{"product_id":"lcd-display-board-module-1602-2004-12864-pcf8574t-pcf8574-iic-i2c-interface-adapte-plate-5v-blue-yellow-green-screen-for-arduino-1","title":"LCD Display Board Module 1602 2004 12864 PCF8574T PCF8574 IIC\/I2C Interface Adapte Plate 5V Blue\/Yellow Green Screen For Arduino","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNONE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDisplay Mode\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e1602\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eModel Number\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLCD Display\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eResolution\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e16*2\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eCharacter\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Se287536228ba4618a4878e792cef0405z.png\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cp style=\"color:rgb(0, 0, 0)\"\u003e1602A Blue\/ Yellow-Green\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cp\u003e1602 the standard 16 feet interface, among them:\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cp\u003e1 foot: for to power VSS\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cp\u003e2 feet: VDD take 5 V is power\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cp\u003e3 feet: V0 for LCD contrast the adjustment, and then when the power is the weakest contrast, grounding the power supply highest contrast, high contrast can produce the \"ghost\", when used, can pass a 10 K adjust potentiometer contrast\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cp\u003e4 feet: RS for registers choice, high electric usually choose data registers, low electric usually choose instruction register.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cp\u003e5 feet: R\/W signal lines for reading and writing, high electric usually are read operation, low electricity at ordinary times for write operation. When the RS and RW together for low electricity can be written instructions at ordinary times, or displays address, when RS for low level for high electricity can usually RW read busy signals, when RS for high level for the low electricity can usually RW write data.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cp\u003e6 feet: E end to make can end, when E is driven by high level jump into low electricity at ordinary times, LCD module executive order.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cp\u003e7 to 14 feet: D0 ~ D7 for eight two-way data cables.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cp\u003e15 feet: backlighting power positive\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cp\u003e16 feet: backlighting power negative\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cp\u003e1602 LCD module of the internal character happen memory (CGROM) has already been stored 160 different dot matrix characters graphics, as is shown in table 1, these characters have: Arabic numerals, English letters of the case, the commonly used symbols, such as Japanese and under A false name, every character has A fixed code, such as capital letter English the letter \"A\" code is 01000001 B (41 H), shows the address of the 41 modules H dot matrix characters graphic display out, and we can see the letter \"A\".\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cp\u003eThe following is the second line LCD module in the position of the first character that the letter \"A\" program: ORG 0000 H\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cp\u003eRS EQU P3.7; Determining the specific hardware connection\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cp\u003eRW EQU P3.6; Determining the specific hardware connection\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cp\u003eE EQU P3.5; Determining the specific hardware connection\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cp\u003eMOV P1, # 00000001 B; Screen clearing and cursor reset\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cp\u003eACALL ENABLE; Call to order a subroutine\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cp\u003eMOV P1, # 00111000 B; Set the display mode: eight 2 line 5 x7 dot matrix\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cp\u003eACALL ENABLE; Call to order a subroutine\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cp\u003eMOV P1, # 00001111 B; The display of open and cursor away, and the cursor allows flash\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cp\u003eACALL ENABLE; Call to order a subroutine\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cp\u003eMOV P1, # 00000110 B; Words don\\'t move, the cursor to move to the right\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cp\u003eACALL ENABLE; Call to order a subroutine\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cp\u003eMOV P1, # 0 C0H; Write show starting address (the second line the first position)\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cp\u003eACALL ENABLE; Call to order a subroutine\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cp\u003eMOV P1, # 01000001 B; Letters A code\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cp\u003eSETB RS; RS = 1\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cp\u003eCLR RW; RW = 0; Ready to write data\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cp\u003eCLR E; E = 0; Executive show command\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_image\"\u003e\n\u003cimg class=\"detail-desc-decorate-image\" src=\"http:\/\/ae-pic-a1.aliexpress-media.com\/kf\/HTB16j41d2WG3KVjSZFPq6xaiXXa4.