eaft ho\u1eb7c kh\u00f3 ch\u1ecbu cho m\u1ed9t s\u1ed1 c\u00e1 nh\u00e2n, \u0111\u1eb7c bi\u1ec7t l\u00e0 nh\u1eefng ng\u01b0\u1eddi nh\u1ea1y c\u1ea3m v\u1edbi nh\u1ea5p nh\u00e1y. Hi\u1ec7u \u1ee9ng n\u00e0y l\u00e0 do vi\u1ec7c b\u1eadt\/t\u1eaft \u00e1nh s\u00e1ng \u1edf t\u1ed1c \u0111\u1ed9 cao, c\u00f3 th\u1ec3 g\u00e2y ra nh\u1ea5p nh\u00e1y tinh t\u1ebf m\u00e0 n\u00e3o b\u1ed9 ghi nh\u1eadn ngay c\u1ea3 khi kh\u00f4ng nh\u00ecn th\u1ea5y m\u1ed9t c\u00e1ch c\u00f3 \u00fd th\u1ee9c.<\/strong> C\u00e1c nghi\u00ean c\u1ee9u cho th\u1ea5y r\u1eb1ng ti\u1ebfp x\u00fac k\u00e9o d\u00e0i v\u1edbi m\u00e0n h\u00ecnh s\u1eed d\u1ee5ng PWM dimming, \u0111\u1eb7c bi\u1ec7t \u1edf t\u1ea7n s\u1ed1 th\u1ea5p h\u01a1n, c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn m\u1ec7t m\u1ecfi m\u1eaft, \u0111au \u0111\u1ea7u v\u00e0 th\u1eadm ch\u00ed ch\u00f3ng m\u1eb7t \u1edf m\u1ed9t s\u1ed1 ng\u01b0\u1eddi.<\/p>\n\n\n\n

\u0110\u1ec3 gi\u1ea3m thi\u1ec3u nh\u1eefng hi\u1ec7u \u1ee9ng n\u00e0y, nhi\u1ec1u nh\u00e0 s\u1ea3n xu\u1ea5t m\u00e0n h\u00ecnh v\u00e0 h\u1ec7 th\u1ed1ng chi\u1ebfu s\u00e1ng tri\u1ec3n khai c\u00f4ng ngh\u1ec7 Flicker-Free ho\u1eb7c n\u00e2ng t\u1ea7n s\u1ed1 PWM l\u00ean tr\u00ean gi\u1edbi h\u1ea1n nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c. \u0110\u1ed1i v\u1edbi nh\u1eefng c\u00e1 nh\u00e2n nh\u1ea1y c\u1ea3m v\u1edbi nh\u1ea5p nh\u00e1y, \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng m\u00e0n h\u00ecnh, gi\u1ea3m th\u1eddi gian s\u1eed d\u1ee5ng m\u00e0n h\u00ecnh ho\u1eb7c ch\u1ecdn m\u00e0n h\u00ecnh Flicker-Free c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3m m\u1ecfi m\u1eaft. Nh\u00ecn chung, PWM dimming v\u1eabn l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 c\u00f3 l\u1ee3i, nh\u01b0ng \u0111\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi c\u00f3 \u0111\u1ed9 nh\u1ea1y c\u1ea3m c\u1ee5 th\u1ec3, c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba c\u00f3 th\u1ec3 gi\u00fap l\u00e0m cho c\u00e1c hi\u1ec7u \u1ee9ng c\u1ee7a n\u00f3 tho\u1ea3i m\u00e1i h\u01a1n.<\/p>\n\n\n\n

S\u1ef1 Kh\u00e1c Bi\u1ec7t Gi\u1eefa Analog Dimming v\u00e0 PWM Dimming L\u00e0 G\u00ec?<\/h2>\n\n\n\n

