{"id":827,"date":"2026-04-03T05:12:51","date_gmt":"2026-04-03T05:12:51","guid":{"rendered":"https:\/\/1v1jobs.com\/index.php\/product\/ne555-doorbell-suite-electronic-production-doorbell-suite-diy-kit-ding-dong-doorbell-pcb-welding-laboratory\/"},"modified":"2026-04-03T05:12:53","modified_gmt":"2026-04-03T05:12:53","slug":"ne555-doorbell-suite-electronic-production-doorbell-suite-diy-kit-ding-dong-doorbell-pcb-welding-laboratory","status":"publish","type":"product","link":"https:\/\/1v1jobs.com\/index.php\/product\/ne555-doorbell-suite-electronic-production-doorbell-suite-diy-kit-ding-dong-doorbell-pcb-welding-laboratory\/","title":{"rendered":"NE555 Doorbell Suite Electronic Production Doorbell Suite DIY Kit Ding dong doorbell PCB welding laboratory"},"content":{"rendered":"
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Features:<\/span><\/span><\/div>\n
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100% brand new and high quality<\/span><\/span><\/div>\n
Ding dong doorbell switch s1 is push button switch on the door, without press the switch, the capacitance cannot be connected is not recharged, and capacitance voltage of 0 v, the reset has been in a low level condition, leading to the speaker doesn't work.When closed switch s1, the VCC current through the diode for capacitor charging, make its both ends of the voltage, and reset voltage also began to rise gradually.When the voltage of the capacitance increased to higher levels, namely the reset input port is the high level, the timer starts, composed of resistance, capacitance and diode oscillator start work, output frequency for f1.When disconnecting switch s1, resistance and capacitance circuit, capacitor began to discharge.At the same time composed of resistance, capacitance and diode oscillator start work, output frequency for ` 2 f.Restore low level is reset when the capacitor discharge end, timer stop working.<\/span><\/span><\/div>\n
In the speaker output termination, output current will make the speaker voice.Output frequency is not at the same time, the sound is different.This circuit has two kinds of different frequency, so the speaker will be issued a "ding" "dong" two kinds of different sounds.<\/span><\/span><\/div>\n
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Specifications:\u00a0<\/span><\/span><\/div>\n
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Package Name: NE555 doorbell kit\u00a0<\/span><\/span><\/div>\n
Working voltage: 4.0-7.0V<\/span><\/span><\/div>\n
PCB size: 28mm (L) *25mm (W)<\/span><\/span><\/div>\n
Kit horn: 8 Ohm 0.25W<\/span><\/span><\/div>\n
Color: Beige<\/span><\/span><\/div>\n
Net Weight: 15g<\/span><\/span><\/div>\n
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Package Includes:\u00a0<\/span><\/span><\/div>\n
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1* 8 Ohm 0.25W horn\u00a0<\/span><\/span><\/div>\n
2* 100MM red line<\/span><\/span><\/div>\n
2* 100MM black line\u00a0<\/span><\/span><\/div>\n
1* NE555 chip\u00a0<\/span><\/span><\/div>\n
1* 8P IC block\u00a0<\/span><\/span><\/div>\n
1* 100UF 25V Capacitance<\/span><\/span><\/div>\n
1* 10UF 25V Capacitance<\/span><\/span><\/div>\n
1* 6*6*5 keystroke]\u00a0<\/span><\/span><\/div>\n
3* 103 ceramic capacitors\u00a0<\/span><\/span><\/div>\n
5* 47K resistance\u00a0<\/span><\/span><\/div>\n
2* 1N4148<\/span><\/span><\/div>\n

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Features: 100% brand new and high quality Ding dong doorbell switch s1 is push button switch on the door, without […]<\/p>\n","protected":false},"featured_media":828,"comment_status":"open","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[],"product_tag":[],"class_list":{"0":"post-827","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"desktop-align-left","7":"tablet-align-left","8":"mobile-align-left","10":"first","11":"instock","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"yoast_head":"\nNE555 Doorbell Suite Electronic Production Doorbell Suite DIY Kit Ding dong doorbell PCB welding laboratory - 1V1JOBS<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/1v1jobs.com\/index.php\/product\/ne555-doorbell-suite-electronic-production-doorbell-suite-diy-kit-ding-dong-doorbell-pcb-welding-laboratory\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NE555 Doorbell Suite Electronic Production Doorbell Suite DIY Kit Ding dong doorbell PCB welding laboratory - 1V1JOBS\" \/>\n<meta property=\"og:description\" content=\"Features: 100% brand new and high quality Ding dong doorbell switch s1 is push button switch on the door, without […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/1v1jobs.com\/index.php\/product\/ne555-doorbell-suite-electronic-production-doorbell-suite-diy-kit-ding-dong-doorbell-pcb-welding-laboratory\/\" \/>\n<meta property=\"og:site_name\" content=\"1V1JOBS\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-03T05:12:53+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/ae01.alicdn.com\/kf\/HTB1jyWEXHr1gK0jSZFDq6z9yVXa2.jpg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/1v1jobs.com\\\/index.php\\\/product\\\/ne555-doorbell-suite-electronic-production-doorbell-suite-diy-kit-ding-dong-doorbell-pcb-welding-laboratory\\\/\",\"url\":\"https:\\\/\\\/1v1jobs.com\\\/index.php\\\/product\\\/ne555-doorbell-suite-electronic-production-doorbell-suite-diy-kit-ding-dong-doorbell-pcb-welding-laboratory\\\/\",\"name\":\"NE555 Doorbell Suite Electronic Production Doorbell Suite DIY Kit Ding dong doorbell PCB welding laboratory - 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