Product description: DFRduino Uno v3 - compatible with Arduino
DFRduino is fully compatible with the popularArduino Uno R3module. It means that it can be programmed throughArduino IDE environmentusing available libraries. Overlays, so calledArduino Shieldwill also work with DFRobot module.
The board contains an ATmega328 microcontroller equipped with 14 digital inputs/outputs of which 6 can be used as PWM outputs (e.g. for controlling motors) and 6 as analogue inputs. The circuit is clocked with a 16MHz clock signal. The module has also: USB connector, DC power supply socket, RESET button and outputs used to connect the AVR programmer.
DFRobot company has introduced colorful connectors, which make it easier to identify the outputs:
- red- power pins,
- blue- analog pins,
- green- digital pins.
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In order to run DFRduino, you have to connect the chip with the computer usingUSB cable andselecttheArduino UnoboardinArduino IDE environment. |
Power supply
The module can be powered via theUSB cable andan external device, e.g. mains adapter, battery or rechargeable battery. The power supply is switched automatically. The power supply is connected to a standard DC socket. The battery or other source is connected to the POWER connector pins.
Programming
Creation and installation of softwareenables freeArduino IDEenvironment. Implemented bootloader allows you to upload program directly viaUSB cable.ISCP connector allows to connect externalAVR programmer. Detailed description can be found indocumentation and tutorial.
DFRduinoUno v3specification
- Power supply voltage: 7 V to 12 V
- Programmed via USB using the Atmega16u2 microcontroller.
- Fully compatible withArduino Uno Rev3
- Microcontroller: ATmega328
- Maximum clock frequency: 16 MHz
- SRAM: 2 kB
- Flash memory: 32 kB (5kB reserved for bootloader)
- EEPROM memory: 1 kB
- Ports I/O: 14
- PWM outputs: 6
- Number of analog inputs: 6 (A/C converter channels)
- Serial interfaces: UART, SPI, I2C
- External interruptions
- Connector: USB socket(USB cablesold separately)
- Soldering of the ISP connector
- Power connector: DC 5.5 x 2.1 mm
- Plate dimensions: 75 x 54 x 15 mm
Useful links |
