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1pcs LCD Keypad Shield LCD1602 LCD 1602 Module Display For Arduino ATMEGA328 ATMEGA2560 raspberry pi UNO blue screen1pcs LCD Keypad Shield LCD1602 LCD 1602 Module Display For Arduino ATMEGA328 ATMEGA2560 raspberry pi UNO blue screen1pcs LCD Keypad Shield LCD1602 LCD 1602 Module Display For Arduino ATMEGA328 ATMEGA2560 raspberry pi UNO blue screen1pcs LCD Keypad Shield LCD1602 LCD 1602 Module Display For Arduino ATMEGA328 ATMEGA2560 raspberry pi UNO blue screen

1pcs LCD Keypad Shield LCD1602 LCD 1602 Module Display For Arduino ATMEGA328 ATMEGA2560 raspberry pi UNO blue screen

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List price:
US $2.18
Price:
US $2.18

Product Description

Free Shipping LCD Keypad Shield LCD1602 LCD 1602 Module Display For Arduino ATMEGA328 ATMhe debugging of the module:

LCD Keypad Shield, inserted received controller, and then need to download the LCD4Bit_mod.h(Save as), and then compile the following test procedures and then downloaded to the initial LCD Keypad Shield, the first observation of the LCD does not show character, if there is no display character is incorrect contrast, you can use a flathead screwdriver to adjust RP1 (clockwise rotation), transferred to clear character can. Professional anti-static packaging Test renderings: The GP2D12 ranging code: # Include <LCD4Bit_mod.h> LCD4Bit_mod lcd = LCD4Bit_mod (2); the char GP2D12; char a, b; a char of str1 [] = “Renge:”; char str2, [] = “Renge Over”; char str3 [] = “cm”; void setup () { lcd.init () the; lcd.clear (); lcd.printIn (GP2D12 testing … “); } void loop () { GP2D12 = read_gp2d12_range (1); if (GP2D12> 80 | | GP2D12 <10) { lcd.cursorTo (2,0); lcd.printIn (str2); } else { a = 0x30 + GP2D12/10 ; b = 0x30 + GP2D12% 10; lcd.cursorTo (2, 3); lcd.printIn (str1); lcd.print (a); lcd.print (b); lcd.printIn (str3); } delay (50 ); } a float read_gp2d12_range (byte pin) { int tmp; tmp = analogRead The (pin); if (tmp <3) return -1; the return (6787.0 / ((float) tmp – 3.0)) – 4.0;

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