Embedded Systems Conference
Breaking News
Comments
Newest First | Oldest First | Threaded View
Crusty1
User Rank
Author
Re: Screw-Block Shield
Crusty1   2/19/2014 2:22:57 PM
NO RATINGS
@ Duane, Yes I have used the adafruit units and they are fine. A second version of your card with onboard level shifters with patch pin selection would be even better.

Duane Benson
User Rank
Author
Re: Screw-Block Shield
Duane Benson   2/19/2014 1:55:23 PM
NO RATINGS
Crusty - I know what you mean about level shifters. I use some from Adafruit that are easy to use (http://www.adafruit.com/products/757). That's a good idea to add some in, but we won't be able to for this version.

Crusty1
User Rank
Author
Re: Screw-Block Shield
Crusty1   2/19/2014 10:29:45 AM
NO RATINGS
@Max, Duane,

I would like to see, if possible, a bank of bidirectional level shifters on the proto part of the board.

I am always running into different volatge levels when interfacing the Arduino boards with other periferals.

Great idea and I will back for certain.

 

Garcia-Lasheras
User Rank
Author
Re: Every day is a new adventure
Garcia-Lasheras   2/18/2014 8:00:19 PM
NO RATINGS
I wan one of those wonderful adaptors!! I'll follow Duane's & your project to pledge for one ASAP -- this is the best excuse I've found for testing an Arduino: a rough enough protoboard!!

Sergeant82d
User Rank
Author
Re: Screw-Block Shield
Sergeant82d   2/18/2014 7:49:00 PM
NO RATINGS
I see that now, but what I was getting at, was to free up (in the example in the article) the A4/A5 pins... so they are connected to the shield, but free on the Mega for other use. I guess we're talking about a 3-way switch equivalent, almost, since you already have seperate jumpers inside the board outline.

 

BTW, Big fan, Duane - I purchased several things from you in the past (Ham Radio related items).

Duane Benson
User Rank
Author
Re: Screw-Block Shield
Duane Benson   2/18/2014 7:37:43 PM
NO RATINGS
Sergeant82d - If I understand what you are asking correctly, we do have such a double row of jumpers. They are just on the inside of the standard header blocks. The jumpers allow the screw-terminals to connect directly to the Arduino pins, or be kept separate and used in the proto area.

Sergeant82d
User Rank
Author
Screw-Block Shield
Sergeant82d   2/18/2014 7:12:25 PM
NO RATINGS
Max, why not make the board a bit wider (.4 inches, MoL), and put in a double row of pin headers between the board connectors and the screw connectors on each side? Then you can either jump or open the block connectors and still have all pins available. Just a thought.

Clive
User Rank
Author
Every day is a new adventure
Clive"Max"Maxfield   2/18/2014 5:43:45 PM
NO RATINGS
It really is a funny old world. It was probably only a year or so ago that I first heard of Kickstarter. I thought "that's a great idea," and I've supported a few interesting projects here and there, but I never really thought of doing one myself.

Then, a month or so ago, I saw a screw-block prototyping shield for an Arduino Uno, and I thought "that would make my life so much easier for my projects" -- but no one makes one for the Arduino Mega.

So I called up my chum Duane, who lives at the other side of the country, and explained what I was looking for. Duane also plays with the Arduino, and he agreed this would be jolly useful, so we bounced ideas back and forth and came up with what I think is a rather cunning implementation (especially with regard to the way you can link header pins to their screw-block counterparts, or you can insert circuitry between them if you wish).

So Duane designed the prototypes while I blogged about them. The funny thing was that we received so many emails from people wanting to get their hands on these proto-shields that Duane said "What about doing this as a Kickstarter project, because if we get enough people interested we can make these much more cheaply" ... and so that's what we're going to do.

Watch this space for future blogs on this topic...



Radio
LATEST ARCHIVED BROADCAST
As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

Datasheets.com Parts Search

185 million searchable parts
(please enter a part number or hit search to begin)
Most Recent Comments
rick merritt
 
antedeluvian
 
Susan Rambo
 
David Ashton
 
elizabethsimon
 
MeasurementBlues
 
MeasurementBlues
 
David Ashton
 
David Ashton
Most Recent Messages
2/10/2016
8:49:57 PM
Like Us on Facebook
Special Video Section
The LTC®6363 is a low power, low noise, fully differential ...
Vincent Ching, applications engineer at Avago Technologies, ...
The LT®6375 is a unity-gain difference amplifier which ...
The LTC®4015 is a complete synchronous buck controller/ ...
10:35
The LTC®2983 measures a wide variety of temperature sensors ...
The LTC®3886 is a dual PolyPhase DC/DC synchronous ...
The LTC®2348-18 is an 18-bit, low noise 8-channel ...
The LT®3042 is a high performance low dropout linear ...
Chwan-Jye Foo (C.J Foo), product marketing manager for ...
The LT®3752/LT3752-1 are current mode PWM controllers ...
LED lighting is an important feature in today’s and future ...
Active balancing of series connected battery stacks exists ...
After a four-year absence, Infineon returns to Mobile World ...
A laptop’s 65-watt adapter can be made 6 times smaller and ...
An industry network should have device and data security at ...
The LTC2975 is a four-channel PMBus Power System Manager ...
In this video, a new high speed CMOS output comparator ...
The LT8640 is a 42V, 5A synchronous step-down regulator ...
The LTC2000 high-speed DAC has low noise and excellent ...
How do you protect the load and ensure output continues to ...