{"id":6842,"date":"2022-03-28T17:56:00","date_gmt":"2022-03-28T10:56:00","guid":{"rendered":"https:\/\/eplusi.net\/?p=6842"},"modified":"2025-12-23T22:56:41","modified_gmt":"2025-12-23T15:56:41","slug":"e-sensor-slave-noise","status":"publish","type":"post","link":"https:\/\/eplusi.net\/en\/products\/e-sensor-slave-noise\/","title":{"rendered":"E-Sensor Slave Noise"},"content":{"rendered":"
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M\u00f4 t\u1ea3 chung<\/strong><\/span><\/p>

B\u1ed9 c\u1ea3m bi\u1ebfn kh\u00f4ng d\u00e2y E-Sensor\u00ae<\/sup> Slave Noise \u0111o \u0111\u1ed9 \u1ed3n hay c\u01b0\u1eddng \u0111\u1ed9 \u00e2m thanh trong m\u00f4i tr\u01b0\u1eddng kh\u00f4ng kh\u00ed. C\u1ea3m bi\u1ebfn c\u00f3 \u0111\u1ed9 tin c\u1eady cao, \u1ed5n \u0111\u1ecbnh, d\u1ea3i \u0111o r\u1ed9ng, kh\u00f4ng c\u1ea7n chuy\u1ec3n d\u1ea3i, \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng \u0111\u1ec3 \u0111o trong m\u00e1y m\u00f3c, ph\u01b0\u01a1ng ti\u1ec7n, thi\u1ebft b\u1ecb \u0111i\u1ec7n v\u00e0 \u0111o ti\u1ebfng \u1ed3n trong c\u00f4ng nghi\u1ec7p, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111o ti\u1ebfng \u1ed3n m\u00f4i tr\u01b0\u1eddng, b\u1ea3o h\u1ed9 lao \u0111\u1ed9ng v\u00e0 v\u1ec7 sinh c\u00f4ng nghi\u1ec7p v.v. C\u1ea3m bi\u1ebfn k\u1ebft n\u1ed1i v\u1edbi b\u1ed9 trung t\u00e2m E-Sensor\u00ae<\/sup> Master qua s\u00f3ng kh\u00f4ng d\u00e2y tr\u00ean t\u1ea7n s\u1ed1 433Mhz \u0111\u1ec3 thu th\u1eadp d\u1eef li\u1ec7u online. Kho\u1ea3ng c\u00e1ch truy\u1ec1n nh\u1eadn t\u1eeb b\u1ed9 c\u1ea3m bi\u1ebfn t\u1edbi b\u1ed9 trung t\u00e2m 100 – 300m v\u1edbi s\u00f3ng RF433Mhz, kho\u1ea3ng c\u00e1ch 100 – 1000m v\u1edbi s\u00f3ng Lora 433Mhz (line of sight).<\/span><\/p>

\u00a0<\/p>

S\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t \u0111\u1ed9 \u1ed3n online<\/strong><\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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B\u1ea3ng tham kh\u1ea3o ti\u1ebfng \u1ed3n trong kh\u00f4ng kh\u00ed<\/span><\/strong><\/p>
\u0110\u1ed9 \u1ed3n – Decibel (dB)<\/strong><\/span><\/td>

\u00a0T\u01b0\u01a1ng \u1ee9ng v\u1edbi m\u00f4i tr\u01b0\u1eddng xung quanh<\/strong><\/span><\/p><\/td><\/tr>

\u00a00 dB<\/span><\/td>\u00a0Ho\u00e0n to\u00e0n kh\u00f4ng nghe th\u1ea5y \u00e2m thanh<\/span><\/td><\/tr>
10 dB<\/span><\/td>\u00a0H\u01a1i th\u1edf c\u1ee7a ch\u00fang ta<\/span><\/td><\/tr>
20 dB<\/span><\/td>\u00a0Ti\u1ebfng l\u00e1 r\u01a1i<\/span><\/td><\/tr>
30 dB<\/span><\/td>\u00a0Ti\u1ebfng l\u00e1 x\u00e0o x\u1ea1c<\/span><\/td><\/tr>
40 dB<\/span><\/td>\u00a0Ti\u1ebfng th\u00ec th\u1ea7m<\/span><\/td><\/tr>
50 dB<\/span><\/td>\u00a0L\u01b0\u1ee3ng m\u01b0a v\u1eeba ph\u1ea3i\u00a0<\/span><\/td><\/tr>
60 dB<\/span><\/td>\u00a0Cu\u1ed9c n\u00f3i chuy\u1ec7n b\u00ecnh th\u01b0\u1eddng\u00a0<\/span><\/td><\/tr>
70 dB<\/span><\/td>\u00a0V\u0103n ph\u00f2ng \u1ed3n \u00e0o, si\u00eau th\u1ecb, ti\u1ebfng \u1ed3n ngo\u00e0i \u0111\u01b0\u1eddng<\/span><\/td><\/tr>
80 dB<\/span><\/td>\u00a0H\u1ed9i tr\u01b0\u1eddng \u1ed3n \u00e0o, nh\u00e0 in\u00a0<\/span><\/td><\/tr>
90 dB<\/span><\/td>\u00a0Nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t<\/span><\/td><\/tr>
110 dB<\/span><\/td>\u00a0Ti\u1ebfng nh\u1ea1c Rock<\/span><\/td><\/tr>
130 dB<\/span><\/td>\u00a0Phi c\u01a1 c\u1ea5t c\u00e1nh, c\u00f2i xe c\u1ee9u h\u1ecfa<\/span><\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

M\u00f4 t\u1ea3 chung B\u1ed9 c\u1ea3m bi\u1ebfn kh\u00f4ng d\u00e2y E-Sensor\u00ae Slave Noise \u0111o \u0111\u1ed9 \u1ed3n hay c\u01b0\u1eddng \u0111\u1ed9 \u00e2m thanh trong m\u00f4i tr\u01b0\u1eddng kh\u00f4ng kh\u00ed. C\u1ea3m bi\u1ebfn c\u00f3 \u0111\u1ed9 tin c\u1eady cao, \u1ed5n \u0111\u1ecbnh, d\u1ea3i \u0111o r\u1ed9ng, kh\u00f4ng c\u1ea7n chuy\u1ec3n d\u1ea3i, \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng \u0111\u1ec3 \u0111o trong m\u00e1y m\u00f3c, ph\u01b0\u01a1ng ti\u1ec7n, thi\u1ebft b\u1ecb \u0111i\u1ec7n v\u00e0 \u0111oContinue reading “E-Sensor Slave Noise”<\/span><\/a><\/p>","protected":false},"author":3,"featured_media":6841,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uf_show_specific_survey":0,"_uf_disable_surveys":false},"categories":[37,32,24],"tags":[43,142,168,167,51,166,163,164],"_links":{"self":[{"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/posts\/6842"}],"collection":[{"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/comments?post=6842"}],"version-history":[{"count":25,"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/posts\/6842\/revisions"}],"predecessor-version":[{"id":8419,"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/posts\/6842\/revisions\/8419"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/media\/6841"}],"wp:attachment":[{"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/media?parent=6842"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/categories?post=6842"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/eplusi.net\/en\/wp-json\/wp\/v2\/tags?post=6842"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}