Analog dimming, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 DC dimming, \u0111\u1ea1t \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t \u0111\u1ed9 s\u00e1ng b\u1eb1ng c\u00e1ch \u0111i\u1ec1u ch\u1ec9nh tr\u1ef1c ti\u1ebfp d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua \u0111\u00e8n LED. Khi d\u00f2ng \u0111i\u1ec7n DC gi\u1ea3m, \u00e1nh s\u00e1ng \u0111\u1ea7u ra c\u1ee7a \u0111\u00e8n LED gi\u1ea3m theo t\u1ef7 l\u1ec7. \u0110\u00e2y l\u00e0 m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n h\u01a1n \u0111\u1ec3 l\u00e0m m\u1edd \u0111\u00e8n v\u00e0 tr\u00e1nh m\u1ecdi h\u00ecnh th\u1ee9c nh\u1ea5p nh\u00e1y. Tuy nhi\u00ean, vi\u1ec7c gi\u1ea3m d\u00f2ng \u0111i\u1ec7n d\u1ea7n d\u1ea7n c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 m\u00e0u c\u1ee7a \u00e1nh s\u00e1ng LED, l\u00e0m cho n\u00f3 tr\u00f4ng \u1ea5m h\u01a1n khi \u0111\u1ed9 s\u00e1ng gi\u1ea3m xu\u1ed1ng.<\/p>\n\n\n\n

Ng\u01b0\u1ee3c l\u1ea1i, PWM dimming duy tr\u00ec m\u1ee9c d\u00f2ng \u0111i\u1ec7n nh\u01b0ng \u0111i\u1ec1u ch\u1ec9nh chu k\u1ef3 nhi\u1ec7m v\u1ee5, t\u1ee9c l\u00e0 kho\u1ea3ng th\u1eddi gian \u0111\u00e8n LED b\u1eadt trong m\u1ed7i chu k\u1ef3.<\/strong> Ph\u01b0\u01a1ng ph\u00e1p l\u00e0m m\u1edd k\u1ef9 thu\u1eadt s\u1ed1 c\u1ee7a PWM b\u1ea3o to\u00e0n nhi\u1ec7t \u0111\u1ed9 m\u00e0u c\u1ee7a \u0111\u00e8n LED, gi\u1eef cho n\u00f3 nh\u1ea5t qu\u00e1n tr\u00ean c\u00e1c m\u1ee9c \u0111\u1ed9 s\u00e1ng. S\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0y l\u00e0m cho PWM tr\u1edf n\u00ean \u01b0u vi\u1ec7t h\u01a1n trong c\u00e1c \u1ee9ng d\u1ee5ng m\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c m\u00e0u s\u1eafc l\u00e0 thi\u1ebft y\u1ebfu, ch\u1eb3ng h\u1ea1n nh\u01b0 trong m\u00e0n h\u00ecnh, thi\u1ebft b\u1ecb y t\u1ebf v\u00e0 thi\u1ebft l\u1eadp chi\u1ebfu s\u00e1ng chuy\u00ean nghi\u1ec7p. Analog dimming th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi chi ph\u00ed v\u00e0 s\u1ef1 \u0111\u01a1n gi\u1ea3n \u0111\u01b0\u1ee3c \u01b0u ti\u00ean, trong khi PWM \u0111\u01b0\u1ee3c ch\u1ecdn cho ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c h\u01a1n v\u00e0 \u0111\u1ed9 trung th\u1ef1c m\u00e0u s\u1eafc.<\/p>\n\n\n\n

S\u1ef1 Kh\u00e1c Bi\u1ec7t Gi\u1eefa DC Dimming v\u00e0 PWM Dimming L\u00e0 G\u00ec?<\/h2>\n\n\n\n

S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa DC dimming v\u00e0 PWM dimming n\u1eb1m \u1edf c\u00e1ch m\u1ed7i ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m so\u00e1t \u0111\u1ed9 s\u00e1ng c\u1ee7a \u0111\u00e8n LED:<\/p>\n\n\n\n

