Did they ever fix the silk screen errors? I would not buy it with such a serious defect!

I have bought, assembled and used 3 of these boards (all Ver: 1.1) in the past year, and none of them have any errors in the silk screen. Perhaps there was a problem earlier that I never saw. All of the pads for the breakout connections to the headers that plug into the Mega board are correctly identified in the silkscreen using the same reference nomenclature as on the Arduino Mega, and they all are in the correct sequence. Maybe some were confused by the placement of the screw terminals due to physical space limitations, especially where needed for the break out of the double-row I/O connector. As a result of getting those 36 pins into a single row, those screw terminals actually wrap around onto the sides of the board. That in turn forces the breakout pad connections (along with their silk-screened IDs) to be pushed farther toward the other end of the board (especially on the side where the Arduino's digital pins D0 - D21 are located). That just means that the breakout pads are not immediately adjacent to the Arduino header pins they are connected to, not that they are wrongly marked. Long story short, if you go by the pin identification silk-screened on the breakout board, all of the actual connections to the Arduino Mega will be correct.

Does this board have the icsp header on it and enable pass though (e.g. for an ethernet shield?)

Samtec ESQ-103-14-G-D ( Digikey SAM9289-ND -or- Mouser 200-10314GD ) 6 pin header ( 2x3) will connect Arduino Mega to Arduino Ethernet 2 Shield.

Is there a CAD file of the assembled board available?

I don't know. I made my own CAD file.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Electronics-Salon Prototype Screw/Terminal Block Shield Board Kit for Arduino MEGA-2560 R3.

Electronics-Salon Prototype Screw/Terminal Block Shield Board Kit for Arduino MEGA-2560 R3.

Product ID: 25504680

Details

Brand
Centerline Length
3.5
Connector Type
Screw
Gauge
16
Item Pitch
3.5
Mounting Type
PCB Mount

📏Precise 2.54mm pitch grid

🔩84-pin terminal block array

🛠️Dual copper layer FR-4 PCB

AED 104

Duties & taxes included

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Description

🔧 Elevate your Arduino MEGA-2560 projects with pro-level precision and connectivity!

WIDE WIRE COMPATIBILITY - Supports 26-16 AWG wire gauge with secure M2 steel screws, perfect for reliable, high-quality connections every time.
PRECISION 2 54 MM PAD GRID - Ensure flawless component placement and soldering with industry-standard pitch spacing for seamless Arduino MEGA-2560 integration.
PREMIUM DUAL LAYER FR 4 PCB - Experience superior durability and signal integrity with a robust fiberglass PCB engineered for professional-grade projects.
FLEXIBLE MOUNTING ASSEMBLY - Customize your build with included female header sockets and multiple mounting options for ultimate prototyping freedom.
MASSIVE 84 PIN TERMINAL BLOCK - Connect with confidence using a versatile 3-pole and 2-pole terminal block setup designed for complex prototyping.

The Electronics-Salon Prototype Screw/Terminal Block Shield Board Kit is a high-quality, unassembled prototyping solution designed specifically for Arduino MEGA-2560 R3. Featuring a durable FR-4 dual copper layer PCB (120mm x 78mm), 84-pin terminal blocks with 3.5mm pitch, and versatile female header sockets, it supports a wide wire gauge range (26-16 AWG) and offers flexible mounting options. Ideal for engineers and makers seeking reliable, scalable circuit prototyping.

Specifications

ASIN	B00UT13YXA
Best Sellers Rank	#309,050 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #637 in Prototyping Boards & Accessories
Brand Name	Electronics-Salon
Centerline Length	3.5 millimeters
Connector Type	Screw
Customer Reviews	4.3 4.3 out of 5 stars (103)
Gauge	16
Item Dimensions W x H	4.72"W x 3.07"H
Item Weight	1.76 ounces
Manufacturer	Electronics-Salon
Model	MD-D269U-1
Mounting Type	PCB Mount
Number Of Contacts	84
Number Of Poles	84
Number of Items	1
Number of Positions	84
Part Number	43237-2
Pitch	3.5 millimeters
Upper Temperature Rating	100 °C

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