1. Nhanganyaya
Gwaro iri rinopa mirairo yakadzama yeWaveshare 4.2inch E-Ink Display Module. Module iyi ine resolution ye400x300 uye inotaurirana kuburikidza neSPI interface. Dhizaini yayo inopa simba shoma kwazvo, uye yakawanda. viewinopinza kona, uye inochengetedza kuratidzwa kwakajeka pasina simba rinoenderera mberi, zvichiita kuti ikodzere kushandiswa kwakadai sema label emagetsi esherufu uye zvishandiso zveindasitiri.
Mufananidzo 1: Mberi view ye4.2inch E-Ink Display Module.
2. Zvimiro
- Hapana Chiedza Chekumashure Chinodiwa: Chiratidziro chinochengetedza zviri mukati macho nekusingaperi kunyangwe kana simba rabviswa.
- Kushandiswa Kwesimba Rakaderera Zvikuru: Simba rinongoshandiswa chete panguva yekuratidzwa kwezviratidziro.
- SPI Interface: Inorerutsa kubatana nemabhodhi akasiyana-siyana ekutonga, anosanganisira Raspberry Pi, Arduino, uye Nucleo.
- Onboard VoltagMushanduri: e Inovimbisa kuti inoenderana ne 3.3V ne 5V microcontrollers (MCUs).
- Zvishandiso zveKuvandudza: Mabhuku ekushandisa epamhepo uye exampKodhi iyi inopihwa mapuratifomu eRaspberry Pi, Jetson Nano, Arduino, uye STM32.
3. Chii chiri muBhokisi
Iyo package inosanganisira zvinotevera zvikamu:
- 1x Waveshare 4.2inch e-Pepa Module
- 1x PH2.0 20cm 8Pin Cable
Mufananidzo 2: Zviri mukati mepakeji, kusanganisira module yekuratidza netambo yekubatanidza.
4. Zvinotsanangurwa
| Parameter | Value |
|---|---|
| Kukura Kwekuratidza | 4.2 inches |
| Resolution | 400 x 300 pixels |
| Ratidza Ruvara | Mutema / Muchena |
| Grey Scale | 4 |
| Kushanda Voltage | 3.3V / 5V |
| Interface | 3-waya SPI, 4-waya SPI |
| Rondedzera Dimensions | 103.0mm x 78.5mm |
| Nzvimbo yekuratidzira | 84.8mm x 63.6mm |
| Dot Pitch | 0.212 x 0.212 mm |
| Nguva Yekuzorora Yakazara | Anenge 4 seconds |
| Nguva Yekuzorodza Zvishoma | Anenge 0.4 seconds |
| Kushandiswa Kwesimba Refresh | 26.4mW (yakajairika) |
| Standby Power Kushandiswa | <0.017mW |
| Viewing Angle | >170° |
Mufananidzo 3: Module yaperaview, ruzivo rwechiratidziro, uye hupamhi.
5. Setup uye Connection
Module yeE-Ink Display ye4.2inch inobatanidza kune microcontroller yehost kuburikidza neSerial Peripheral Interface (SPI). Iva nechokwadi chekuti mapini akabatana zvakanaka kudzivirira kukuvara kwemodule kana mudziyo wehost.
5.1. Pini Tsanangudzo
Tarisa tafura nedhayagiramu zvinotevera kuti uwane mabasa epini:
| Pin | Tsanangudzo |
|---|---|
| VCC | Simba remagetsi (3.3V-5V) |
| GND | Ground |
| DIN | Pin yeSPI MOSI (Master Out Slave In) |
| CLK | SPI SCK (Serial Clock) pini |
| CS | SPI Chip Select, inoshanda yakaderera |
| DC | Sarudzo yedata/mirairo (Yakakwirira padata, Yakaderera pamurairo) |
| RST | Kugadzirisazve kwekunze, kushanda kwakaderera |
| BUSY | Kubuda kwemamiriro ezvinhu ane busy, kushanda kwakakwira kana wakabatikana |
Mufananidzo 4: Kumashure kwemodule ine pinout labels (Revision 2.1 inoratidzwa).
5.2. Kubatanidza Maitiro
- Tsvaga mapini eSPI anoenderana (VCC, GND, DIN, CLK, CS, DC, RST, BUSY) pa microcontroller yako (semuenzaniso, Raspberry Pi, Arduino).
- Batanidza waya ine mapini masere yakabatanidzwa kune chinongedzo chemodule.
- Batanidza waya yega yega kubva patambo nepini chaiyo iri pa microcontroller yako. Tarisa kaviri ma connection ese usati waisa simba.
- Iva nechokwadi chekuti logic level ye microcontroller yako inoenderana ne operating vol ye module yakotage (3.3V kana 5V). Voliyumu iri mubhodhitagMushanduri we e anobata izvi otomatiki.
