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v2 Amica (ESP8266)",{"slug":1809,"name":1810},"raspberry-pi-gpio-40pin","Raspberry Pi 40-Pin GPIO Header",{"slug":1812,"name":1813},"raspberry-pi-pico","Raspberry Pi Pico",[],[],{"title":1817,"description":1818,"card":1819,"intro":1820,"safe":1821,"adc":1822,"interfaces":1823,"strapping":1824,"input":1825,"overview":1826},"Розпіновка та схема Arduino Mega 2560 Rev3","Повна інтерактивна схема розпіновки та електричні характеристики Arduino Mega 2560 Rev3. Мікроконтролер ATmega2560, 5V логіка, 54 цифрових I\u002FO (15 ШІМ), 16 аналогових входів, 4 апаратні UART, роз'єм USB Type-B.","Флагманська 5V плата на ATmega2560 з 54 цифровими виводами (15 PWM), 16 аналоговими каналами та 4 апаратними UART.","Arduino Mega 2560 Rev3 — флагманська 8-бітна платформа на базі мікроконтролера Microchip ATmega2560 (16 МГц, 256 КБ Flash, 8 КБ SRAM). Створена для складних проєктів 3D-принтерів (RAMPS), робототехніки та автоматизації з великою кількістю периферії.","Усі цифрові та аналогові контакти працюють на нативній логіці 5 В. Допустимий постійний струм — до 20 мА на пін (абсолютний максимум 40 мА). Сумарне обмеження споживання кристала — 200 мА.","16 аналогових каналів (A0–A15, 10-бітне перетворення від 0 до 5 В або AREF). Канали A4–A7 мультиплексуються з інтерфейсом JTAG (TCK, TMS, TDO, TDI).","4 апаратні порти UART: Serial0 (D0\u002FD1), Serial1 (D19\u002FD18), Serial2 (D17\u002FD16), Serial3 (D15\u002FD14). Апаратна шина SPI на пінах D50 (MISO), D51 (MOSI), D52 (SCK), D53 (SS) та роз'ємі ICSP (НЕ на пінах 10-13!). Апаратний I2C на D20 (SDA) та D21 (SCL).","Страппінг-піни відсутні. Пін D13 підключено до жовтого користувацького світлодіода 'L' через буферний операційний підсилювач LMV358. D0\u002FD1 зв'язані з конвертером USB-UART (ATmega16U2).","Усі 54 цифрові піни підтримують двонаправлений ввід\u002Fвивід із внутрішніми підтягувальними резисторами (20–50 кОм). 15 виводів підтримують апаратний 8\u002F16-бітний ШІМ (D2–D13, D44–D46). 6 виводів мають апаратні зовнішні переривання (D2, D3, D18, D19, D20, D21).",{"summary":1827,"power":1828,"notes":1832,"useCases":1837,"before":1841},"Arduino Mega 2560 Rev3 — повнорозмірна плата розробника з мікроконтролером ATmega2560. Має 54 цифрових входи\u002Fвиходи, 16 аналогових входів, 4 апаратні послідовні порти, кварцовий резонатор 16 МГц, порт USB Type-B, роз'єм живлення 2,1 мм та кнопку скидання.",{"usb":1829,"vin":1830,"five":1831},"Роз'єм USB Type-B (5 В DC, захищений запобіжником 500 мА Polyswitch)","Контакт VIN або роз'єм живлення 2,1 мм (рекомендовано 7–12 В DC, абсолютні межі 6–20 В DC)","Стабілізована лінія живлення 5 В (лінійний стабілізатор NCP1117 \u002F LD1117, до 800 мА при живленні через DC роз'єм)",{"spi_relocation":1833,"logic":1834,"current":1835,"pwm_timers":1836},"Шина SPI перенесена: на Arduino Mega лінії SPI розташовані на пінах D50 (MISO), D51 (MOSI), D52 (SCK), D53 (SS) та центральному 6-піновому роз'ємі ICSP. Шилди, розраховані на піни 11-13 Uno, вимагають підключення до роз'єму ICSP.","Нативна логіка 5 В: усі виводи I\u002FO працюють при 5 В. Підключення 3.3V датчиків вимагає перетворювачів логічних рівнів.","Рекомендований струм на пін — 20 мА (максимум 40 мА). Сумарний струм живлення чіпа не повинен перевищувати 200 мА.","15 каналів ШІМ під керуванням таймерів 0, 1, 2, 3, 4 та 5 (D2–D13, D44–D46).",{"3d_printing":1838,"robotics":1839,"automation":1840},"Керування 3D-принтерами та ЧПУ-верстатами на базі плати розширення RAMPS 1.4 \u002F 1.6.","Складна робототехніка з керуванням десятками сервоприводів і мотор-драйверів одночасно.","Промислова автоматизація з моніторингом великої кількості сенсорів (16 АЦП) та зв'язком через 4 UART.",{"spi":1842,"logic":1843,"current":1844},"Перевірте підключення SPI: не використовуйте піни 10-13 для апаратного SPI; підключайтеся до пінів D50-D53 або до 6-пінової гребінки ICSP.","Перевірте сумісність периферії за напругою: пристрої на 3.3V потребують перетворювачів логічних рівнів.","Не перевантажуйте лінію 3,3 В (максимум 50 мА від лінійного стабілізатора LP2985).",1791754287629]