The shield tag has no wiki summary.
0
votes
0answers
27 views
LCA710 SSR vs. a “power transistor” for electric strike shield?
I am starting on a design for a new Arduino shield that will be used to trigger an electric door strike. My old design for this shield used a mechanical relay, mostly because I had one around at the ...
4
votes
7answers
152 views
Why does an XLR connector use 3 pins instead of two
Why does XLR connectors use 3 pins instead of just 2. The wiring is
...
20
votes
3answers
427 views
Correct place to attach shields for twisted pairs
I have two PCBs connected by a cable containing 5 sub-cables:
6v power through a custom made coaxial cable (similar to that found on laptop power supplies).
2x 100mbps LVDS through 100ohm impedance ...
3
votes
2answers
155 views
Maximum power for Arduino Monster Moto Shield
I'm reading the specs for the SparkFun Monster Moto shield which specifies that
Max Voltage is 16V
Maximum Current 30A
Given Ohm's law, does that mean that the maximum power is 480 watts? That ...
1
vote
2answers
339 views
Can I use both a wifi shield and an LCD shield on my Arduino Uno?
I got an Arduino Uno for Christmas and just ordered this wifi shield, but I'd like to use it with an LCD shield. Can I just stack the LCD shield onto the wifi shield? Do I need any extra hardware to ...
6
votes
2answers
2k views
Solution for level-translation (3.3V Arduino Due <-> 5V shield)
The new Arduino Due board has its microcontroller running at 3.3V, but unfortunately most standard Arduino add-on shields (boards) run at 5V, thus their I/O signals are at different logic levels.
The ...
5
votes
2answers
241 views
How is this crystal / ferrite bead / ground shield connected?
This is part of the schematic for a TI TAS1020B USB Streaming Controller MCU that I don't quite understand. Obviously the shield connects to one end of the ferrite bead, but what else? Are the XTAL ...
1
vote
1answer
43 views
WiFi shield not present error
I just bought the Arduino Wifi Shield. I've followed the setup instructions and uploaded their code but I get the error: "WiFi shield not present". No LEDS are ON on the Shield . I use the Arduino Uno ...
0
votes
1answer
939 views
Do I power a stepper motor with 24V and Arduino?
I am building a motorized barn door tracker using an Arduino UNO and a stepper motor I took from an old scanner (Mitsumi M35SP-7T). I have been unable to find the datasheet for this motor ...
2
votes
2answers
341 views
Where do I find a list of Arduino DIY shields
I am interested in Arduino shields for fun, so I do not have a specific need. To save money, I would like to build the shields myself. Is there somewhere I can see a list of the most common, simple ...
3
votes
2answers
2k views
How do I connect multiple shields to my arduino and have then all function?
I'm sorry if these are stupid questions but with my little knowledge about this stuff I don't really know any better.
My project is basically just a data logger storing the output from 3 ...
2
votes
2answers
740 views
Ethernet shield vs Wifly shield
I am trying to make a connection between smartphone and Arduino. I found a method which uses an Ethernet shield. Ethernet shield is connected to the router.
I wonder is Wifly shield is also a kind of ...
2
votes
3answers
1k views
How do I shield a card like Visa payWave and MasterCard PayPass to block its communication?
This is basically a replication of this question on Personal Finance SE. Suppose there's a wireless smart card like Visa payWave or MasterCard PayPass or MIFARE Ultralight. The owner wants to ...
2
votes
0answers
894 views
Arduino Uno + Ethernet Shield : 16x2 LCD Not Initializing
I have a 16x2 LCD shield that I have tested to be working fine when connected to arduino uno using the following pin connections:
3: RW
5: EN
6,7,8,9: DATA(4 bit mode)
The contrast is nice and dark ...
1
vote
0answers
149 views
DVI Shield pins
Should I connect the Shield pins (i.e. 3, 11, 19, and 22) on my DVI connector to GND on my PCB? What consequences might I expect if I leave the shield pins floating?
2
votes
1answer
337 views
programmer is not responding with stacked shields
I keep getting the following error when trying to upload my code with the Adruino IDE:
avrdude: stk500_recv(): programmer is not responding
I stacked the ...
0
votes
1answer
112 views
arduino shield proto KIT
Hi I have this proto kit shield - to make the history short, i bought long time ago, didn't touch it and i "found it" back today.
What I didn't find was a tutorial, assembly instructions or even a ...
2
votes
2answers
874 views
Low voltage motor with arduino
Would it be safe to use a 1.5 volt motor with the adafruit motor shield? It is rated for 4.5 to 36 volt motors so I am unsure what will happen. Also, what would be a good way to determine the voltage ...
17
votes
8answers
10k views
How to connect USB Connector shield?
How should I route USB Connector shield on PCB? Should it be connected to GND plane right where USB is placed, or should the shield be isolated from GND, or should it be connected to ground through ...
