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DFRobot Gravity - IO Expansion Shield for Arduino V7.1

Shield for Arduino, which extends the I/O pis capabilities. It has i.a. led out each pin with a pair for power supply, possibility to turn on the voltage converter of 3.3 V, a...
Index: DFR-02991
Index: DFR-02991
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Regular price PLN32.44 Price PLN32.44

DFRobot Gravity - Micro:Mate - extension board for BBC micro:bit

Micro:mate is a small expansion board of I/O for micro:bit for learning the electronics and building the projects. Board has 6 rows of 3-pin interfaces of I/O, thanks to which...
Index: DFR-11461
Index: DFR-11461
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Regular price PLN22.36 Price PLN22.36

DFRobot Gravity: module with EEPROM memory - I2C - 256kB

Module EEPROM from series Gravity, allows for memory expansion on the data with 256 KB in Arduino. Communication via the I2S interface. It saves data during a power outage. The...
Index: DFR-13242
Index: DFR-13242
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Regular price PLN23.58 Price PLN23.58

Gravity DFRobot IO Expansion + TB6612FNG 2-channel motor driver 12V/1.2 A - Shield for Arduino

Shield for Arduino which is an extension of the i/O pins and two-channel driver for DC motors TB6612FNG with a voltage of 12 V and performance of 1.2 A per channel. It also has...
Index: DFR-10828
Index: DFR-10828
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Regular price PLN51.95 Price PLN51.95

DFRobot Gravity - IO Expansion Shield for LattePanda

Shield for minicomputer LattePanda of Gravity And/O all GPIO pins that are compatible with standard Arduino and does not interfere with other LattePanda outputs. Every...
Index: DFR-10835
Index: DFR-10835
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Regular price PLN32.44 Price PLN32.44

Environment Science Board V1.0 for BBC micro:bit - DFRobot MBT0013

A developmental plate for the BBC's micro:bit minicomputer, which allows children to learn the basic issues of nature. It has a variety of built-in sensors, which are...
Index: DFR-15923
Index: DFR-15923
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Regular price PLN251.22 Price PLN251.22

IO Expansion Shield series

DFRobot Gravity IO Expansion Shield for Arduino is a kind of base for building devices based on Arduino series modules, e.g. Arduino Uno, Leonardo, Mega 2560 and various clones compatible with this system. Modules are connected to base boards using 3- or 4-pin connectors compliant with DFRobot Gravity standard. One of the most popular and interesting solutions in this series is DFRobot Gravity IO Expansion Shield V7.1, which offers a number of features far beyond the standard Arduino board capabilities. Apart from a number of connectors, which allow to connect analog sensors and input and output modules using digital pins, the overlay has also two 4-pin connectors, used to communicate with sensors equipped with I2C bus. There is also a socket for Xbee series radio modules. On the board there is also place for gold pins to select operating mode of the overlay (5V or 3.3V), and a slide switch to select operating mode. The latter is designed for programming the board via USB or for communication with Xbee module via UART interface. The module also has two power connectors.

A slightly similar, although more complex model is the DFRobot Gravity IO Expansion & Motor Driver Shield. It allows you to control a bipolar stepper motor or two DC motors using the built-in TB6612FNG integrated driver. The board also has connectors for Xbee radio module and - known from previously discussed Gravity IO Expansion Shield overlay - connectors for 3-pin digital and analog modules and 4-pin SPI modules.

Other examples of IO Expansion Shield series overlays

DFRobot Gravity - IO Expansion Shield for LattePanda, i.e. for popular single board minicomputers, is an overlay allowing to connect popular modules, usually used with Arduino platform, to minicomputers. Slightly similar overlays were also created for the BBC micro:bit teaching platform. The manufacturer provides users with both a miniature DFRobot Gravity Micro:Mate expansion board, as well as an extended set of Environment Science Board V1.0, allowing to learn how to measure environmental parameters. A big advantage of this solution is the use of a PCB with an intriguing shape, imitating the shape of a geometric landscape. Also this module allows you to connect sensors from the Gravity series. The set, in addition to the board itself, also includes sensors for temperature, soil moisture, water quality, as well as sound, color, atmospheric pressure and even UV. There is also a miniature OLED display.