SKU: 45789221687

Gravity: IO Expansion Shield for Arduino V7.1 (Compatible with Part # 26DFR0018)

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Description

Gravity: IO Expansion Shield for Arduino V7.1 (Compatible with Part # 26DFR0018)9 PIECE SENSOR SET FOR ARDUINO (26DFR0018) IO Expansion shield is one of the market's best. The shield's design allows for fast robotic prototyping at an affordable price. The DFRobot Expansion shield introduces a color code for sensors and actuators input and output. The 3 pin format for Signal, Voltage and Ground is extremely useful, especially when used in conjuction with DF Robot's large range of modules, sensors and devices. Alternatively, the

9 PIECE SENSOR SET FOR ARDUINO (26DFR0018)


IO Expansion shield is one of the market's best. The shield's design allows for fast robotic prototyping at an affordable price.

The DFRobot Expansion shield introduces a color code for sensors and actuators input and output. The 3 pin format for Signal, Voltage and Ground is extremely useful, especially when used in conjuction with DF Robot's large range of modules, sensors and devices.

Alternatively, the board includes power input for salvaged power supplies or laboratory power supplies. Also features the very common Xbee socket for multipurpose wireless connectivity such as RF, wireless, and Bluetooth.

The new version includes a voltage hardware setting through a jumper to allow compatibility with a bigger range of components at 3.3 Volts like Raspberry Pi, Due and others.

It also includes a Servo external power, with a protective diode. This way you can enable a large range of servos from your Arduino.

The latest version features a convenient switch that lets you program your ATmega328 boards like UNO, while you have another Serial device connected like a Xbee. Switch it, program it and get it back up and running with another switch. You don't need to disassemble your hardware or wiring.


  • Compatible with the new Arduino Due
  • 3.3V/5V operating voltage select
  • Switch for wireless communication
  • Colorful header for illustrating digital or analog pins
  • Immersion gold surface
  • Input Voltage: 7-12V PWR_IN, 4.8-6V SERVO_PWR, depending on your servo
  • Compatible module voltage: 5V/3.3V
  • Support interface: I2C, SPI, Xbee (Xbee Pro), Bluetooth + APC220
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Exchange/Return Notes
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SKU: 45789221687

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4.1 ★★★★★
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Mindhealer
Charlottesville, US
★★★★★ 4
Please read!
Color: Ultra, Size: Large
This dog ball is so useful! We have a large property and we use the Chuckit! thrower with the ball. The color and material of the toy is very high-quality and lasts for a long time. We have been using the Chuckit! brand for a long time now and we love their dog products! It is a good price and we buy replacement balls like once or twice every 6 months because they keep getting lost in bushes or trees 😂 After some time the color of the ball gets washed out and since our dogs are aggressive chewers, one of the balls we got broke and split open, but it was still usable! The reason that one broke is because we had it for a HECKA LONG TIME! It has no squeaker so when your dog has the ball it wont make any loud and annoying sounds. It is easy to pick up with the thrower and it seems durable and sturdy enough to last them a few months. I don't recommend as a cat toy because this ball is specifically designed for dogs. But is your cat likes fetch i guess it could work! The ball is soft enough to not be hard as steel, but is sturdy enough to not break immediately.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 9, 2025
H
Verified Purchase
Hayleysgirl
Phoenix, US
★★★★★ 5
Chuck-it stands up to huskies teeth.
Color: Ultra, Size: Large
This item is awesome. Stands up to my huskies teeth.
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Reviewed in the United States on May 14, 2026
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D.G.
Whiting, US
★★★★★ 5
Great ball!
Color: Ultra, Size: Large
Our puppy loves this ball. It has held up well so far, it’s about 2 weeks now of large breed pup play. It’s been outside for the last week, rain or shine, still in working order. Not as big as I thought it would be though. No squeak, bounces well. Thick rubber like material, that can be depressed when biting down.
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Reviewed in the United States on May 14, 2026
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AnaC
Grantham, US
★★★★★ 5
Great Quality and durability
Color: Ultra, Size: Large
I have a teething puppy and this is the only ball that has outlasted the rest!! Big chewer and still bounces and no tears! Keeps him entertained for hours!! Sturdy, solid, good quality and value!
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Reviewed in the United States on February 12, 2026
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Dana Kurtz
Cuba, US
★★★★★ 5
Durable, even for a Great Dane!
Color: Ultra, Size: XXL
I've bought many tennis ball sized ChuckIt balls in the past (for medium sized dogs we've owned), so when we knew we were going to be babysitting our daughter's Great Dane, I bought a bigger one for her. The 4" is perfect for her! She plays catch with it, but also likes to gnaw on it. It holds up great!
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Reviewed in the United States on April 19, 2026

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