??? What is the 3 pin T0-92 "unknown" used for? It's located above the pic of the breakout module.

Not 3 pin, it is a 2x3Pin, for ICSP

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Screw Terminal Block Breakout Shield Module for Arduino MEGA-2560 R3

Screw Terminal Block Breakout Shield Module for Arduino MEGA-2560 R3

Product ID: 243378022

Details

Brand
HCDC
Connector Type
Screw
Gauge
26
Item Pitch
3.5
Material
Copper
Mounting Type
PCB Mount

⚡Supports 26-16 AWG wire range

🔩54 robust screw contacts

🛠️Durable FR-4 dual-layer PCB

HK$415

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Description

🔧 Elevate your Arduino game with pro-grade connectivity!

INDUSTRIAL GRADE BUILD - M2 steel screws & copper cage ensure long-lasting reliability
POWER ON LED INDICATOR - Instant visual confirmation of active power status
WIDE WIRE COMPATIBILITY - Handles 26AWG to 16AWG for versatile project needs
USER FRIENDLY RESET BUTTON - Quick system resets without hassle, right at your fingertips
PRECISION 3 5 MM TERMINAL PITCH - Optimized for seamless Arduino MEGA-2560 R3 integration

The Screw Terminal Block Breakout Shield Module is a precision-engineered accessory for Arduino MEGA-2560 R3, featuring 54 screw terminals with a 3.5mm pitch, supporting wire gauges from 26AWG to 16AWG. Built on a durable FR-4 dual copper layer PCB with industrial-grade M2 steel screws and copper cages, it includes a power-on LED and a convenient reset button, delivering reliable, professional-grade connectivity for complex electronics projects.

Specifications

ASIN	B08LH8SVBB
Best Sellers Rank	#81,658 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #104 in Ground Circuit Terminal Blocks
Brand Name	HCDC
Connector Type	Screw
Customer Reviews	4.6 4.6 out of 5 stars (88)
Gauge	26
Item Dimensions W x H	4.01"W x 0.87"H
Manufacturer	Xiken Electronic Technology Co., Ltd.
Material Type	Copper
Model	HD025
Mounting Type	PCB Mount
Number Of Contacts	54
Number Of Poles	18
Number of Positions	18
Part Number	HD025
Pitch	3.5 millimeters

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TrustScore 4.5 | 7,300+ reviews

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HK$415

Duties & taxes included

In stock

Sold byAmazon Hong KongDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Hong Kong.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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The delivery time was excellent, and the packaging was secure.

2 months ago

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