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Ultra-Small GPIO Terminal Block Breakout Board Module for Arduino UNO R3

4.7 4.7 out of 5 stars 58 ratings
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  • The item has been soldered and assembled. Support for Arduino Uno R3.
  • Terminal block pitch 2.54mm/0.1", wire size range 28AWG to 18AWG, strip length 4.5mm, screw M1.6 steel, pin header and cage copper.
  • FR-4 fiber glass PCB, dual copper layers.
  • Pin header connect to Arduino board. The breakout board is firmly fixed to Arduino-Uno through standoffs and nut, and will not shake.
  • Packing list: 2x(1 set, A and B each one) terminal block breakout modules, 4x 11mm nylon standoffs. 4x 6mm nylon standoffs. 4x nylon nuts, 1x small slotted screwdriver (NOTE: the item not include Arduino Uno module).

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Product details

  • Package Dimensions ‏ : ‎ 3.43 x 2.6 x 1.02 inches; 1.23 ounces
  • Item model number ‏ : ‎ MD-D1408-1
  • Date First Available ‏ : ‎ December 11, 2019
  • Manufacturer ‏ : ‎ CZH-LABS
  • ASIN ‏ : ‎ B08XWCN43C
  • Customer Reviews:
    4.7 4.7 out of 5 stars 58 ratings

Product Description

1, The item has been soldered and assembled. Support for Arduino Uno R3.
2, Terminal block pitch 2.54mm/0.1", wire size range 28AWG to 18AWG, strip length 4.5mm, screw M1.6 steel, pin header and cage copper.
3, FR-4 fiber glass PCB, dual copper layers.
4, Pin header connect to Arduino board. The breakout board is firmly fixed to Arduino-Uno through standoffs and nut, and will not shake.
5, Packing list: 2x(1 set, A and B each one) terminal block breakout modules, 4x 11mm nylon standoffs. 4x 6mm nylon standoffs. 4x nylon nuts, 1x small slotted screwdriver (NOTE: the item not include Arduino Uno module).

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Customer reviews

4.7 out of 5 stars
4.7 out of 5
58 global ratings
Nice solution to attach wires to Arduino projects!
5 Stars
Nice solution to attach wires to Arduino projects!
I really like these terminal blocks. They give you a nice easy way to attach wires to your Arduino GPIO pins. I only needed one of them for my project, and the other one wouldn't fit on my relay board, but it's no fault of the terminal block, it's the relay board blocks off where the last 2 pins should go with its own relay connection block. I could cut off the pins if I really wanted to install one on top of a relay board on that side, but I don't need any connections there, so I decided to save it for another project. I also haven't installed the stand offs and screws yet, because the pins on the relay board are too short and I needed to put extensions in to prevent the relay board from shorting out on the Ethernet connector, so now I need some custom standoffs to make it work. Again, it's not any issue with this product, it's the relay board with the issues. It does work well enough on my workbech without the standoffs.
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Top reviews from the United States

Reviewed in the United States on October 12, 2023
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5.0 out of 5 stars Nice solution to attach wires to Arduino projects!
Reviewed in the United States on October 12, 2023
I really like these terminal blocks. They give you a nice easy way to attach wires to your Arduino GPIO pins. I only needed one of them for my project, and the other one wouldn't fit on my relay board, but it's no fault of the terminal block, it's the relay board blocks off where the last 2 pins should go with its own relay connection block. I could cut off the pins if I really wanted to install one on top of a relay board on that side, but I don't need any connections there, so I decided to save it for another project. I also haven't installed the stand offs and screws yet, because the pins on the relay board are too short and I needed to put extensions in to prevent the relay board from shorting out on the Ethernet connector, so now I need some custom standoffs to make it work. Again, it's not any issue with this product, it's the relay board with the issues. It does work well enough on my workbech without the standoffs.
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Reviewed in the United States on July 29, 2023
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Reviewed in the United States on January 28, 2024
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4.0 out of 5 stars The screwdriver IS tiny
Reviewed in the United States on January 28, 2024
This pair of terminal blocks for the Arduino is very nice. Very easy to install, and the kit comes with an assortment of nylon standoffs, some nuts and a screwdriver. As this particular board was already mounted on a RAB (Raspberry PI, Arduino and breadboard) base, I didn't bother using the standoffs. The only really peculiar feature of the breakout is on the left in the photo, and that is the three points with no connection. They are labeled 5V GND 5V, but only the GND has a trace on the PCB which connects to another GND. I checked the manufacturer's website, but there were no schematics, wiring diagrams or verbiage indicating the purpose of these additional connection points.
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Reviewed in the United States on March 8, 2024
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Reviewed in the United States on March 9, 2024
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