{"id":1577,"date":"2021-09-07T16:18:19","date_gmt":"2021-09-07T16:18:19","guid":{"rendered":"https:\/\/mc.scsiraidguru.com\/?page_id=1577"},"modified":"2024-03-06T16:27:53","modified_gmt":"2024-03-06T16:27:53","slug":"7-segment-display-msbfirst","status":"publish","type":"page","link":"https:\/\/mc.scsiraidguru.com\/index.php\/raspberry-pi\/shift-registers\/sn74hc595_pi\/7-segment-display-msbfirst\/","title":{"rendered":"7 Segment Display MSBFirst"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"1577\" class=\"elementor elementor-1577\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-fd7d715 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fd7d715\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5ad3596\" data-id=\"5ad3596\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-30e6b6d elementor-widget elementor-widget-text-editor\" data-id=\"30e6b6d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<pre>import RPi.GPIO as GPIO\nimport time\n\nLSBFIRST = 1\nMSBFIRST = 2\n\ndataPin   = 11    #DS Pin of 74HC595(Pin14)\nlatchPin  = 13    #ST_CP Pin of 74HC595(Pin12)\nclockPin = 15    #CH_CP Pin of 74HC595(Pin11)\n\ndef setup():\n  GPIO.setwarnings(False)\n  GPIO.setmode(GPIO.BOARD)\n  GPIO.setup(dataPin, GPIO.OUT)\n  GPIO.setup(latchPin, GPIO.OUT)\n  GPIO.setup(clockPin, GPIO.OUT)\n  \ndef shiftOut(dPin,cPin,order,val):\n  for i in range(0,8):\n    GPIO.output(cPin,GPIO.LOW);\n    if(order == LSBFIRST):\n      GPIO.output(dPin,(0x01&amp;(val&gt;&gt;i)==0x01) and GPIO.HIGH or GPIO.LOW)\n    elif(order == MSBFIRST):\n      GPIO.output(dPin,(0x80&amp;(val&lt;&lt;i)==0x80) and GPIO.HIGH or GPIO.LOW)\n    GPIO.output(cPin,GPIO.HIGH);  \n\t\ndef loop():\n  while True:\n\n    # number 0x3f is 0\n    GPIO.output(latchPin,GPIO.LOW)\n    shiftOut(dataPin,clockPin,MSBFIRST,0x3f)\n    GPIO.output(latchPin,GPIO.HIGH)\n    time.sleep(2)\n         \n    # blank \n    GPIO.output(latchPin,GPIO.LOW)\n    shiftOut(dataPin,clockPin,MSBFIRST,0x00)\n    GPIO.output(latchPin,GPIO.HIGH)\n    time.sleep(0.1)\n    \n    # number 0x06 is number 1\n    GPIO.output(latchPin,GPIO.LOW)\n    shiftOut(dataPin,clockPin,MSBFIRST,0x06)\n    GPIO.output(latchPin,GPIO.HIGH)\n    time.sleep(2)\n         \n    # blank \n    GPIO.output(latchPin,GPIO.LOW)\n    shiftOut(dataPin,clockPin,MSBFIRST,0x00)\n    GPIO.output(latchPin,GPIO.HIGH)\n    time.sleep(0.1)\n    \n    # number 0x5b is number 2\n    GPIO.output(latchPin,GPIO.LOW)\n    shiftOut(dataPin,clockPin,MSBFIRST,0x5b)\n    GPIO.output(latchPin,GPIO.HIGH)\n    time.sleep(2)\n         \n    # blank \n    GPIO.output(latchPin,GPIO.LOW)\n    shiftOut(dataPin,clockPin,MSBFIRST,0x00)\n    GPIO.output(latchPin,GPIO.HIGH)\n    time.sleep(0.1)\n            \n    # number 0x4f is number 3\n    GPIO.output(latchPin,GPIO.LOW)\n    shiftOut(dataPin,clockPin,MSBFIRST,0x4f)\n    GPIO.output(latchPin,GPIO.HIGH)\n    time.sleep(2)\n         \n    # blank \n    GPIO.output(latchPin,GPIO.LOW)\n    shiftOut(dataPin,clockPin,MSBFIRST,0x00)\n    GPIO.output(latchPin,GPIO.HIGH)\n    time.sleep(0.1)\n    \n    # number 0x66 is number 4\n    GPIO.output(latchPin,GPIO.LOW)\n    shiftOut(dataPin,clockPin,MSBFIRST,0x66)\n    GPIO.output(latchPin,GPIO.HIGH)\n    time.sleep(2)\n         \n    # blank \n    GPIO.output(latchPin,GPIO.LOW)\n    shiftOut(dataPin,clockPin,MSBFIRST,0x00)\n    GPIO.output(latchPin,GPIO.HIGH)\n    time.sleep(0.1)\n        \n    # number 5 is 0xed \n    GPIO.output(latchPin,GPIO.LOW)\n    shiftOut(dataPin,clockPin,MSBFIRST,0xed)\n    