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  • DC l\u00e0m m\u1edd<\/strong>, hay analog dimming, tr\u1ef1c ti\u1ebfp \u0111i\u1ec1u ch\u1ec9nh l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng cung c\u1ea5p cho \u0111\u00e8n LED b\u1eb1ng c\u00e1ch h\u1ea1 \u0111i\u1ec7n \u00e1p ho\u1eb7c d\u00f2ng \u0111i\u1ec7n. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn vi\u1ec7c gi\u1ea3m \u0111\u1ed9 s\u00e1ng \u1ed5n \u0111\u1ecbnh m\u00e0 kh\u00f4ng c\u00f3 b\u1ea5t k\u1ef3 nh\u1ea5p nh\u00e1y n\u00e0o. Tuy nhi\u00ean, khi \u0111\u1ed9 s\u00e1ng gi\u1ea3m, m\u00e0u s\u1eafc c\u1ee7a \u0111\u00e8n LED c\u00f3 th\u1ec3 thay \u0111\u1ed5i do m\u1ee9c \u0111i\u1ec7n n\u0103ng th\u1ea5p h\u01a1n.<\/li>\n\n\n\n
  • \u0110i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng PWM<\/strong> ki\u1ec3m so\u00e1t \u0111\u1ed9 s\u00e1ng b\u1eb1ng c\u00e1ch b\u1eadt v\u00e0 t\u1eaft \u0111\u00e8n LED nhanh ch\u00f3ng. Kho\u1ea3ng th\u1eddi gian \u0111\u00e8n LED b\u1eadt trong m\u1ed7i chu k\u1ef3, hay chu k\u1ef3 nhi\u1ec7m v\u1ee5, x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 s\u00e1ng c\u1ee7a n\u00f3. V\u00ec PWM kh\u00f4ng thay \u0111\u1ed5i m\u1ee9c \u0111i\u1ec7n n\u0103ng, n\u00f3 b\u1ea3o to\u00e0n m\u00e0u s\u1eafc v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a \u0111\u00e8n LED ngay c\u1ea3 \u1edf m\u1ee9c \u0111\u1ed9 s\u00e1ng th\u1ea5p h\u01a1n.<\/li>\n<\/ul>\n\n\n\n

    PWM th\u01b0\u1eddng \u0111\u01b0\u1ee3c coi l\u00e0 v\u01b0\u1ee3t tr\u1ed9i h\u01a1n khi c\u1ea7n ki\u1ec3m so\u00e1t \u0111\u1ed9 s\u00e1ng ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 nh\u1ea5t qu\u00e1n m\u00e0u s\u1eafc, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho c\u00e1c \u1ee9ng d\u1ee5ng m\u00e0n h\u00ecnh v\u00e0 chi\u1ebfu s\u00e1ng n\u01a1i duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng \u00e1nh s\u00e1ng l\u00e0 quan tr\u1ecdng. DC dimming th\u01b0\u1eddng \u0111\u01a1n gi\u1ea3n h\u01a1n v\u00e0 kh\u00f4ng nh\u1ea5p nh\u00e1y, h\u1eefu \u00edch trong c\u00e1c \u1ee9ng d\u1ee5ng m\u00e0 s\u1ef1 thay \u0111\u1ed5i m\u00e0u s\u1eafc c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c v\u00e0 s\u1ef1 \u0111\u01a1n gi\u1ea3n l\u00e0 ch\u00eca kh\u00f3a.<\/p>\n\n\n\n

    S\u1ef1 Kh\u00e1c Bi\u1ec7t Gi\u1eefa PWM v\u00e0 Current Dimming Trong \u0110\u00e8n LED L\u00e0 G\u00ec?<\/h2>\n\n\n\n

    M\u1ed9t so s\u00e1nh h\u1eefu \u00edch kh\u00e1c l\u00e0 gi\u1eefa \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng PWM v\u00e0 gi\u1ea3m d\u00f2ng \u0111i\u1ec7n kh\u00f4ng \u0111\u1ed5i (CCR)<\/strong>:<\/p>\n\n\n\n

