Компонент Adafruit Motor/Stepper/Servo Shield
Оригинальный комплект Adafruit Motorshield - один из наших самых любимых наборов, именно поэтому мы решили сделать что-то еще лучше. Мы модернизировали комплект shield, чтобы создать самый лучший и простой способ управления двигателями постоянного тока и шаговыми двигателями. Этот щит быстро справится с вашим следующим робототехническим проектом! Мы сохранили возможность управлять до 4 двигателями постоянного тока или 2 шаговыми двигателями, но добавили множество улучшений: вместо драйвера L293D darlington теперь у нас есть драйверы MOSFET TB6612 с Допустимый ток 1,2 А на канал (вы можете использовать пиковый ток до 3 А в течение приблизительно 20 мс за раз). Он также имеет гораздо более низкие перепады напряжения на двигателе, так что вы получаете больше крутящего момента от своих аккумуляторов, а также встроенные обратные диоды. Вместо использования защелки и ШИМ-контактов Arduino у нас на борту есть полностью выделенный чип ШИМ-драйвера. Этот чип управляет всеми функциями двигателя и скоростью через I2C. Для управления несколькими двигателями требуется только два контакта (SDA и SCL), и, поскольку это I2C, вы также можете подключить любые другие устройства I2C или экраны к тем же контактам. Это также делает его совместимым с любым Arduino, таким как Uno, Due, Leonardo и Mega R3.
Печатная плата
Схема
Список пинов
| Пин | Тип | Описание |
|---|---|---|
| AD3 | female | — |
| AD2 | female | — |
| AD1 | female | — |
| AD0 | female | — |
| D0 | female | — |
| D1 | female | — |
| D2 | female | — |
| D3 | female | — |
| D4 | female | — |
| D5 | female | — |
| D6 | female | — |
| D7 | female | — |
| M2A | female | — |
| M2B | female | — |
| GND | female | — |
| M1B | female | — |
| M1A | female | — |
| M3A | female | — |
| M3B | female | — |
| GND | female | — |
| M4B | female | — |
| M4A | female | — |
| PWM0 | female | — |
| PWM1 | female | — |
| PWM14 | female | — |
| PWM15 | female | — |
| VIN | female | — |
| GND | female | — |
| GND | female | — |
| +5V | female | — |
| +3V3 | female | — |
| /RST | female | — |
| IOREF | female | — |
| AD5/SCL | female | — |
| AD4/SDA | female | — |
| AREF | female | — |
| GND | female | — |
| D13 | female | — |
| D12 | female | — |
| D11 | female | — |
| D10 | female | — |
| D9 | female | — |
| D8 | female | — |
| AD5/SCL | female | — |
| AD4/SDA | female | — |
| GND | female | — |
| VMOTOR | female | — |
| +5V | female | — |
| GND | female | — |
| GND | female | — |
| +5V | female | — |
| D10 | female | — |
| GND | female | — |
| +5V | female | — |
| D9 | female | — |
| +3V3 | female | — |
| +5V | female | — |
| +5V | female | — |
| AD0 | female | — |
| AD1 | female | — |
| AD2 | female | — |
| AD3 | female | — |
| AD4/SDA | female | — |
| AD5/SCL | female | — |
| AREF | female | — |
| D0 | female | — |
| D1 | female | — |
| D2 | female | — |
| D3 | female | — |
| D4 | female | — |
| D5 | female | — |
| D6 | female | — |
| D7 | female | — |
| D8 | female | — |
| D9 | female | — |
| D10 | female | — |
| D11 | female | — |
| D12 | female | — |
| D13 | female | — |
| GND | female | — |
| GND | female | — |
| GND | female | — |
| GND | female | — |
| IOREF | female | — |
| MISO | female | — |
| MOSI | female | — |
| /RST | female | — |
| /RST | female | — |
| SCK | female | — |
| AD5/SCL | female | — |
| AD4/SDA | female | — |
| VIN | female | — |
| N$34 | female | — |
| N$35 | female | — |
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| N$159 | female | — |