GPIO.output(latchPin,GPIO.HIGH)\n    time.sleep(2)\n    \n    # blank \n    GPIO.output(latchPin,GPIO.LOW)\n    shiftOut(dataPin,clockPin,MSBFIRST,0x00)\n    GPIO.output(latchPin,GPIO.HIGH)\n    time.sleep(0.1)\n    \n    # number 6 is 0xfc\n    GPIO.output(latchPin,GPIO.LOW)\n    shiftOut(dataPin,clockPin,MSBFIRST,0xfc)\n    GPIO.output(latchPin,GPIO.HIGH)\n    time.sleep(2)\n    \n    # blank \n    GPIO.output(latchPin,GPIO.LOW)\n    shiftOut(dataPin,clockPin,MSBFIRST,0x00)\n    GPIO.output(latchPin,GPIO.HIGH)\n    time.sleep(0.1)\n    \n    # number 0x07 is number 7\n    GPIO.output(latchPin,GPIO.LOW)\n    shiftOut(dataPin,clockPin,MSBFIRST,0x07)\n    GPIO.output(latchPin,GPIO.HIGH)\n    time.sleep(2)\n         \n    # blank \n    GPIO.output(latchPin,GPIO.LOW)\n    shiftOut(dataPin,clockPin,MSBFIRST,0x00)\n    GPIO.output(latchPin,GPIO.HIGH)\n    time.sleep(0.1)\n    \n    # number 0x7F is number 8\n    GPIO.output(latchPin,GPIO.LOW)\n    shiftOut(dataPin,clockPin,MSBFIRST,0x7F)\n    GPIO.output(latchPin,GPIO.HIGH)\n    time.sleep(2)\n         \n    # blank \n    GPIO.output(latchPin,GPIO.LOW)\n    shiftOut(dataPin,clockPin,MSBFIRST,0x00)\n    GPIO.output(latchPin,GPIO.HIGH)\n    time.sleep(0.1)\n    \n        \n    # number 0x67 is number 9\n    GPIO.output(latchPin,GPIO.LOW)\n    shiftOut(dataPin,clockPin,MSBFIRST,0x67)\n    GPIO.output(latchPin,GPIO.HIGH)\n    time.sleep(2)\n         \n    # blank \n    GPIO.output(latchPin,GPIO.LOW)\n    shiftOut(dataPin,clockPin,MSBFIRST,0x00)\n    GPIO.output(latchPin,GPIO.HIGH)\n    time.sleep(0.1)\n    \n    # number 0x77 is number 10 or A\n    GPIO.output(latchPin,GPIO.LOW)\n    shiftOut(dataPin,clockPin,MSBFIRST,0x77)\n    GPIO.output(latchPin,GPIO.HIGH)\n    time.sleep(2)\n         \n    # blank \n    GPIO.output(latchPin,GPIO.LOW)\n    shiftOut(dataPin,clockPin,MSBFIRST,0x00)\n    GPIO.output(latchPin,GPIO.HIGH)\n    time.sleep(0.1)\n    \n    # number 0x7C is number 11 or b\n    GPIO.output(latchPin,GPIO.LOW)\n    shiftOut(dataPin,clockPin,MSBFIRST,0x7C)\n    GPIO.output(latchPin,GPIO.HIGH)\n    time.sleep(2)\n         \n    # blank \n    GPIO.output(latchPin,GPIO.LOW)\n    shiftOut(dataPin,clockPin,MSBFIRST,0x00)\n    GPIO.output(latchPin,GPIO.HIGH)\n    time.sleep(0.1)\n    \n    \n    # number 0x58 is 12 or c\n    GPIO.output(latchPin,GPIO.LOW)\n    shiftOut(dataPin,clockPin,MSBFIRST,0x58)\n    GPIO.output(latchPin,GPIO.HIGH)\n    time.sleep(2)\n         \n    # blank \n    GPIO.output(latchPin,GPIO.LOW)\n    shiftOut(dataPin,clockPin,MSBFIRST,0x00)\n    GPIO.output(latchPin,GPIO.HIGH)\n    time.sleep(0.1)\n    \n    # number 0x5E is 13 or d\n    GPIO.output(latchPin,GPIO.LOW)\n    shiftOut(dataPin,clockPin,MSBFIRST,0x5E)\n    GPIO.output(latchPin,GPIO.HIGH)\n    time.sleep(2)  \n         \n    # blank \n    GPIO.output(latchPin,GPIO.LOW)\n    shiftOut(dataPin,clockPin,MSBFIRST,0x00)\n    GPIO.output(latchPin,GPIO.HIGH)\n    time.sleep(0.1)\n    \n    # number 0x79 is 14 or e\n    GPIO.output(latchPin,GPIO.LOW)\n    shiftOut(dataPin,clockPin,MSBFIRST,0x79)\n    GPIO.output(latchPin,GPIO.HIGH)\n    time.sleep(2)  \n         \n    # blank \n    GPIO.output(latchPin,GPIO.LOW)\n    shiftOut(dataPin,clockPin,MSBFIRST,0x00)\n    GPIO.output(latchPin,GPIO.HIGH)\n    time.sleep(0.1)     \n     \n      # number 0x71 is 15 or f\n    GPIO.output(latchPin,GPIO.LOW)\n    shiftOut(dataPin,clockPin,MSBFIRST,0x71)\n    GPIO.output(latchPin,GPIO.HIGH)\n    time.sleep(2)  \n         \n    # blank \n    GPIO.output(latchPin,GPIO.LOW)\n    shiftOut(dataPin,clockPin,MSBFIRST,0x00)\n    GPIO.output(latchPin,GPIO.HIGH)\n    time.sleep(0.1)    \n     \n     \n     \ndef destroy(): \n  GPIO.cleanup()\n\nif __name__ == '__main__':\n  print ('Program is starting...' )\n  setup() \n  try:\n    loop()  \n  except KeyboardInterrupt:  \n    destroy()   \n\t<\/pre>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e3308af elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e3308af\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4356334\" data-id=\"4356334\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-76e2bce elementor-widget elementor-widget-text-editor\" data-id=\"76e2bce\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: center;\"><a href=\"https:\/\/mc.scsiraidguru.com\/raspberry_pi\/shift_registers_pi\/SN74HC595_pi\/7Segment_MSBFirst\/\/7Segment_MSBFirst.py\">7Segment_MSBFirst.py<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a9527af elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a9527af\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-eaa4a33\" data-id=\"eaa4a33\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c243bd1 elementor-widget elementor-widget-image\" data-id=\"c243bd1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/mlbxg5wzacc0.i.optimole.com\/cb:FyJ0.12d22\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/mc.scsiraidguru.com\/wp-content\/uploads\/2021\/09\/5611AH_Pinout.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"5611AH_Pinout\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTU4NSwidXJsIjoiaHR0cHM6XC9cL21jLnNjc2lyYWlkZ3VydS5jb21cL3dwLWNvbnRlbnRcL3VwbG9hZHNcLzIwMjFcLzA5XC81NjExQUhfUGlub3V0LmpwZyJ9\">\n\t\t\t\t\t\t\t<img data-opt-id=983821350  fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"259\" src=\"https:\/\/mlbxg5wzacc0.i.optimole.com\/cb:FyJ0.12d22\/w:300\/h:259\/q:mauto\/f:best\/https:\/\/mc.scsiraidguru.com\/wp-content\/uploads\/2021\/09\/5611AH_Pinout.jpg\" class=\"attachment-medium size-medium wp-image-1585\" alt=\"\" srcset=\"https:\/\/mlbxg5wzacc0.i.optimole.com\/cb:FyJ0.12d22\/w:586\/h:506\/q:mauto\/f:best\/https:\/\/mc.scsiraidguru.com\/wp-content\/uploads\/2021\/09\/5611AH_Pinout.jpg 586w, https:\/\/mlbxg5wzacc0.i.optimole.com\/cb:FyJ0.12d22\/w:300\/h:259\/q:mauto\/f:best\/https:\/\/mc.scsiraidguru.com\/wp-content\/uploads\/2021\/09\/5611AH_Pinout.jpg 300w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-39fdda0 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"39fdda0\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8899dcf\" data-id=\"8899dcf\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-509be01 elementor-widget elementor-widget-text-editor\" data-id=\"509be01\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Logic Table for MSBFirst.\u00a0 Most Significant Bit is H or DP.\u00a0 It would be the last bit and you do them in reverse order like the table.<\/p><p>H-E is the First Bit<br \/>D-A is the Second Bit<\/p><p>First Bit = 8*H + 4*G + 2*F + 1*E<br \/>Second Bit= 8*D + 4*C + 2*B + 1*A<\/p><p>It is done in Hex:\u00a0 0-9 are just 0-9.\u00a0\u00a0 10 is A, 11 is B, 12 is C, 13 is D, 14 is E, 15 is F.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-382310b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"382310b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-48661c9\" data-id=\"48661c9\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-31e9283 elementor-widget elementor-widget-image\" data-id=\"31e9283\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/mlbxg5wzacc0.i.optimole.com\/cb:FyJ0.12d22\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/mc.scsiraidguru.com\/wp-content\/uploads\/2021\/09\/msbfirst.