      \n
    • \u0110i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng PWM<\/strong> nhanh ch\u00f3ng b\u1eadt v\u00e0 t\u1eaft LED, cho ph\u00e9p ki\u1ec3m so\u00e1t \u0111\u1ed9 s\u00e1ng ch\u00ednh x\u00e1c d\u1ef1a tr\u00ean chu k\u1ef3 nhi\u1ec7m v\u1ee5. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y tr\u00e1nh \u0111\u01b0\u1ee3c c\u00e1c v\u1ea5n \u0111\u1ec1 nhi\u1ec7t li\u00ean quan \u0111\u1ebfn vi\u1ec7c gi\u1ea3m m\u1ee9c d\u00f2ng \u0111i\u1ec7n v\u00e0 mang l\u1ea1i \u0111\u1ed9 s\u00e1ng \u1ed5n \u0111\u1ecbnh c\u00f9ng ch\u1ea5t l\u01b0\u1ee3ng m\u00e0u s\u1eafc nh\u1ea5t qu\u00e1n.<\/li>\n\n\n\n
    • Gi\u1ea3m d\u00f2ng kh\u00f4ng \u0111\u1ed5i (CCR)<\/strong> l\u00e0m m\u1edd LED b\u1eb1ng c\u00e1ch gi\u1ea3m d\u00f2ng \u0111i\u1ec7n th\u1ef1c t\u1ebf ch\u1ea1y qua ch\u00fang, khi\u1ebfn LED m\u1edd d\u1ea7n khi d\u00f2ng \u0111i\u1ec7n gi\u1ea3m. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y gi\u1eef cho LED \u1edf tr\u1ea1ng th\u00e1i \u201cb\u1eadt\u201d li\u00ean t\u1ee5c m\u00e0 kh\u00f4ng nh\u1ea5p nh\u00e1y, \u0111i\u1ec1u m\u00e0 m\u1ed9t s\u1ed1 ng\u01b0\u1eddi d\u00f9ng \u01b0a th\u00edch. Tuy nhi\u00ean, \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng CCR c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn thay \u0111\u1ed5i m\u00e0u s\u1eafc nh\u1eb9 khi \u0111\u1ed9 s\u00e1ng gi\u1ea3m do d\u00f2ng \u0111i\u1ec7n gi\u1ea3m.<\/li>\n<\/ul>\n\n\n\n
      \"h\u00ecnh<\/figure>\n\n\n\n

      C\u1ea3 hai ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec1u c\u00f3 \u01b0u v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m. PWM l\u00e0 l\u00fd t\u01b0\u1edfng khi c\u1ea7n chuy\u1ec3n m\u1ea1ch t\u1ea7n s\u1ed1 cao v\u00e0 \u0111\u1ea7u ra \u00e1nh s\u00e1ng \u1ed5n \u0111\u1ecbnh, trong khi CCR mang l\u1ea1i tr\u1ea3i nghi\u1ec7m \u0111\u01a1n gi\u1ea3n h\u01a1n, kh\u00f4ng nh\u1ea5p nh\u00e1y v\u00e0 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t trong nhi\u1ec1u \u1ee9ng d\u1ee5ng chi\u1ebfu s\u00e1ng th\u1ef1c t\u1ebf.<\/p>\n\n\n\n

      L\u1ee3i \u00edch v\u00e0 H\u1ea1n ch\u1ebf c\u1ee7a \u0110i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng PWM<\/h2>\n\n\n\n

      L\u1ee3i \u00edch c\u1ee7a \u0110i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng PWM<\/h3>\n\n\n\n
        \n
      1. Hi\u1ec7u su\u1ea5t n\u0103ng l\u01b0\u1ee3ng<\/strong>: B\u1eb1ng c\u00e1ch \u0111i\u1ec1u ch\u1ebf d\u00f2ng \u0111i\u1ec7n, \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng PWM gi\u1ea3m ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng hi\u1ec7u qu\u1ea3, gi\u00fap ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng.<\/li>\n\n\n\n
      2. Ch\u1ea5t l\u01b0\u1ee3ng m\u00e0u s\u1eafc nh\u1ea5t qu\u00e1n<\/strong>: \u0110i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng PWM kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u00e0u s\u1eafc c\u1ee7a LED, v\u00ec v\u1eady thay \u0111\u1ed5i \u0111\u1ed9 s\u00e1ng kh\u00f4ng d\u1eabn \u0111\u1ebfn thay \u0111\u1ed5i m\u00e0u s\u1eafc, m\u1ed9t l\u1ee3i th\u1ebf so v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c.<\/li>\n\n\n\n
      3. Ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c<\/strong>: PWM cho ph\u00e9p \u0111i\u1ec1u ch\u1ec9nh ch\u00ednh x\u00e1c m\u1ee9c \u0111\u1ed9 s\u00e1ng, khi\u1ebfn n\u00f3 r\u1ea5t ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u ki\u1ec3m so\u00e1t \u00e1nh s\u00e1ng tinh ch\u1ec9nh.<\/li>\n<\/ol>\n\n\n\n

