GPIO screw terminal HAT for Raspberry Pi adds LEDs and GPIO markings

Screw terminals provide a more secure way of connecting wires to products that may be exposed to vibrations and shocks, and in the past, we’ve seen Pi-oT MKR module enclosure that routes Raspberry Pi GPIO’s to screw terminals, and also happens to include a breadboard area.

52Pi has come up with another product with screw terminals designed for Raspberry Pi boards, but more geared towards education as the company’s “GPIO screw terminal HAT for Raspberry Pi” exposes all I/Os from the 40-pin expansion headers and adds an LED to each pin.

GPIO screw terminal raspberry pi

That means you don’t need to search for “Raspberry Pi pinout diagram” on the web or reach out for a printout each time you plan to wire your project as the main function of each pin is clearly marked on each screw terminal.

It’s an easy way to teach about GPIO since the LED will be turned on and off according to the pin level, or you could even use it for debugging using those user LEDs. That’s all there is to it. You can see the board in action in the (unnecessary long) video below.

The screw terminal HAT for Raspberry Pi works with all relatively recent versions of the popular SBC, namely Raspberry Pi 4 Model B, Raspberry Pi 3 Model B/B+, Raspberry Pi Zero (W). Raspberry Pi 2 Model B, and Raspberry Pi Model B+.

The HAT ships with four M2.5 copper stands, four M2.5 screws and nuts, a screwdriver, and a GPIO pinout tape. It can be purchased for $13.90 plus shipping on Aliexpress, Seeed Studio, and Amazon.

Raspberry Pi 4 screw terminal expansion board

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5 Comments
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sander
sander
1 year ago

Oh, wow, that is beautiful!

sander
sander
1 year ago

“works with all recent model B versions of the SBC, namely Raspberry Pi 4 Model B, Raspberry Pi 3 Model B/B+, Raspberry Pi Zero (W).”

Hmmm, how does that work with the Raspberry Pi Zero (W)?

sander
sander
1 year ago

Oh, wait: TIL: you can solder the GPIO header on the Raspberry Pi Zero (W)

itchy n scratchy
itchy n scratchy
1 year ago

Would love a version w/o the screw terminals soldered on, as there are myriads of footprint compatible better terminals/connectors from the likes of Wago, Phoenix, Weidmueller, based on the much easier to handle cage clamp tech. i.e.

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