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"msbfirst\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTYwOCwidXJsIjoiaHR0cHM6XC9cL21jLnNjc2lyYWlkZ3VydS5jb21cL3dwLWNvbnRlbnRcL3VwbG9hZHNcLzIwMjFcLzA5XC9tc2JmaXJzdC5qcGcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img data-opt-id=167191882  fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"160\" src=\"https:\/\/mlbxg5wzacc0.i.optimole.com\/cb:FyJ0.12d22\/w:300\/h:160\/q:mauto\/f:best\/https:\/\/mc.scsiraidguru.com\/wp-content\/uploads\/2021\/09\/msbfirst.jpg\" class=\"attachment-medium size-medium wp-image-1608\" alt=\"\" srcset=\"https:\/\/mlbxg5wzacc0.i.optimole.com\/cb:FyJ0.12d22\/w:641\/h:341\/q:mauto\/f:best\/https:\/\/mc.scsiraidguru.com\/wp-content\/uploads\/2021\/09\/msbfirst.jpg 641w, https:\/\/mlbxg5wzacc0.i.optimole.com\/cb:FyJ0.12d22\/w:300\/h:160\/q:mauto\/f:best\/https:\/\/mc.scsiraidguru.com\/wp-content\/uploads\/2021\/09\/msbfirst.jpg 300w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>import RPi.GPIO as GPIO import time LSBFIRST = 1 MSBFIRST = 2 dataPin = 11 #DS Pin of 74HC595(Pin14) latchPin = 13 #ST_CP Pin of 74HC595(Pin12) clockPin = 15 #CH_CP Pin of 74HC595(Pin11) def setup(): GPIO.setwarnings(False) GPIO.setmode(GPIO.BOARD) GPIO.setup(dataPin, GPIO.OUT) GPIO.setup(latchPin, GPIO.OUT) GPIO.setup(clockPin, GPIO.OUT) def shiftOut(dPin,cPin,order,val): for i in range(0,8): GPIO.output(cPin,GPIO.LOW); if(order == LSBFIRST): GPIO.output(dPin,(0x01&amp;(val&gt;&gt;i)==0x01) and [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":1570,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"0","ocean_second_sidebar":"0","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"custom","ocean_center_header_left_menu":"0","ocean_custom_header_template":"7164","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"0","ocean_menu_typo_font_family":"0","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"0","osh_disable_topbar_sticky":"default","osh_disable_header_sticky":"default","osh_sticky_header_style":"default","osh_sticky_header_effect":"","osh_custom_sticky_logo":0,"osh_custom_retina_sticky_logo":0,"osh_custom_sticky_logo_height":0,"osh_background_color":"","osh_links_color":"","osh_links_hover_color":"","osh_links_active_color":"","osh_links_bg_color":"","osh_links_hover_bg_color":"","osh_links_active_bg_color":"","osh_menu_social_links_color":"","osh_menu_social_hover_links_color":"","footnotes":""},"class_list":["post-1577","page","type-page","status-publish","hentry","entry"],"yoast_head":"<!-- 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shiftOut(dPin,cPin,order,val): for i in range(0,8): GPIO.output(cPin,GPIO.LOW); if(order == LSBFIRST): GPIO.output(dPin,(0x01&amp;(val&gt;&gt;i)==0x01) and [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mc.scsiraidguru.com\/index.php\/raspberry-pi\/shift-registers\/sn74hc595_pi\/7-segment-display-msbfirst\/\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-06T16:27:53+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/mlbxg5wzacc0.i.optimole.com\/cb:FyJ0.12d22\/w:300\/h:259\/q:mauto\/f:best\/https:\/\/mc.scsiraidguru.com\/wp-content\/uploads\/2021\/09\/5611AH_Pinout.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\" 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