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RPi GPIO Status LED & Terminal Block Breakout Board HAT for Raspberry Pi A+ 3A+ B+ 2B 3B 3B+ 4B

RPi GPIO Status LED & Terminal Block Breakout Board HAT for Raspberry Pi A+ 3A+ B+ 2B 3B 3B+ 4B

Q: has this been tested with POE hats or any other existing hats?

I originally installed a 3 relay contactor hat, but quickly grew out of that. I had to upgrade the power supply (Mean Well MDR-60-5) to 60 watts which powers the Pi (bypassing the micro USB port), 16 relay contactors (not all used), 8 sensors, and 4 3.3v step down regulators. The Pi is not a very good power source, especially 3.3v. All the gear is mounted on C45 DIN rails to avoid breadboards. All wire junctions are screw down like the this hat. Also the LEDs were very helpful in debugging. The code and it's relationship to the GPIO is quite complex. Latency and hysteresis were an ongoing challenge. I wouldn't cover the LEDs with another hat.

Q: According to diagram, the posts appear to be one way (diode) from the gpio head. can i send signal back to the pi from this breakout?

The diode is a led. Set the GPIO pin of your choice to output and the led will show the state of the output of that GPIO pin. Set the GPIO pin of your choice to input and the led will show the state of whatever is input to that GPIO pin.

Q: What are the length and width of the connector that fits onto the 40-pin header? I want to see if it will fit through the slot in the top of my case.

This is not the answer I was looking for. I would like to see if I can use this breakout box with the cover installed on my Raspberry Pi case. It has a slot 55 mm long X 8 mm wide. Will the header connector fit through this slot?

Q: Will it work with Pi Zero W?

Yes, the item can support Pi Zero W, But only two screw holes can be fixed.

Product ID: 384231630

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Details

Current rating
3 Amps
Item pitch
0.14 inches
Gauge
26.0
Connector type
Screw
Number of contacts
40
Mounting type
PCB Mount

🔴3.3V power LED indicator

🔵5V power LED indicator

🟢GPIO status LEDs

Frequently Bought Together

HCDC RPi GPIO Status LED & Terminal Block Breakout Board HAT for Raspberry Pi A+ 3A+ B+ 2B 3B 3B+ 4B

Raspberry Pi 4 Model B 2019 Quad Core 64 Bit WiFi Bluetooth (4GB)

Freenove Breakout Board for Raspberry Pi 5 / 4B / 3B+ / 3B / 3A+ / 2B / 1B+ / 1A+ / Zero 2 W/Zero W/Zero, Terminal Block Shield HAT with Pin Header, GPIO Status LED

Description

💡 Light up your Pi’s potential with instant GPIO clarity!

INSTANT GPIO INSIGHT - One-to-one LED mapping with Raspberry Pi pins for real-time logic level monitoring
ULTRA LOW POWER LE DS - Each LED draws only 0.1mA, ensuring zero interference with GPIO signals
DURABLE BUILD QUALITY - Premium nylon, alloy steel, and copper materials for long-lasting, reliable connections
ROBUST TERMINAL BLOCK - 3.5mm pitch terminal block supports 26-16 AWG wires with secure M2 steel screws
UNIVERSAL PI COMPATIBILITY - Seamlessly fits Raspberry Pi A+, 3A+, B+, 2B, 3B, 3B+, and 4B models

This breakout board HAT for Raspberry Pi models A+ through 4B features dedicated status LEDs for 5V (blue), 3.3V (red), and GPIO pins (green), providing immediate visual feedback on pin logic levels. Its low-current LEDs (0.1mA) ensure no signal interference, while the sturdy 3.5mm terminal block supports a wide wire gauge range with secure M2 steel screws. Crafted from durable nylon, alloy steel, and copper, this compact 6.5x6.5x2.77 cm module is pre-assembled for quick integration, making it an essential tool for professional makers and engineers seeking precise GPIO monitoring.

Specifications

Manufacturer	Xiken Electronic Technology Co., Ltd.
Part number	HD040
Item Weight	50 g
Product Dimensions	6.5 x 6.5 x 2.77 cm; 50 g
Item model number	HD040
Colour	blue, red
Material	Nylon, Alloy Steel, Copper
Voltage	3.3 Volts
Teeth Per Inch	0.14 inches
Plug profile	PCB Mount
Batteries included?	No
Batteries Required?	No

Have a Question? See What Others Asked

has this been tested with POE hats or any other existing hats?

According to diagram, the posts appear to be one way (diode) from the gpio head. can i send signal back to the pi from this breakout?

What are the length and width of the connector that fits onto the 40-pin header? I want to see if it will fit through the slot in the top of my case.

Will it work with Pi Zero W?

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