Elecrow
Crowduino Uno-SD V1.5
The Crowduino Uno-SD mainboard is a microcontroller board that completely compatible with the Arduino UNO. It is based on the Atmega328P, which is widely als...
The Crowduino Uno-SD mainboard is a microcontroller board that completely compatible with the Arduino UNO. It is based on the Atmega328P, which is widely also used in the Arduino Uno and other Arduino compatible boards. Compared to the previous Crowduino with Atmega328, , the Uno SD mainboard uses the Atmega16U2, instead of the FTDI232 for the USB2UART conversation, which makes the program downloading much faster. Besides, there is a SD card slot on the Uno-SD board, making this board more convenient for applications such as data logging/ environment monitoring. Compared to the original Arduino Uno, the Crowduino Uno SD board has the following upgrades:
- Reset button on the left side, which makes it more convenient to reset the system.
- Updated power circuit. With the selector, uses can select the working voltage, 3.3V or 5V, which makes the Uno-SD board compatible with more sensors that uses the 3.3V logic level communication .
- Uno-SD board uses the Mini USB connector, to avoid the potential risk of connecting to above shield.
- On board SD card slot.
Specification
- Microcontroller: Atmega328P
- Working Frequency: 16MHz
- RAM:2K
- Flash: 32K
- Power Supply: USB 5V or External Power 7~12V
- I/O Logic:3.3V/5V
Packing List
- Crowduino Uno SD Board X 1
- Mini USB Cable X 1
Documentation
Jargon buster
Plain-language definitions for the technical terms used above.
- ATmega328P
- An 8-bit microcontroller chip used on many Arduino Uno-compatible boards. Knowing the controller uses an ATmega328P helps you understand its memory, speed, pin compatibility, and the Arduino sketches it can run.
- microcontroller
- A microcontroller is a small computer on a chip that runs your program and controls connected inputs and outputs. For this product, it is the part that reads buttons and sensors, drives the display and speaker, and communicates over Bluetooth.
- RAM
- RAM is temporary memory used while a device is running, and its contents are lost when power is removed. A “Run in RAM” mode is useful for testing settings without permanently programming the module, but it may not support every feature.
- Shield
- An add-on board that plugs into a main controller board to give it extra features such as sensing, motor control or communication. Knowing a product supports shields helps you judge whether it can connect neatly into an existing maker-board setup.
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Related Tutorials
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