        H\u1ea1n ch\u1ebf c\u1ee7a \u0110i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng PWM<\/h3>\n\n\n\n
          \n
        1. M\u1ecfi m\u1eaft cho ng\u01b0\u1eddi d\u00f9ng nh\u1ea1y c\u1ea3m<\/strong>: PWM c\u00f3 th\u1ec3 g\u00e2y kh\u00f3 ch\u1ecbu cho nh\u1eefng ng\u01b0\u1eddi nh\u1ea1y c\u1ea3m v\u1edbi nh\u1ea5p nh\u00e1y, \u0111\u1eb7c bi\u1ec7t \u1edf t\u1ea7n s\u1ed1 th\u1ea5p.<\/li>\n\n\n\n
        2. Thi\u1ebft k\u1ebf ph\u1ee9c t\u1ea1p<\/strong>: T\u00edch h\u1ee3p \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng PWM c\u00f3 th\u1ec3 y\u00eau c\u1ea7u m\u1ea1ch \u0111i\u1ec7n ph\u1ee9c t\u1ea1p h\u01a1n so v\u1edbi \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng analog, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn chi ph\u00ed v\u00e0 thi\u1ebft k\u1ebf.<\/li>\n\n\n\n
        3. M\u1ed1i quan t\u00e2m v\u1ec1 t\u01b0\u01a1ng th\u00edch<\/strong>: Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 tr\u00ecnh \u0111i\u1ec1u khi\u1ec3n LED \u0111\u1ec1u h\u1ed7 tr\u1ee3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng PWM, v\u00ec v\u1eady vi\u1ec7c \u0111\u1ea3m b\u1ea3o t\u01b0\u01a1ng th\u00edch v\u1edbi tr\u00ecnh \u0111i\u1ec1u khi\u1ec3n h\u1ed7 tr\u1ee3 PWM l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft.<\/li>\n<\/ol>\n\n\n\n

          \u1ee8ng d\u1ee5ng c\u1ee7a \u0110i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng PWM trong Chi\u1ebfu s\u00e1ng v\u00e0 \u0110i\u1ec7n t\u1eed<\/h2>\n\n\n\n

          T\u00ednh linh ho\u1ea1t c\u1ee7a \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng PWM khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh gi\u1ea3i ph\u00e1p h\u00e0ng \u0111\u1ea7u trong nhi\u1ec1u l\u0129nh v\u1ef1c:<\/p>\n\n\n\n

            \n
          • Chi\u1ebfu s\u00e1ng LED<\/strong>: T\u1eeb \u0111\u00e8n \u0111\u01b0\u1eddng \u0111\u1ebfn chi\u1ebfu s\u00e1ng gia \u0111\u00ecnh, \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng PWM cho ph\u00e9p ki\u1ec3m so\u00e1t \u0111\u1ed9 s\u00e1ng m\u01b0\u1ee3t m\u00e0, c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn tu\u1ed5i th\u1ecd ho\u1eb7c hi\u1ec7u su\u1ea5t c\u1ee7a LED.<\/li>\n\n\n\n
          • M\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb<\/strong>: H\u1ea7u h\u1ebft m\u00e0n h\u00ecnh hi\u1ec7n \u0111\u1ea1i, bao g\u1ed3m \u0111i\u1ec7n tho\u1ea1i, m\u00e1y t\u00ednh v\u00e0 tivi, s\u1eed d\u1ee5ng \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng PWM \u0111\u1ec3 cung c\u1ea5p kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t \u0111\u1ed9 s\u00e1ng \u0111\u1ed9ng trong khi v\u1eabn duy tr\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c m\u00e0u s\u1eafc.<\/li>\n\n\n\n
          • \u0110i\u1ec1u khi\u1ec3n \u0111\u1ed9ng c\u01a1<\/strong>: PWM c\u0169ng \u0111i\u1ec1u khi\u1ec3n t\u1ed1c \u0111\u1ed9 c\u1ee7a \u0111\u1ed9ng c\u01a1 DC trong c\u00e1c h\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng h\u00f3a, \u0111\u1ea3m b\u1ea3o v\u1eadn h\u00e0nh tr\u01a1n tru v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng trong m\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p.<\/li>\n<\/ul>\n\n\n\n

