An enclosure for small electronic projects, with a matching perfboardDesigned by Island Robotics in United States of America
What is it? A plastic enclosure for small electronic projects, with a PCB to mount your components. It is intended to house a development board such as Adafruit Feather, NodeMCU, or Arduino Nano, and…Read More…
A plastic enclosure for small electronic projects, with a PCB to mount your components. It is intended to house a development board such as Adafruit Feather, NodeMCU, or Arduino Nano, and a small number of additional components.
It also includes a rubber grommet for routing the wires outside the enclosure - for example, for connecting a power supply, extra sensors, or other electronics .
The box itself is waterproof; the grommet is not waterproof, but provides limited protection from dust and splashes (see details below).
I had difficulty finding enclosures for my projects. Boxes themselves are easy to find, but if you also want an easy way of mounting your electronics inside, your choices become very limited. If in addition you are unwilling to pay more than $10 per enclosure, then essentially your only choice is Adafruit's Mint Tin with matching perfboard, which is not adequate for many of my projects. So I set out to make my own.
Box outside dimensions: 85x58x33 mm (not including mounting flaps)
Mounting holes: 3.2mm diameter, spaced 96 mm apart
Inside dimensions: (approximate) 77x52 mm
Inside height (from top of PCB to the lid): 22mm
The PCB is designed to perfectly fit inside the enclosure. It is designed for easy mounting of a board such as Arduino Nano or Adafruit Feather, or any other board which has one row of pins (up to 16) on each side, with two sides spaced 0.6"-1.0" apart. This includes Adafruit Feather, Arduino Nano, Arduino MKR, NodeMCU, and many other boards. The boards can be directly soldered to the PCB, or, more commonly, plugged into female headers soldered to PCB (headers are not included). For each pin, the PCB provides a group of 3 interconnected holes, for easy connections.
The PCB also contains:
To connect your project to the outside, you can use the included rubber wire grommet, cutting it open and drilling a hole in the enclosure as detailed below. It is not waterproof, but does provide limited protection from dust and splashes; you can add silicone sealant to make it more weatherproof.
You can also use a PG-7 cable gland (not included), which allows you to make a waterproof connection. However, cable gland is less convenient, as you can only run wires up to 6mm diameter through it; if you have a wire with a connector (e.g. USB cable or JST PH connector), you would need to cut it, run it through the gland, and then resolder. With cut grommet, you can use wires with connectors without cutting them.
To install the grommet and route wire through it, follow these steps:
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