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"http:\/\/ae-pic-a1.aliexpress-media.com\/kf\/HTB1Ca5taMFY.1VjSZFnq6AFHXXaK.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"http:\/\/ae-pic-a1.aliexpress-media.com\/kf\/HTB1Lap8d8Kw3KVjSZFOq6yrDVXaB.jpg\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_image\"\u003e\n\u003cimg class=\"detail-desc-decorate-image\" src=\"http:\/\/ae-pic-a1.aliexpress-media.com\/kf\/HTB1bDJ3d.uF3KVjSZK9q6zVtXXaC.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"http:\/\/ae-pic-a1.aliexpress-media.com\/kf\/HTB1OGh1d3aH3KVjSZFjq6AFWpXaF.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"http:\/\/ae-pic-a1.aliexpress-media.com\/kf\/HTB1TVB5d8aE3KVjSZLeq6xsSFXa6.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"http:\/\/ae-pic-a1.aliexpress-media.com\/kf\/HTB1Se02d8WD3KVjSZFsq6AqkpXaN.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"http:\/\/ae-pic-a1.aliexpress-media.com\/kf\/HTB1zDl_d8Cw3KVjSZFuq6AAOpXa1.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"http:\/\/ae-pic-a1.aliexpress-media.com\/kf\/HTB12mX_dW1s3KVjSZFAq6x_ZXXaX.jpg\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_image\"\u003e\n\u003cimg class=\"detail-desc-decorate-image\" src=\"http:\/\/ae-pic-a1.aliexpress-media.com\/kf\/HTB1kPd1d.GF3KVjSZFoq6zmpFXax.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"http:\/\/ae-pic-a1.aliexpress-media.com\/kf\/HTB1qW41d4iH3KVjSZPfq6xBiVXaU.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"http:\/\/ae-pic-a1.aliexpress-media.com\/kf\/HTB13zh1d.WF3KVjSZPhq6xclXXas.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"http:\/\/ae-pic-a1.aliexpress-media.com\/kf\/HTB1qqN3d8OD3KVjSZFFq6An9pXaH.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"http:\/\/ae-pic-a1.aliexpress-media.com\/kf\/HTB1ES9QRpXXXXcdapXXq6xXFXXXo.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"http:\/\/ae-pic-a1.aliexpress-media.com\/kf\/HTB1tdKYRpXXXXbraXXXq6xXFXXXZ.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"http:\/\/ae-pic-a1.aliexpress-media.com\/kf\/HTB1Fj2lRpXXXXbsXpXXq6xXFXXX8.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"http:\/\/ae-pic-a1.aliexpress-media.com\/kf\/HTB153GRRpXXXXauapXXq6xXFXXXJ.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"http:\/\/ae-pic-a1.aliexpress-media.com\/kf\/HTB1NeHbRpXXXXcqXFXXq6xXFXXXO.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"http:\/\/ae-pic-a1.aliexpress-media.com\/kf\/HTB1zKp1d25G3KVjSZPxq6zI3XXas.jpg\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_image\"\u003e\n\u003cimg class=\"detail-desc-decorate-image\" src=\"http:\/\/ae-pic-a1.aliexpress-media.com\/kf\/HTB1YLB2d8WD3KVjSZFsq6AqkpXaM.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"http:\/\/ae-pic-a1.aliexpress-media.com\/kf\/HTB1C.4_dW5s3KVjSZFNq6AD3FXak.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"http:\/\/ae-pic-a1.aliexpress-media.com\/kf\/HTB1WTF0d21H3KVjSZFBq6zSMXXa3.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"http:\/\/ae-pic-a1.aliexpress-media.com\/kf\/HTB1z1N8d8Cw3KVjSZFlq6AJkFXak.jpg\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_image\"\u003e\n\u003cimg class=\"detail-desc-decorate-image\" src=\"http:\/\/ae-pic-a1.aliexpress-media.com\/kf\/H690913ab2d524f89aa218ee8511192bbn.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"http:\/\/ae-pic-a1.aliexpress-media.com\/kf\/H29eddaa4e72a4b4da4efc33e0b700a2aq.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"http:\/\/ae-pic-a1.aliexpress-media.com\/kf\/HTB1F08Sd8USMeJjy1zjq6A0dXXad.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"http:\/\/ae-pic-a1.aliexpress-media.com\/kf\/HTB1N054gEUIL1JjSZFrq6z3xFXaz.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"http:\/\/ae-pic-a1.aliexpress-media.com\/kf\/HTB1EPAqXPuhSKJjSspjq6Ai8VXaB.jpg\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"http:\/\/ae-pic-a1.aliexpress-media.com\/kf\/HTB1wZJHf.l7MKJjSZFDq6yOEpXag.jpg\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Yoeruyo","offers":[{"title":"2004 Blue","offer_id":55420508963115,"sku":"14:201659810#2004 Blue","price":21.02,"currency_code":"USD","in_stock":true},{"title":"1602 I2C Blue","offer_id":55420508995883,"sku":"14:175#1602 I2C Blue","price":14.49,"currency_code":"USD","in_stock":true},{"title":"1602 Green","offer_id":55420509028651,"sku":"14:173#1602 Green","price":10.26,"currency_code":"USD","in_stock":true},{"title":"2004 I2C Green","offer_id":55420509061419,"sku":"14:496#2004 I2C Green","price":25.61,"currency_code":"USD","in_stock":true},{"title":"1602 I2C 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