![\"\"](\"http:\/\/embedded-lab.com\/blog\/wp-content\/uploads\/2012\/04\/Finished1.jpg\" "\\"Finished1\\"")
<\/a>4-digit serial seven segment LED display<\/p><\/div>\n
Features:<\/strong><\/p>\n Here’s an example<\/a><\/strong> that shows how to interface this display module with PIC microcontrollers.<\/p>\n Assembling the board<\/strong><\/p>\n Serial 7-segment LED display kit<\/p><\/div>\n The following pictures describes the assembling procedure.<\/p>\n Step 1: Hold the PCB with soldering helping hands<\/p><\/div>\n Step 2: Next solder low profile components such as the capacitor, diode and resistor, as shown above<\/p><\/div>\n Step 3: Next solder the MAX7219 chip<\/p><\/div>\n Step 4: Place the LED display on the top of MAX7219 and solder its pins<\/p><\/div>\n Step 5: Finally, solder the connecting header pins<\/p><\/div>\n Revision 1 (12\/15\/2012)<\/strong><\/p>\n<\/div>\n The PCB has slightly been revised recently. Everything remains the same except there are two header connectors available now. One for interfacing the display with a microcontroller and other for cascading multiple displays. New PCB is shown below.<\/p>\n Revised PCB (Rev. 1)<\/p><\/div>\n Revision 2 (2\/20\/2013)<\/strong><\/span><\/p>\n This has been revised second time and the new board will have following features:<\/p>\n Rev. 2: Four digit SPI seven segment LED display<\/p><\/div>\n Price:<\/strong>\u00a0$11.50 for kit, and $14.50 for assembled board.\u00a0The payment will be through Paypal.\u00a0If you want the kit or the assembled board, email me first at\u00a0admin (at) embedded-lab.com<\/strong>, and I will send you my Paypal information. Or you can also buy it directly on\u00a0Tindie<\/a><\/strong>.<\/p>\n","protected":false},"excerpt":{"rendered":" This serial LED display module allows you to interface a 4-digit 7-segment LED display with only three I\/O pins of a microcontroller, and gives you full control of all digits and decimal points. Features: based on MAX7219 display driver SPI interface (3 pins) operates at +5V supply individual control of all digits and decimal points display brightness control through software dimensions 1.95″ x 1.4″ (50mm x 36mm) 0.56″ LED display Here’s an example that shows how to interface this display module with PIC microcontrollers. Assembling the board The kit consists of: printed circuit board (1) MAX7219 (1) 0.56″ four-digit seven<\/p>\n","protected":false},"author":1,"featured_media":5071,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"open","template":"","meta":{"footnotes":""},"class_list":["post-5069","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/pages\/5069","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/comments?post=5069"}],"version-history":[{"count":22,"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/pages\/5069\/revisions"}],"predecessor-version":[{"id":7996,"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/pages\/5069\/revisions\/7996"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/media\/5071"}],"wp:attachment":[{"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/media?parent=5069"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}\n
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