{"id":6998,"date":"2022-02-21T15:25:54","date_gmt":"2022-02-21T22:25:54","guid":{"rendered":"https:\/\/www.circuitspecialists.com\/blog\/?p=6998"},"modified":"2022-02-22T15:30:00","modified_gmt":"2022-02-22T22:30:00","slug":"build-an-electric-piano-circuit-on-pbb-272b","status":"publish","type":"post","link":"https:\/\/www.circuitspecialists.com\/blog\/build-an-electric-piano-circuit-on-pbb-272b\/","title":{"rendered":"Build an Electric Piano Circuit on PBB-272B"},"content":{"rendered":"\n<p>Let&#8217;s build an Electric Piano Circuit on the <a href=\"\/pbb-272b\">Powered Breadboard<\/a> PBB-272B, it might sound hard but it&#8217;s actually very simple with the help of a <a href=\"\/555\">555 timer<\/a>. We hope this tutorial on how to Build an Electric Piano Circuit on PBB-272B will make it easier for you to complete. This circuit consists of a number of push-button switches that produce sounds with different tones via a speaker.<\/p>\n\n\n\n<p>The frequency of the output tones can also be fine-tuned by calculating the precise values of resistors to use. The formula for calculating the frequency is included in the explanation section of this tutorial.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2022\/02\/IMG_4646-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2022\/02\/IMG_4646-1024x768.jpg\" alt=\"\" class=\"wp-image-6972\" width=\"587\" height=\"440\" srcset=\"https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2022\/02\/IMG_4646-1024x768.jpg 1024w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2022\/02\/IMG_4646-300x225.jpg 300w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2022\/02\/IMG_4646-768x576.jpg 768w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2022\/02\/IMG_4646-1536x1152.jpg 1536w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2022\/02\/IMG_4646-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 587px) 100vw, 587px\" \/><\/a><figcaption><a href=\"https:\/\/www.circuitspecialists.com\/blog\/model-traffic-lights-on-pbb-272b\/\" target=\"_blank\" rel=\"noreferrer noopener\">Model Traffic Lights on PBB-272B<\/a><\/figcaption><\/figure><\/div>\n\n\n\n<p>We are going to use the <a href=\"https:\/\/www.circuitspecialists.com\/powered-protoboard-system-with-two-led-digital-panel-meters.html\" target=\"_blank\" rel=\"noreferrer noopener\">Power Breadboard PBB-272B<\/a> to help us with this project. The PBB-272B is a very useful tool that any <a href=\"https:\/\/make.co\/\" target=\"_blank\" rel=\"noreferrer noopener\">Makers<\/a>, Circuit Board designer, and college labs should have for prototyping. The PBB-272B provides a 0 to 15V output port tight on top for easy access and a large readout with high-level accuracy for what it is. Furthermore, the unit also provides 0 to -15V for the experiment that requires a stable negative voltage.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"table-of-content\">Table of Content<\/h5>\n\n\n\n<ul class=\"wp-block-list\"><li>Part List<\/li><li>Circuit Diagram<\/li><li>How This Circuit Works<\/li><li>Frequency Caculation<\/li><li>Conclusion<\/li><\/ul>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"part-list\">Part List<\/h5>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2022\/02\/IMG_4695-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2022\/02\/IMG_4695-1024x935.jpg\" alt=\"\" class=\"wp-image-7002\" width=\"664\" height=\"606\" srcset=\"https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2022\/02\/IMG_4695-1024x935.jpg 1024w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2022\/02\/IMG_4695-300x274.jpg 300w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2022\/02\/IMG_4695-768x701.jpg 768w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2022\/02\/IMG_4695-1536x1402.jpg 1536w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2022\/02\/IMG_4695-2048x1869.jpg 2048w\" sizes=\"auto, (max-width: 664px) 100vw, 664px\" \/><\/a><\/figure><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/www.circuitspecialists.com\/555.html\" target=\"_blank\" rel=\"noreferrer noopener\">555 Timer IC<\/a><\/li><li>8 Ohm Speaker<\/li><li><a href=\"https:\/\/www.circuitspecialists.com\/ls-00003-mini-push-button-assortment.html\" target=\"_blank\" rel=\"noreferrer noopener\">Momentary Push Button Switches<\/a><\/li><li><a href=\"https:\/\/www.circuitspecialists.com\/passive-electronic-components-capacitors\" target=\"_blank\" rel=\"noreferrer noopener\">Capacitors<\/a>: 100nF, 10uF<\/li><li><a href=\"https:\/\/www.circuitspecialists.com\/carbon-film-resistors-12\" target=\"_blank\" rel=\"noreferrer noopener\">Resistors<\/a>: 6 x 1Kohm, 4.7Kohm<\/li><li><a href=\"https:\/\/www.circuitspecialists.com\/powered-protoboard-system-with-two-led-digital-panel-meters.html\" target=\"_blank\" rel=\"noreferrer noopener\">Power Breadboard<\/a><\/li><\/ul>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"circuit-diagram\">Circuit Diagram<\/h5>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><a href=\"https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2022\/02\/electronic-piano-circuit-using-555-ic-e1645472245763.