Handson Technology DSP-1182 I2C Serial Interface 1602 LCD Module Guide
Ena ke I2C interface 16 × 2 LCD module display, high quality 2 line 16 character LCD module le on-board control control adjustment, backlight le I2C puisano ea puisano. Bakeng sa ba qalang ba Arduino, ha ho sa na khokahano ea potoloho e thata le e rarahaneng ea LCD. Bohlokoa ba sebele advantagEs ea mojule ona oa I2C Serial LCD e tla nolofatsa khokahano ea potoloho, e boloke lithakhisa tse ling tsa I/O ho boto ea Arduino, nts'etsopele ea firmware e nolofalitsoeng e nang le laeborari ea Arduino e fumanehang hohle.
SKU: DSP-1182
Lintlha tse Khutšoanyane:
- E lumellana le Boto ea Arduino kapa boto e 'ngoe ea taolo e nang le bese ea I2C.
- Mofuta oa Pontšo: Negative white on Blue backlight.
- I2C Address:0x38-0x3F (0x3F default)
- Phepelo voltage: 5v
- Interface: I2C ho 4bits LCD data le mela ea taolo.
- Phetoho ea Phapang: Potentiometer e hahiloeng.
- Taolo ea Backlight: Firmware kapa jumper terata.
- Boto ea Boto: 80 × 36 limilimithara.
Ho Lokisa:
LCD ea Hitachi's HD44780 e thehiloe ka theko e tlase ebile e fumaneha hohle, 'me ke karolo ea bohlokoa bakeng sa projeke efe kapa efe e bonts'ang tlhahisoleseling. U sebelisa LCD piggy-back board, data e lakatsehang e ka hlahisoa ho LCD ka bese ea I2C. Ha e le hantle, mekotla e joalo e hahiloe ho pota PCF8574 (ho tloha NXP) e leng sepheo se akaretsang sa bidirectional 8 bit I/O port expander e sebelisang protocol ea I2C. PCF8574 ke potoloho ea silicon CMOS e fanang ka sepheo se akaretsang sa katoloso ea I/O (e leng 8-bit quasi-bidirectional) bakeng sa malapa a mangata a li-microcontroller ka bese ea mela e 'meli (I2C-bese). Hlokomela hore boholo ba li-module tsa piggy-back li thehiloe ho PCF8574T (sephutheloana sa SO16 sa PCF8574 ka har'a sephutheloana sa DIP16) ka aterese ea lekhoba ea kamehla ea 0x27. Haeba boto ea hau ea piggy-back e tšoere chip ea PCF8574AT, aterese ea kamehla ea lekhoba e tla fetoha 0x3F. Ka bokhutšoanyane, haeba boto ea li-piggy-back e thehiloe ho PCF8574T mme likhokahano tsa aterese (A0-A1-A2) li sa kengoa ka solder e tla ba le aterese ea lekhoba 0x27.
Litsela tsa khetho ea aterese ho I2C-to-LCD piggy-back board.
Tlhophiso ea Aterese ea PCD8574A (e ntšitsoeng ho lintlha tsa data tsa PCF8574A).
Tlhokomeliso: Ha pad A0~A2 e butsoe, phini e huleloa ho VDD. Ha pinana e khutsufatsoa, e theoleloa ho VSS.
Litlhophiso tsa kamehla tsa mojule ona ke A0 ~ A2 kaofela li bulehile, kahoo ke ho hula ho VDD. Aterese ke 3Fh tabeng ena.
Setšoantšo sa potoloho ea li-backpack tsa LCD tse lumellanang le Arduino se bontšitsoe ka tlase. Se latelang se latelang ke tlhaiso-leseling ea mokhoa oa ho sebelisa e 'ngoe ea mekotla ena e theko e tlase ho hokahana le microcontroller ka mekhoa e neng e reretsoe hantle.
Setšoantšo sa potoloho ea litšupiso tsa I2C-to-LCD piggy-back board.
Pontšo ea LCD ea I2C.
Qalong u lokela ho solder I2C-to-LCD piggy-back board ho 16-pins LCD module. Netefatsa hore lithakhisa tsa I2C-to-LCD piggy-back board li otlolohile 'me li kene ka har'a mojulung oa LCD, ebe li rekisoa pineng ea pele ha u ntse u boloka I2C-to-LCD piggy-back board ka sefofaneng se le seng le LCD module. Hang ha u qetile mosebetsi oa ho kopanya, fumana lithapo tse 'nè tsa jumper' me u kopanye module ea LCD ho Arduino ea hau ho latela taelo e fanoeng ka tlase.
Pontšo ea LCD ho wiring ea Arduino.
Setupo sa Arduino
Bakeng sa teko ena ho hlokahala ho khoasolla le ho kenya laeborari ea "Arduino I2C LCD". Pele ho tsohle, reha bocha foldara e teng ea "LiquidCrystal" ea laebrari ho foldara ea hau ea lilaeborari tsa Arduino e le bekapo, 'me u tsoelepele ts'ebetsong eohle.
https://bitbucket.org/fmalpartida/new-liquidcrystal/downloads
Ka mor'a moo, kopitsa-ho beha mohlala onaample sketch Listing-1 bakeng sa teko fensetereng ea khoutu e se nang letho, netefatsa, ebe u kenya. Lethathamo la Arduino Sketch-1:
Haeba u na le bonnete ba 100% hore ntho e 'ngoe le e' ngoe e lokile, empa u sa bone litlhaku tse hlahang skrineng, leka ho lokisa pitsa ea ho laola phapang ea mokotla ebe u e beha moo litlhaku li khanyang 'me bokamorao bo se na litšila. mabokose ka morao ho baphetwa. E latelang ke karolo e itseng view ea teko ea mongoli ka khoutu e hlalositsoeng ka holimo e nang le module ea 20 × 4. Kaha pontšo e sebelisoang ke mongoli ke mofuta o hlakileng haholo oa "black on yellow", ho thata haholo ho fumana tšoasa e ntle ka lebaka la liphello tsa polarization.
Sekeche sena se tla bonts'a le litlhaku tse rometsoeng ho tsoa ho serial Monitor:
Ho Arduino IDE, ea ho "Tools"> "Serial Monitor". Beha sekhahla se nepahetseng sa baud ho 9600. Ngola sebopeho sebakeng se se nang letho se holimo ebe o otla "ROMA".
Letoto la litlhaku le tla hlahisoa mojuleng oa LCD.
Lisebelisoa:
Handson Technology
Tataiso e Felletseng ea Arduino LCD Interfacing (PDF)
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