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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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4.1 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 5
great waterproof cell phone case.
needed a waterproof case for my cell phone when working Emergency Communications with my Amateur Radio equipment and it's raining or snowing. This should work well to protect my cell phone. Zipper seems are sealed really well. Tested the case using sink prior to using with a cell phone.
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Reviewed in the United States on March 31, 2025
★★★★★ 5
Well made and air tight
Love the little pouch it comes in handy for camping,hunting and fishing if your in not so great weather.
Not sure how the zipper is made but it's definitely air tight and can feel the difference when sealed.
The zipper is a little tough opening and closing but that's probably due to the nature of it being waterproof.
Hope it stays that way after long term use!
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Reviewed in the United States on September 28, 2024
★★★★★ 4
Nice pouch with a small opening
This is a nice weatherproof pouch.
It has enough slots for storage of small items like pen/pencil, small notebook, a bootable USB key (for emergency), and I have a fire starting kit in there.
It is well built, and I really like the materials used for this pouch. The design though, is less than stellar.
One thing, and this is a major issue for me, is that the zipper only opens at the top section of the pouch. I wish it opened more so it is easier to put things in and out of this. But I do understand that it is by design that they selected such a short zipper to keep it as weather proof as possible. The larger the zipper, the higher the likelihood of water leaking into the pouch.
Aside from that major issue, I do like the pouch, and I use it in my EDC bag.
If I need to replace this for some reason or another, I probably will not be buying this one again. I suspect that this will last a long time though.
Hope this helps.
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Reviewed in the United States on June 18, 2025
★★★★★ 5
Awesome
works great, I work wildland fire and am constantly covered in dirt and grim, sometimes even rain and this kept all my gear dry and clean!
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Reviewed in the United States on October 16, 2025
★★★★★ 3
dimensions are wrong
The dimensions listed in title are wrong. It is
4.5" x 7" x 1.625"
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Reviewed in the United States on March 3, 2026