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Gravity: Arduino Shield HAT for Raspberry Pi
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Awesome Extras
This clever HAT from DFRobot adds an Arduino (ATmega32u4) on top of your Raspberry Pi, giving you the very best of both worlds for your projects!
The HAT has broken out pins from both your Raspberry Pi GPIO and the onboard ATmega32u4, alongside an XBee socket (with Pi serial/Arduino serial switch), RTC reset button (Arduino), SDA/SCL breakouts.
A bidirectional logic converter has been included, which converts your Raspberry Pi GPIO signal voltage between 3.3V and 5V allowing compatibility with hundreds of sensors.
The online Wiki is on hand to help you get started.
Features
- Integrated Xbee socket
- Can connect to Arduino or Raspberry Pi (B)
- Compatible with Bluetooth Bee (BT2.1) and XBee modules
- Embedded DS1307 RTC module (CR1220 battery required)
- Bidirectional logic converter for Raspberry Pi B GPIO to convert signal between 3.3v and 5v
- 3-pin header sensor port for Arduino pins and Pi GPIO, directly compatible with hundreds of Arduino sensors and modules
Specification
- Onboard Microcontroller: ATmega32u4
- Arduino Leonardo Chip
- Arduino Compatible pin mapping
- Compatible with Arduino standard shields and sensors
- System Voltage: 5v
- Arduino Digital I/O: 20
- Arduino Analog I/O: 6
- Raspberry Pi B+ GPIO: 16
- Raspberry Pi B+ I2C: 1
- Raspberry Pi B+ ID_I2C: 1
- Raspberry Pi B+ SPI: 1
- Raspberry Pi B+ TTL UART: 1
- Dimension: 86mm x 61mm x 26mm
Resources
Package Contents
- 1x Arduino Expansion Shield for Raspberry Pi
- 1x 20cm micro-USB cable
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5.00
Based on 2 reviews
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Product Reviews
Gravity: Arduino Shield HAT for Raspberry Pi
Using an Arduino as a coprocessor to handle things the Raspberry Pi isn't good at, like Analogue I/o is a brilliant idea, and this HAT just works with the RPi as another peripheral.
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2 months ago
Gravity: Arduino Shield HAT for Raspberry Pi
... einfach draufgesteckt, GPIO- und I2C-Pins werden vom Raspi durchgeschleift. Fuer analoge Messungen gibt's den ATmega32. Plappern tun Raspi und Arduino per USB - funktioniert tadellos. Leider kommunizieren beide nicht direkt ueber I2C, obwohl die Adresse 68 am Raspi vom Arduino belegt ist. Super, dass jeder Digital/Analog/GPIO-PIN jeweils 5V- und Ground-PIN hat. Ein tolles Ding!
1 person found this review helpful.
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8 years ago
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