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"502\" src=\"https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2022\/02\/electronic-piano-circuit-using-555-ic-e1645472245763-1024x502.png\" alt=\"\" class=\"wp-image-7000\" srcset=\"https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2022\/02\/electronic-piano-circuit-using-555-ic-e1645472245763-1024x502.png 1024w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2022\/02\/electronic-piano-circuit-using-555-ic-e1645472245763-300x147.png 300w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2022\/02\/electronic-piano-circuit-using-555-ic-e1645472245763-768x376.png 768w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2022\/02\/electronic-piano-circuit-using-555-ic-e1645472245763.png 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption><a href=\"https:\/\/www.circuitspecialists.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">Electric Piano Circuit on PBB-272B<\/a><\/figcaption><\/figure><\/div>\n\n\n\n<p><a href=\"https:\/\/elonics.org\/sites\/default\/files\/inline-images\/electronic-piano-circuit-using-555-ic.png\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><\/p>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"how-this-circuit-works\">How This Circuit Works<\/h5>\n\n\n\n<p>Changing the value of the resistor in series with the capacitor changes the flashing rate (frequency). In addition, the relation is of inverse proportionality i.e, if the value of resistance in series to the capacitor is large, the frequency will be less, and vice versa.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2022\/02\/IMG_4708-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2022\/02\/IMG_4708-1024x768.jpg\" alt=\"\" class=\"wp-image-7003\" width=\"797\" height=\"598\" srcset=\"https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2022\/02\/IMG_4708-1024x768.jpg 1024w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2022\/02\/IMG_4708-300x225.jpg 300w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2022\/02\/IMG_4708-768x576.jpg 768w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2022\/02\/IMG_4708-1536x1152.jpg 1536w, https:\/\/www.circuitspecialists.com\/blog\/wp-content\/uploads\/2022\/02\/IMG_4708-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 797px) 100vw, 797px\" \/><\/a><figcaption><a href=\"https:\/\/www.circuitspecialists.com\/powered-protoboard-system-with-two-led-digital-panel-meters.html\" target=\"_blank\" rel=\"noreferrer noopener\">Electric Piano Circuit on PBB-272B<\/a><\/figcaption><\/figure><\/div>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"frequency-caculation\">Frequency Caculation<\/h5>\n\n\n\n<p>Formula for calculating the frequency of the output sound\/tone:<\/p>\n\n\n\n<p>Frequency (f) = 1.44 \/ ( (R1 + 2 * R2) x C1 )<\/p>\n\n\n\n<p>In the circuit we made, the value of R1 is 1Kohm and C1 is 100nF. After replacing these values in the above formula, we have:<\/p>\n\n\n\n<p>Frequency (f) = 1.44 \/ ( (1000 + 2 * R2) x 10-7 )<\/p>\n\n\n\n<p>We can also rearrange the formula to calculate the value of resistor we need to use for any frequency required:<\/p>\n\n\n\n<p>Resistance (R2) = ( ( 1.44 x 107 ) \/ f ) &#8211; 500<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Build an Electric Piano in less than 15 seconds!\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/WzwvPk76blw?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"conclusion\">Conclusion<\/h5>\n\n\n\n<p>Changing the value of the resistor in series with the capacitor changes the flashing rate (frequency). The frequency of the output tones can also be fine-tuned by calculating the precise values of resistors to use. This type of system is well suited for an analog circuit with a 555 timer, it would not be simple if one tries to use a microcontroller since the microcontroller then needs to output a specific frequency depending on which button is pressed, which could be a nightmare for programmers. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Let&#8217;s build an Electric Piano Circuit on the Powered Breadboard PBB-272B, it might sound hard but it&#8217;s actually very simple<\/p>\n","protected":false},"author":10687,"featured_media":7005,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"colormag_page_layout":"default_layout","footnotes":""},"categories":[1,226,27,8,21,287],"tags":[133,168,132,320,143],"class_list":["post-6998","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-all-posts","category-announcements","category-breadboards","category-diy","category-education-kits","category-electronic-kits","tag-diy","tag-how-to","tag-makers","tag-power-breadboard","tag-prototyping"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.8.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Build an Electric Piano Circuit on PBB-272B | Simply Smarter Circuitry Blog<\/title>\n<meta name=\"description\" content=\"Let&#039;s build an Electric Piano Circuit on PBB-272B, it might sound hard but actually very simple with a help of a 555 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