            \u0110i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng b\u1eb1ng PWM d\u1ec5 d\u00e0ng th\u00edch \u1ee9ng tr\u00ean nhi\u1ec1u c\u00f4ng ngh\u1ec7, cung c\u1ea5p kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng, n\u00e2ng cao c\u1ea3 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng l\u1eabn tu\u1ed5i th\u1ecd s\u1ea3n ph\u1ea9m.<\/p>\n\n\n\n

            C\u00e1ch Thi\u1ebft L\u1eadp B\u1ed9 \u0110i\u1ec1u Khi\u1ec3n LED L\u00e0m M\u1edd PWM<\/h2>\n\n\n\n

            Vi\u1ec7c thi\u1ebft l\u1eadp b\u1ed9 \u0111i\u1ec1u khi\u1ec3n LED l\u00e0m m\u1edd PWM r\u1ea5t \u0111\u01a1n gi\u1ea3n v\u1edbi c\u00e1c b\u01b0\u1edbc sau:<\/p>\n\n\n\n

              \n
            1. Ch\u1ecdn B\u1ed9 \u0110i\u1ec1u Khi\u1ec3n T\u01b0\u01a1ng Th\u00edch PWM<\/strong>: X\u00e1c minh r\u1eb1ng b\u1ed9 \u0111i\u1ec1u khi\u1ec3n LED b\u1ea1n ch\u1ecdn c\u00f3 th\u1ec3 x\u1eed l\u00fd t\u00edn hi\u1ec7u PWM. Nhi\u1ec1u b\u1ed9 \u0111i\u1ec1u khi\u1ec3n ghi r\u00f5 li\u1ec7u ch\u00fang c\u00f3 t\u01b0\u01a1ng th\u00edch v\u1edbi vi\u1ec7c l\u00e0m m\u1edd PWM hay kh\u00f4ng.<\/li>\n\n\n\n
            2. Ch\u1ecdn T\u1ea7n S\u1ed1 Ph\u00f9 H\u1ee3p<\/strong>: \u0110\u1ed1i v\u1edbi chi\u1ebfu s\u00e1ng, t\u1ea7n s\u1ed1 cao h\u01a1n (tr\u00ean 2kHz) \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb \u0111\u1ec3 gi\u1ea3m nh\u1ea5p nh\u00e1y v\u00e0 cung c\u1ea5p kh\u1ea3 n\u0103ng l\u00e0m m\u1edd m\u01b0\u1ee3t m\u00e0.<\/li>\n\n\n\n
            3. K\u1ebft N\u1ed1i T\u00edn Hi\u1ec7u PWM<\/strong>: K\u1ebft n\u1ed1i b\u1ed9 \u0111i\u1ec1u khi\u1ec3n PWM v\u1edbi b\u1ed9 \u0111i\u1ec1u khi\u1ec3n LED, \u0111i\u1ec1u ch\u1ec9nh chu k\u1ef3 nhi\u1ec7m v\u1ee5 \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 s\u00e1ng mong mu\u1ed1n. Th\u1eed nghi\u1ec7m c\u00e1c t\u1ea7n s\u1ed1 v\u00e0 chu k\u1ef3 nhi\u1ec7m v\u1ee5 kh\u00e1c nhau s\u1ebd gi\u00fap t\u1ed1i \u01b0u h\u00f3a thi\u1ebft l\u1eadp \u0111\u1ec3 c\u00f3 hi\u1ec7u su\u1ea5t t\u1ed1t nh\u1ea5t v\u00e0 s\u1ef1 tho\u1ea3i m\u00e1i v\u1ec1 th\u1ecb gi\u00e1c.<\/li>\n<\/ol>\n\n\n\n

