{"id":2603,"date":"2025-03-11T11:59:03","date_gmt":"2025-03-11T11:59:03","guid":{"rendered":"https:\/\/ecom.roboskillify.com\/index.php\/product\/m5-stack-pdm-microphone-unit-spm1423\/"},"modified":"2025-03-11T11:59:04","modified_gmt":"2025-03-11T11:59:04","slug":"m5-stack-pdm-microphone-unit-spm1423","status":"publish","type":"product","link":"https:\/\/ecom.roboskillify.com\/index.php\/product\/m5-stack-pdm-microphone-unit-spm1423\/","title":{"rendered":"M5 Stack PDM Microphone Unit (SPM1423)"},"content":{"rendered":"<style data-mce-fragment=\"1\" type=\"text\/css\"><!--\ntd {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}\n--><\/style>\n<h2><span data-mce-fragment=\"1\" data-sheets-userformat='{\"2\":12418,\"4\":{\"1\":3,\"3\":2},\"10\":2,\"15\":\"Calibri\",\"16\":12}' data-sheets-value='{\"1\":2,\"2\":\"PDM Microphone Unit (SPM1423)\"}'>M5 Stack PDM Microphone Unit (SPM1423)<\/span><\/h2>\n<p><span data-mce-fragment=\"1\" data-sheets-userformat='{\"2\":12418,\"4\":{\"1\":3,\"3\":2},\"10\":2,\"15\":\"Calibri\",\"16\":12}' data-sheets-value='{\"1\":2,\"2\":\"PDM Microphone Unit (SPM1423)\"}'>PDM mini Unit is a digital MEMS silicon-based microphone based on PDM (Pulse Density Modulation) signal. The microphone has a high signal-to-noise ratio, high sensitivity, low power consumption, anti-radio frequency interference, smooth frequency response, and other characteristics. It automatically switches the microphone state according to the clock frequency (power down\/activate\/sleep)and can be widely used for the audio data collection on wearable devices and smart digital devices.<\/span><\/p>\n<h2><span data-mce-fragment=\"1\" data-sheets-userformat='{\"2\":12418,\"4\":{\"1\":3,\"3\":2},\"10\":2,\"15\":\"Calibri\",\"16\":12}' data-sheets-value='{\"1\":2,\"2\":\"PDM Microphone Unit (SPM1423)\"}'>Applications:<\/span><\/h2>\n<ul>\n<li>Spectrum Analyzer<\/li>\n<li>Recorder<\/li>\n<li>Noise meter<\/li>\n<\/ul>\n<h2>Package Includes:<\/h2>\n<p>1x PDM mini Unit<br \/>1x HY2.0 4P Cable(5CM)<\/p>\n<h2>Specifications:<\/h2>\n<table>\n<tbody>\n<tr>\n<td>Sensitivity<\/td>\n<td>94dB SPL@1KHz Nom.:-22dBFS<\/td>\n<\/tr>\n<tr>\n<td>Signal to Noise Ratio<\/td>\n<td>94dB SPL@1KHz,A-weighted Nom.:61.4dB<\/td>\n<\/tr>\n<tr>\n<td>Total Harmonic Distortion<\/td>\n<td>100dB SPL@1KHz Nom.:1%<\/td>\n<\/tr>\n<tr>\n<td>Working voltage range<\/td>\n<td>1.6 V to 3.6 V<\/td>\n<\/tr>\n<tr>\n<td>Working Current<\/td>\n<td>600\u00b5A<\/td>\n<\/tr>\n<tr>\n<td>Dimensions\n<\/td>\n<td><span>24 x 24 x 13mm<\/span><\/td>\n<\/tr>\n<tr>\n<td>Weight<\/td>\n<td>8gm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>M5 Stack PDM Microphone Unit (SPM1423) PDM mini Unit is a digital MEMS silicon-based microphone based on PDM (Pulse Density Modulation) signal. The microphone has a high signal-to-noise ratio, high sensitivity, low power consumption, anti-radio frequency interference, smooth frequency response, and other characteristics. It automatically switches the microphone state according to the clock frequency (power [&hellip;]<\/p>\n","protected":false},"featured_media":2218,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[296],"product_tag":[245,255],"class_list":{"0":"post-2603","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-m5-stack-sensors-hats","7":"product_tag-m5-stack","8":"product_tag-m5-stack-sensors-hats","10":"first","11":"instock","12":"sale","13":"shipping-taxable","14":"purchasable","15":"product-type-simple"},"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/ecom.roboskillify.com\/index.php\/wp-json\/wp\/v2\/product\/2603","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ecom.roboskillify.com\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/ecom.roboskillify.com\/index.php\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/ecom.roboskillify.com\/index.php\/wp-json\/wp\/v2\/comments?post=2603"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ecom.roboskillify.com\/index.php\/wp-json\/wp\/v2\/media\/2218"}],"wp:attachment":[{"href":"https:\/\/ecom.roboskillify.com\/index.php\/wp-json\/wp\/v2\/media?parent=2603"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/ecom.roboskillify.com\/index.php\/wp-json\/wp\/v2\/product_brand?post=2603"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/ecom.roboskillify.com\/index.php\/wp-json\/wp\/v2\/product_cat?post=2603"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/ecom.roboskillify.com\/index.php\/wp-json\/wp\/v2\/product_tag?post=2603"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}