I / O expansion board LCDKeypad Shield
LCD Keypad shields input/output extended use 2 lines 16 characters LCD panel, with contrast adjustment and backlight, use a simulated input of mouth, completing five buttons, a reset button, the unused IO mouth extend out spare, make full use of I/o port. Take up the digital port: PIN4 (db3), 5 (DB5), 6 (DB6), 7 (DB7), 8 (RS), 9 (E), 10 (backlight control), A0 simulate keystrokes port. (LCD color is not specified, random delivery.)
Used with Roboduino:
Module debugging:
Will LCD Keypad shields inserted to the controller, then need to download the LCD4Bit_mod. H (right click save as) library files to the - 0015 \ \ hardware \ \ in the libraries, and then compile the following a test program to download to the , first use the LCD Keypad shields, did observe LCD display character first, if there is no contrast shows characters that may be incorrect, you can use a word screwdriver adjustment RP1 (clockwise), characters can be transferred to appear clearly.
The test renderings:
GP2D12Ranging code:
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