Hello all ,
I am new in this all . Actually i am looking for screw terminal shield for arduino mega 2560 and arduino uno . Which have to compatible with Ethernet shield w5100.
Could someone has used already then pleae let me know . Also how much current it will drawn ?.
Thanks 
Search this forum using the "Search Forum" tag up to the right. One helper has been selling screw block shields. Sadly I don't remember his name.
I think that is a tall order. I don't believe there is a W5100 shield for Mega. The Uno-sized one works fine with both. This implies a Uno-sized screw terminal shield only, or some smarty-farty long pins to cover the gap, or another terminal board for the extra Mega pins. All are do-able - by you.
Literally more hits than I will list at search words
arduino screw terminal shield uno mega
Using web search is a skill to develop, it's like being able to shop for yourself or cutting your own food.
Shipping for this costs more than 1 $7.50 set, I'd get > 1 set.
Hi thnks but small question if i stack it on arduino board for example on mega 2560 then after that i have to stack w5100 module which i think cant able to fit on iscp pin . So to work this all i can use long header pin on that ?. This work ?
There are many shield choices and if you stack shields then what order and as you state, can headers fit in make it Lego like.
To tell the truth, I am more of a jumpers/cables and modules than shields person. I'd rather have a metal frame to attach parts into and use as a solid ground. But since I haven't built big but concentrated on learning small well, what do I know?
I do like those pieces of shield screw terminal mini boards though. Just not sure what else I'd buy. Last week I bought from DFRobot (they make those) an RPi5, 2 Fire Beetles and a Gravity IO terminal expander for one and a PICO 2 with Gravity IO expander for that and jumpers/clips just to fill the box more and have things not packed away... but I didn't get USB with micro ends, it's hard to say when I want to go through the wait for delivery again.
True, hence my comment. While shields are the way to go, nobody has ever made the perfect shield, and only you will make one to entirely suit your needs.
In the light of that, I withdraw my comment about a custom shield with extra long legs to reach down to a Mega board, you already need long pins to keep clear of the ethernet socket.
thanks for the picture. Here i want to say in my setup for eexample i need to use this pin of mega 2560 back word raw of mega like 5v..22..24..26....50.....52...gnd this raw so can i do like take strip board then at one end i solder header then on another side screw terminal then i simply stack on that raw this way can get use this pin at screw terminal?. And then i can stack also w5100 because icsp pin still accessible right.
This approach make sense ? . If yes then please suggest which header pin have to solder on strip board so it will connect mega in good way.
Thanks I
Hi @js13.
That is correct. The product suggested by @GoForSmoke doesn't have a provision to pass through the ICSP header on the board to a shield that is plugged on top of those screw terminal adapters.
Great thinking! A 2x3 long pin female header will work well to connect the ICSP header from the board to the top header.
Alternatively, you can purchase a shield that does pass through the ICSP header. I see one here:
This shield has the UNO form factor. It is compatible with the Mega board in addition to the Uno board, so it will be well suited if you need to use it with both boards. However, it doesn't provide screw terminals for the additional pins specific to the Mega boards, so if you need screw terminals for all the pins of the Mega board then that specific shield won't be suitable.
As for a shield that does provide screw terminals for all the Mega board's pins, I know that one is for sale on the website of our departed forum member @CrossRoads:
The last I heard, these products are still available for purchase, so if you are interested in that product then you can send an email to the address provided on the Cross Roads Electronics website to inquire about ordering one.
The terminal adapter suggested by @GoForSmoke and the Cross Roads Electronics shields won't draw any current at all. They simply make an electrical connection between the female headers on the board and the screw terminal.
The Adafruit shield does draw some current because it has two LEDs. I would guess it will be less than 10 mA. If you don't want that, you can simply skip populating the LEDs when assembling the shield. They are purely optional convenience features of the shield and it will work just as well without the LEDs.
This is not very clear but you do mention solder, so you might be better off using a cheap Mega proto board, like that below.
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