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Description
Arduino UNO R3 Development Board Microcontroller MEGA328P ATMEGA16U2 + USB CableUNO R3 Arduino Compatible MEGA328P ATMEGA16U2 Development Board Microcontroller + USB Cable NEW UNO R3, 2012 new type with an easy to use open source controller, the hardware and the Arduino UNO and no big change, compared the biggest difference is that the USB to serial interface circuit, a switch is a ATMega16U2 of single chip computer, the cost is increased, the software part as before, no big change. Function: Stitching changes: beside the AREF
UNO R3 Arduino Compatible MEGA328P ATMEGA16U2 Development Board Microcontroller + USB Cable NEW
UNO R3, 2012 new type with an easy to use open source controller, the hardware and the Arduino UNO and no big change, compared the biggest difference is that the USB to serial interface circuit, a switch is a ATMega16U2 of single-chip computer, the cost is increased, the software part as before, no big change.
Function:
Stitching changes: beside the AREF sutural added two I2C pins (SDA and SCL, only Analog copy of 4 and 5, are not additional I2C interface), in addition, beside the RESET also added two pins, one is IOREF, can let the extension board to board, load voltage, the stitching is tell extension board currently on-board voltage is how many (such as UNO is 5 v, can is regarded as a copy of the power pins, does not provide a level), the other one is after treated with placeholder pins.
2. The RESET circuit is more stable. RESET button position is changed, and moved to near the USB interface of voids, it is more convenient.
3. ATmega16U2 instead of 8 u2, this does not mean that there are 16 k flash R3 can make your code run faster, the update service for the USB interface chip, it make UNO can simulate USB HID in theory, such as the MIDI/Joystick/the rid_device_info_keyboard.
Introduction of the Arduino
What is the Arduino?
The Arduino is a Simple I/o platform based on open source code, and use Java, such as Processing/Wiring of C language development environment, the characteristics of easy to understand. Allows you to quickly use the Arduino do interesting things. The Arduino can be used with some electronic components such as: LED lights, buzzer, buttons, photo resistance, etc. The Arduino development environment based on the principle of open source interface, allows you to free download to use developed more amazing interactive work.
Characteristics of description
Open circuit diagram of the original design, the development of software interface for free download, can also be in accordance with the requirements and their modified, download the program is simple and convenient. Can simply use sensors, all kinds of electronic components connection (such as: LED lights, buzzer, buttons, photo resistance, etc.), make all sorts of interesting work.
Microprocessor controller (ATMEGA328), using high-speed development interface and the environment are very simple and easy to understand, very suitable for beginners to learn.
Performance description
Digital I/O Digital inputs/outputs were： 0~13.
Analog I/O Analog input/output: 0~5
Support ISP download function.
The input voltage: when connected to the computer USB without external power supply, external power supply 7 v to 12 v dc input voltage.
Output voltage: 3.3 V and 5 V dc voltage output DC voltage output.
Using Atmel Atmega328 microprocessor controller.
Package Includes:
1 x Arduino UNO R3 compatible development board
1 x USB cable
Product ID: EP008
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4.6 ★★★★★
Based on 16 reviews
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Product Reviews
★★★★★ 3
Nice, but easily chewed apart.
My dog loves it, but needs supervision because he can bit off bits. He's a small dog with little teeth.
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Reviewed in the United States on June 13, 2026
★★★★★ 4
JAYU PET Toothbrush Toy Dog Chew
The JAYU PET Toothbrush Toy Dog Chew is pretty cool. I used my toy poodle’s favorite toothpaste and he had a hard time really getting into the grooves. This seems like a good idea and it’s hit or miss with anything like this. My dog loved it more and tried harder when I used peanut butter. I just end up having to clean o it the grooves as he can’t get to it all. Big breeds might do better, but this is cute and could work.
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Reviewed in the United States on January 15, 2026
★★★★★ 5
Highly Recommend for Aggressive Chewers!
I recently purchased the JAYU PET Toothbrush Toy Dog Chew Toy, and it has exceeded my expectations. If you’re looking for dog chew toys that are both durable and functional, this is a great choice. My dog is an aggressive chewer, and this toy has held up extremely well without breaking or wearing down.
What I love most is how it helps clean my dog’s teeth while chewing. The textured design removes plaque and tartar naturally during playtime. It’s much easier than brushing my dog’s teeth manually, and my dog actually enjoys using it.
This dog dental toy is perfect for small and medium dogs and keeps them busy for long periods, which helps reduce boredom and destructive behavior. It’s sturdy, safe, and clearly designed with dental health in mind.
Overall, this is one of the best dog chew toys I’ve purchased—durable, engaging, and great for maintaining my dog’s oral hygiene. I will definitely be buying another one!
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Reviewed in the United States on December 24, 2025
★★★★★ 2
Not for aggressive chewers
My 14 pound puppy chewed a big chunk out within 30 minutes. Would not recommend if you have a dog that likes to tear into things
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Reviewed in the United States on May 30, 2026
★★★★★ 1
Not for aggressive chewers as labeled; poor quality
Really disappointed in this item. My barely 16 lb., 1 1/2 yr old labradoodle chewed right thru the plastic in literally 6 seconds. I was going to toss it but at $18, the item should live up to its description-this toothbrush toy is rated 80% on the aggressive chew scale as per packaging…NOT AT ALL! She bit off a couple off chunks immediately, then proceeded to bite off the spikes…couldn’t believe how quickly the toy was destroyed & I took it away within moments of giving it to her.
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Reviewed in the United States on February 10, 2026
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