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Description
Arduino Leonardo ETHThe Arduino Leonardo Ethernet board is based on the ATmega32U4 microcontroller and the new Wiznet W5500 embedded Ethernet controller. The board has 20 digital I O pins (7 can be used as PWM outputs and 12 as analog inputs). Additional features include a 16MHz xtal oscillator, RJ45 connection, micro USB connector, power jack, ICSP header, and a reset button. The Leonardo ETH differs from the preceding Ethernet board in that the ATmega32u4 has built in
The Arduino Leonardo Ethernet board is based on the ATmega32U4 microcontroller and the new Wiznet W5500 embedded Ethernet controller. The board has 20 digital I/O pins (7 can be used as PWM outputs and 12 as analog inputs). Additional features include a 16MHz xtal oscillator, RJ45 connection, micro USB connector, power jack, ICSP header, and a reset button.
The Leonardo ETH differs from the preceding Ethernet board in that the ATmega32u4 has built-in USB communication, eliminating the need for an external USB-to-serial converter. This allows the Leonardo ETH to appear to a connected computer as a mouse and keyboard, in addition to a virtual (CDC) serial / COM port.
- The Wiznet W5500 Ethernet chip datasheet can be downloaded here.
- Based on an ATmega32U4 microcontroller
- Flash memory 32KB
- SRAM 2.5KB
- EEPROM 1KB
- Operating voltage 5V
- 7x PWM Channels
- Can be programmed with Arduino software
- Automatic (software) reset
- USB overcurrent protection
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- We offer a 30-day return/exchange service after receiving.
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4.1 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 4
Durable dog toy
Solid toy for Malinois
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Reviewed in the United States on March 26, 2026
★★★★★ 5
Extremely Durable
This is truely for heavy chewers. Both my bully mixes have chewed through every bone/ball including Kong. They have had these for about 6 months and they are hardly worn. The dogs love chewing on them too. I wish they came in flavors.
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Reviewed in the United States on April 5, 2026
★★★★★ 5
Must have toy
Found out the hard way my sweet little shy rescue pup can chew through any toy in under 5 min. If it says indescribable they have never met her....until this toy. It has been almost two weeks now. She loves this thing and you cannot tell she has even tried to destroy it. If she does manage to somehow I am instantly buying another. This thing is awesome, a must have for super cheers, and she LOVES it
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Reviewed in the United States on February 8, 2026
★★★★★ 1
Not even close to "virtually indestructible" as described.
Within an hour of receiving this K9 Chew Stick, our 55lb Staffordshire Terrier began chewing pieces off the top of toy. Initially, we were happy to see that our dog enjoyed the chew toy, and it appeared to be durable. For the high cost of this toy, it is very disappointing that pieces can start coming off that quickly. Luckily, our dog wasn't swallowing the pieces, which can easily lodge in their intestines. If your dog is NOT an aggressive/determined chewer or they are happy with chewing for very short periods of time, this toy might be okay for them.
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Durable for Heavy Chewing Rottweiler
Fit for Rottweiler, indestructible and ordered the Y stick from them as well! Lasted longer than any other toy I’ve given her. Kong who?
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Reviewed in the United States on May 4, 2026