              Th\u1ef1c hi\u1ec7n theo c\u00e1c b\u01b0\u1edbc n\u00e0y \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t \u0111\u00e1ng tin c\u1eady v\u00e0 k\u1ebft qu\u1ea3 l\u00e0m m\u1edd m\u01b0\u1ee3t m\u00e0, khi\u1ebfn PWM tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn hi\u1ec7u qu\u1ea3 cho nhi\u1ec1u \u1ee9ng d\u1ee5ng LED kh\u00e1c nhau.<\/p>\n\n\n\n

              T\u00f3m t\u1eaft<\/h2>\n\n\n\n

              L\u00e0m m\u1edd PWM l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p linh ho\u1ea1t v\u00e0 hi\u1ec7u qu\u1ea3 \u0111\u1ec3 ki\u1ec3m so\u00e1t \u0111\u1ed9 s\u00e1ng LED, \u0111\u1eb7c bi\u1ec7t trong chi\u1ebfu s\u00e1ng v\u00e0 m\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb. V\u1edbi PWM, b\u1ea1n c\u00f3 \u0111\u01b0\u1ee3c kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t tinh ch\u1ec9nh m\u1ee9c \u00e1nh s\u00e1ng m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t n\u0103ng l\u01b0\u1ee3ng ho\u1eb7c \u0111\u1ed9 ch\u00ednh x\u00e1c m\u00e0u s\u1eafc. D\u00f9 b\u1ea1n \u0111ang thi\u1ebft l\u1eadp \u00e1nh s\u00e1ng cho ng\u00f4i nh\u00e0, \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng m\u00e0n h\u00ecnh, hay l\u00e0m vi\u1ec7c tr\u00ean m\u1ed9t d\u1ef1 \u00e1n \u0111i\u1ec7n t\u1eed, hi\u1ec3u v\u1ec1 l\u00e0m m\u1edd PWM s\u1ebd cung c\u1ea5p cho b\u1ea1n ki\u1ebfn th\u1ee9c \u0111\u1ec3 \u0111\u01b0a ra nh\u1eefng l\u1ef1a ch\u1ecdn s\u00e1ng su\u1ed1t v\u00e0 c\u00f3 l\u1ee3i.<\/p>","protected":false},"excerpt":{"rendered":"

              PWM dimming, or Pulse Width Modulation dimming, is a method of controlling the brightness of LEDs and other lighting systems by rapidly switching the light on and off. This technique allows precise control over brightness while ensuring energy efficiency and maintaining color quality. PWM dimming is widely used in various applications, from residential lighting to […]<\/p>\n","protected":false},"author":1,"featured_media":5154,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"none","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"both","_seopress_redirections_param":"","_seopress_redirections_type":301,"_seopress_analysis_target_kw":"","_seopress_news_disabled":"","_seopress_video_disabled":"","_seopress_video":[],"_seopress_pro_schemas_manual":[],"_seopress_pro_rich_snippets_disable_all":"","_seopress_pro_rich_snippets_disable":[],"_seopress_pro_schemas":[],"footnotes":""},"categories":[38],"tags":[],"class_list":{"0":"post-5118","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-other-dimming"},"_links":{"self":[{"href":"https:\/\/bo-qi.com\/vi\/wp-json\/wp\/v2\/posts\/5118","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bo-qi.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bo-qi.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bo-qi.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bo-qi.com\/vi\/wp-json\/wp\/v2\/comments?post=5118"}],"version-history":[{"count":0,"href":"https:\/\/bo-qi.com\/vi\/wp-json\/wp\/v2\/posts\/5118\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bo-qi.com\/vi\/wp-json\/wp\/v2\/media\/5154"}],"wp:attachment":[{"href":"https:\/\/bo-qi.com\/vi\/wp-json\/wp\/v2\/media?parent=5118"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bo-qi.com\/vi\/wp-json\/wp\/v2\/categories?post=5118"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bo-qi.com\/vi\/wp-json\/wp\/v2\/tags?post=5118"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}