El I-Raspberry Breadstick Kuyibhodi lokuthuthukisa elimise okwebha, elakhelwe ukwenza lula ukusetshenziswa kwalo ebhodini lokudla noma ebhodini lokuthuthukisa, kumaphrojekthi akho e-DIY, ukwenza lula ukuhlola. Ngokungafani namanye amabhodi okuthuthukisa, i-Breadstick yakhelwe ukuthi ilingane ngqo ebhodini lakho lokudla futhi ixhumeke kwezinye izinto zikagesi kuphrojekthi yakho ngaphandle kwesidingo sezintambo ezinde.
Inhloso yayo ukuhlinzeka nge-prototype ukuthi ungayenzi imiklamo ibe yinkimbinkimbi futhi wenze ukuphila kube lula kumenzi. Ngaphezu kwalokho, le divayisi isekelwe ku- Idatha ye-RP2040, engiphawule ngakho esikhathini esidlule kule bhulogi efanayo.
Isekelwe kweyokuqala I-Raspberry Pi microcontroller, noma i-MCU, i-RP2040, okuyi-chip efanayo enika amandla i-Raspberry Pi Pico namanye amabhodi amaningana e-SBC afanayo. Izinzuzo ze-RP2040 ukuthi iyonga futhi isekela i-C/C++, i-MicroPython ne-CircuitPython, phakathi kwezinye izinzuzo. Kungakho iheha kakhulu kumaphrojekthi amaningi, ike yasetshenziswa njengesisekelo seqembu lesithathu.
Manje i I-Raspberry Breadstick yengezwe ohlwini lwamaphrojekthi asebenzisa i-MCU. Kulokhu, kungenye ibhodi enezinye izici ezithokozisayo ezihambisana ne-RP2040. Isibonelo, ihlanganisa ulayini wama-RGB LED angama-24 aphathekayo anamazinga aphezulu okuvuselela, iyunithi yokulinganisa ye-6-eksisi inertial yokuqoqa idatha yokusheshisa nokujikeleza, kanye no-16MB wesitoreji sangaphandle se-flash yekhodi yakho nedatha.
I-Raspberry Breadstick izokuvumela ukuthi udale futhi uhlole amaphrojekthi we-electronics ngendlela ehlelekile futhi ehlanzekile, ukuze ubone ngeso lengqondo kalula, ukuhlola nokuqonda. Yinde futhi izacile, ivala bonke ubude bebhodi lezinkwa kushiya isikhala sezimbobo ezi-4 ebhodini lezinkwa ezinhlangothini zombili ukuze uthole ukuxhumana okudingekayo. I-schematics, ikhodi, imihlahlandlela, kanye nemibhalo ingatholakala kunqolobane yomkhiqizo ye-GitHub, ngakho ngeke ube nenkinga enkulu ukuyisebenzisa.
Njengamanje, isesigabeni se-crowdfunding se-crowdfunding Inkundla ye-CrowdSupply. Umgomo wabathuthukisi bale phrojekthi ukufinyelela cishe ku-$ 7000 kusukela ekuqoqeni imali, into esekude, kodwa kunesikhathi kuze kube nguJanuwari 18, 2024, lapho umkhankaso uzophela khona.
Imininingwane yezobuchwepheshe ye-Raspberry Breadstick
Ngokuqondene ne Ukucaciswa kobuchwepheshe Kulolu hlu lwe-Raspberry Breadstick, kufanele sigqamise okulandelayo:
- I-MCU: I-microcontroller esebenza njengenhliziyo yale divayisi i-Raspberry Pi RP2040 njengoba ngike ngasho ngaphambili. Le chip ethuthukiswe abadali be-SBC edumile, ifaka iphrosesa eyi-dual-core Arm Cortex-M0+ enesivinini esingu-133MHz, esekelwa ngu-264 KB we-on-chip RAM ukuze iphathe kahle ukusebenza. Inikeza umthamo wokugcina ongafika ku-16 MB we-off-chip Flash memory ngebhasi le-QSPI. Ifakwe isilawuli se-DMA, ihlanganisa izinhlobonhlobo zama-peripherals, okuhlanganisa ama-UART angu-2, izilawuli ze-SPI ezi-2, izilawuli ezingu-2 ze-I2C kanye neziteshi ze-PWM ezingu-16. Ukwengeza, ihlanganisa isilawuli se-USB 1.1 kanye ne-PHY esekela imisebenzi yomsingathi neyedivayisi. Inezikhonkwane ze-GPIO ezingu-30, ezi-4 zazo ezinikwe amandla okufaka imisebenzi ye-analog. Ngebanga lokushisa elibanzi lokusebenza elingu--40°C kuya ku-+85°C, idivayisi inikeza amamodi anamandla aphansi njengokulala nokungenzi lutho. Ihlanganisa inzwa yezinga lokushisa futhi igqama ngemishini yayo yesimo ye-I/O (PIO) ehlelekayo engu-8 ukuze isekele ama-peripherals angokwezifiso.
- Isitoreji: 16MB SPI flash ehlanganiswe ku-chip engenhla.
- Imbobo ye-USB: I-1x USB Type-C esetshenziselwa kokubili ukudlulisa idatha kanye nokuhlinzeka idivayisi ngamandla adingekayo.
- Ukwandisa: Ukuze unwebe imisebenzi namakhono ayo, inama-4x 12-bit ADCs, 18x GPIO ane-serial hardware, i-I2C, kanye nosekelo lwe-SPI.
- Abanye: Kulesi siqeshana sinama-LED angakwazi ukubhekana nawo angu-24x, iyunithi yokulinganisa i-6-axis inertial (3-axis accelerometer + 3-axis gyroscope).
- Ukudla: Inganikwa amandla nge-USB kalula, nge-voltage engu-5V @ 3A. Ngaphezu kwalokho, kuhlanganisa i-fuse yokulawula.
- Ubukhulu: I-Raspberry Breadstick inobukhulu obungu-10x164x5 mm, uma ungabali izihloko zokuxhuma iphinikhodi.
- Inani: Ipuleti linenani elingu-$55, futhi ukuthunyelwa kumahhala uma kwenziwa ngaphakathi kwe-United States. Kodwa emhlabeni wonke, ama-oda azoba nezindleko ezengeziwe zezindleko zokuthumela ezingu-$18, ngakho-ke ingqikithi uma uyithenga eSpain izoba ngu-$62.