{"id":7571,"date":"2025-04-11T12:54:48","date_gmt":"2025-04-11T07:24:48","guid":{"rendered":"https:\/\/robocoz.in\/?post_type=product&#038;p=7571"},"modified":"2025-04-11T14:41:47","modified_gmt":"2025-04-11T09:11:47","slug":"dtmf-module","status":"publish","type":"product","link":"https:\/\/robocoz.in\/?product=dtmf-module","title":{"rendered":"DTMF Module"},"content":{"rendered":"<p>Description<br \/>\nDTMF is commonly found in touch tone devices such as a phone. The tone is a combination of two separate sine waves that produce a unique signal that can be transmitted or heard. When the module receives the signal it is able to decode it and produce a binary output that can be used in other devices. The module shows the state of the signal through onboard LEDs.<br \/>\nThis component is ideally suited to adding dual tone multi frequency (DTMF) decoding to your project. This detection module interprets the incoming tone and produces a coded output that can be connected to all manner of microcontrollers.<br \/>\nAs an idea you can connect up a mobile phone via 3.5mm to 3.5mm cable to the module. Dialing into the phone from a second mobile and then using the keypad will produce the tones on the original phone. The tones in the call can then be interpreted by the module, allowing you to control all manner of projects.<br \/>\nFeatures:<br \/>\n    \u2022 MT8870 module decodes DTMF signals from an audio source and it is suitable for remote monitoring applications, telephone answering machines and more<br \/>\n    \u2022 A low power device DTMF decoder chip. It is a complete DTMF receiver integrating both the band-split filter and digital decoding functions<br \/>\n    \u2022 On-board MT8870 frequency decoder chip<br \/>\n    \u2022 On-board audio input interface<br \/>\n    \u2022 On-board LED lights for output status indicator<br \/>\nPackage include :<br \/>\n1 x DTMF Module<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Features<br \/>\n    \u2022 Operating voltage: 3V \u2013 5V DC<br \/>\n    \u2022 Dimensions: 26.5 x 24.5mm<br \/>\n    \u2022 on board MT8870 complex frequency decoder chip<br \/>\n    \u2022 on board voice input interface<br \/>\n    \u2022 on board 5 led indicator<br \/>\n    \u2022 Main pin lead out already<br \/>\n    \u2022 PCB size:26.5(mm)x24.5(mm)<\/p>\n","protected":false},"featured_media":7572,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_cat":[194,60],"product_tag":[],"class_list":{"0":"post-7571","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-electronic-modules-and-displays-categories","7":"product_cat-06_electronics-modules-displays","9":"first","10":"instock","11":"shipping-taxable","12":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.3 - 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Robocoz-Tech Solution","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/robocoz.in\/?product=dtmf-module","og_locale":"en_US","og_type":"article","og_title":"DTMF Module - Robocoz-Tech Solution","og_description":"Features   \u2022 Operating voltage: 3V \u2013 5V DC   \u2022 Dimensions: 26.5 x 24.5mm   \u2022 on board MT8870 complex frequency decoder chip   \u2022 on board voice input interface   \u2022 on board 5 led indicator   \u2022 Main pin lead out already   \u2022 PCB size:26.5(mm)x24.5(mm)","og_url":"https:\/\/robocoz.in\/?product=dtmf-module","og_site_name":"Robocoz-Tech Solution","article_modified_time":"2025-04-11T09:11:47+00:00","og_image":[{"width":382,"height":382,"url":"https:\/\/robocoz.in\/wp-content\/uploads\/2025\/04\/DTMF-Module.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/robocoz.in\/?product=dtmf-module","url":"https:\/\/robocoz.in\/?product=dtmf-module","name":"DTMF Module - 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