6. Kushanda
Iyo Waveshare 4.2inch E-Ink Display Module inoshanda pasi pesimba re electrophoretic display technology. Izvi zvinoreva kuti haidi backlight uye inogona kuchengetedza mufananidzo nekusingaperi isina magetsi. Kugadziridzwa kwezviri mukati kunoda kudzoreredzwa, panguva iyo simba rinoshandiswa.
6.1. Kudzoreredza Chiratidziro
- Kuvandudza Kwakazara: Kugadzirisa skrini zvizere kunowanzo tora masekonzi mana. Izvi zvinobvisa skrini yese uye zvinodhirowa patsva zvinhu zvitsva.
- Kuvandudza Zvishoma: Kuti pave nekuvandudzwa kudiki kunzvimbo dzakati wandei dzechidzitiro, unogona kushandisa kudzoreredza zvishoma, izvo zvinokurumidza zvikuru, masekondi angangoita 0.4. Iyi modhi inobatsira kune zviri mukati zvinochinja-chinja kazhinji pasina kuda kudzima skrini yakazara.
Mufananidzo 5: ExampMufananidzo unoratidzwa pamodule yeE-Ink.
Mufananidzo 6: Module yekuratidza E-Ink iri muchimiro chisina chinhu.
7. Kuchengeta
Zviratidziro zveE-Ink zvinowanzo shanda kwenguva pfupi. Kuti zvive nechokwadi chekuti zvinogara kwenguva refu uye zvinoshanda zvakanaka:
- Dzivisa kuisa chiratidziro pakupisa kwakanyanya kana kuti pazuva rakananga kwenguva yakareba.
- Usanyanya kudzvanya pamusoro pechiratidziro.
- Chenesa nzvimbo yekuchengetera zvinhu zvinyoro-nyoro nejira rakapfava, rakaoma, risina ruvara. Dzivisa kushandisa zvinhu zvekuchenesa mvura kana zvinhu zvinokwesha.
- Chengeta module iyi munzvimbo yakaoma, isina guruva kana isiri kushandiswa.
8. Kugadzirisa matambudziko
Kana ukasangana nematambudziko nemodule yako yeE-Ink display, funga nezvematanho anotevera ekugadzirisa matambudziko:
- Hapana Kuratidzwa/Kubuda Kwakasanganiswa:
- Tarisa kuti ma "SPI connections" ese (VCC, GND, DIN, CLK, CS, DC, RST, BUSY) akarurama uye akachengeteka. Kusashanda zvakanaka kwewaya ndicho chikonzero chinowanzo kukonzera matambudziko e "display".
- Iva nechokwadi chekuti magetsi ari kumodule ari mukati mehuwandu hwakatarwa hwe3.3V-5V.
- Tarisa kuti raibhurari yesoftware chaiyo uye dhiraivha zviri kushandiswa pa 4.2inch 400x300 E-Ink display. Tarisa zvinyorwa zveWaveshare online kuti uwane mamwe mashoko chaiwo.amples.
- Simbisa kuti mapini ekugadzirisa (RST) neakabatikana (BUSY) abatwa nemazvo mukodhi yako.
- Mwero weKuzorodza Unononoka:
- Kuvandudza zvizere kunononoka pane kuzorodza zvishoma. Kana uri kuita zvidzoreso kakawanda, funga nezvekushandisa mashandiro ekuvandudza zvishoma mukodhi yako.
- Iva nechokwadi chekuti kumhanya kwewachi yako yeSPI kwakagadzirwa nemazvo uye hakuna kunonoka zvakanyanya.
- Chiratidziro Chisiri Kuchenesa Zvizere:
- Dzimwe nguva, zvinogona kuitika kuti munhu awane mweya wakasara. Kuita refresh cycle kakawanda kunogona kubatsira kubvisa display.
- Iva nechokwadi chekuti software yako iri kutumira mirairo chaiyo kuti ijekeswe zvizere usati wadhirowa zvinhu zvitsva.
9. Kutsigira uye Zviwanikwa
Kuti uwane rumwe rubatsiro, magwaro akadzama, uye kugadzirwa kweampNdapota tarisai zvinyorwa zvepamutemo zveWaveshare online. Zvishandiso izvi zvinowanzo sanganisira mabhuku ekushandisa akazara, marongero, uye kodhi examps kune mapuratifomu akasiyana-siyana akadai seRaspberry Pi, Jetson Nano, Arduino, uye STM32.
Shanyira mukuru weWaveshare webpeji rewebhusaiti kana chigadzirwa kuti uwane ruzivo rwekutsigira uye kudhawunirodha.
