Tagged Questions
1
vote
3answers
1k views
Is there another Arduino ethernet module besides the “Arduino Ethernet Shield”?
On the official Arduino website only the Arduino Ethernet Shield is referenced for Ethernet programming. Are there any other modules for Ethernet on the Arduino?
6
votes
3answers
637 views
Ethernet.begin() only works with SD Card removed - why?
When I run this code on my W5100 Ethernet Shield:
byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
void setup() {
Ethernet.begin(mac);
}
it only works ...
1
vote
3answers
2k views
How to avoid SD Card and W1500 SPI mixup on the Ethernet Shield?
In an answer Kevin Mark points to a solution/reason for the usage of the Ethernet shield together with the SD Card. The documentation says that SD Card and the Ethernet chip both share the SPI bus and ...
2
votes
3answers
839 views
Strange I2C behavior: sometime it works, some time it doesn't
I am using Arduino Ethernet with PoE and Arduino Uno boards. In recent days I implemented a working I2C bus by using the Wire library and all it seemed almost to ...
2
votes
2answers
7k views
Arduino Ethernet shield: it just won't work!
I have an Arduino Ethernet shield on top of an Arduino Mega2560 and have connected the Mega2560 through serial to my laptop and through the UTP port on the Ethernet shield to my router.
I've tried ...
3
votes
2answers
1k views
Why is my Arduino Ethernet shield getting hot?
I just got an Ethernet shield, but I'm having some problems. After about a minute of being powered, it gets fairly hot. The PWR light is red, but otherwise, it works fine.
I'm using an Arduino Uno ...
0
votes
0answers
559 views
Arduino DHCP error
I'm testing the Ethernet Shield with and Arduino Uno and I'm getting a DHCP error just using the example sketch.
...
