ethernet

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DHT22 (sensor) to Pachube via Arduino with Ethernet shield error

I\'m trying to connect a DHT22 sensor to the Pachube online service. I am understanding the code and have everything wired up correctly but I get this error:[详细]

2023-04-11 23:01 分类：问答
simple explanations for macsec and ipsec

I need to implement IPSEC and MACSEC transformations on ethernet packets (i.e. I don\'t need to deal with setting up parameters, security associations, or key exchange issues, just do the transformati[详细]

2023-04-10 00:31 分类：问答
Need information on ethernet bootloader for AT32UC3A0512

I am planning to develop ethernet bootloader. So I wanted to modify the existing DFU Bootloader program. I want to delete the already existing bootloader on micro-controller flash and put my own bootl[详细]

2023-04-09 22:20 分类：问答
Arduino Ethernet and DHCP cannot communicate out to the Internet

I have this web client example that gets an IP address via DHCP. It connects to my router at IP address 192.168.0.1 successfully, but then it fails to send a GET HTTP to google.com. Essentially, I can[详细]

2023-04-09 06:06 分类：问答
MAC address randomly changes when bringing interface up [closed]

Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow.[详细]

2023-04-09 04:06 分类：问答
Is it possible to send UDP/TCP packets from Android to Arduino Ethernet shield?

Currently I am trying to send some UDP packets to the Arduino. I set up an Android device, PC, router, and Arduino Ethernet shield. (The Ethernet shield is connected to the router via an Ethernet cabl[详细]

2023-04-06 08:48 分类：问答
Is it required to use IPv6 for internal communication (e.x. intranet)?

I work on embedded project, where peripherals (cameras, storage, external devices) communicates through Ethernet. They are connected using multiple switches (using VLAN), but they are not exposed to e[详细]

2023-04-06 00:48 分类：问答
Can CSMA/CD in ethernet tell the sender when the client has gotten a packet that is "damaged"?

If a client receives a damaged packet then it will know that after comparing the packet\'s checksum to the one in the header.[详细]

2023-04-05 16:28 分类：问答
Using arduino Ethernet.h under Eclipse

I want to use eclipse for Arduino development and I have some issues. I use Eclipse + Eclipse AVR plugin + WinAVR. I managed to compile the Arduino core library into a static 开发者_如何学Golibrary.[详细]

2023-04-05 03:05 分类：问答
Ethernet device MTU setting implications in packet ingress path

What is the behavior of an ethernet device in the packet ingress path? If the sender is sending a larger-than-MTU frame, then:[详细]

2023-03-29 15:03 分类：问答