![]() ![]() Although I’ve bought it a couple of years ago you can still find many if those especially in alibaba and quite cheap. Components USR-TCP232-24Īll you actually need is a USR-TCP232-24 board. Also, ArtNet is an open and well defined protocol that can be found here (the link points always in the latest version which now is 4 but at the time I’ve written the code was in v.3). For the TCP/IP stack I’ve chosen uIP as it the most light-weight stack and it’s also easy to expand, as it doesn’t support all the things are needed (like udp broadcast and multicast). To do that I needed a TCP/IP stack and also implement the basics of the ArtNet protocol. Anyway, I decided to implement an ArtNet DMX512-A controller to controll DMX loads via Ethernet. You can do a lot of great stuff with this combo. A couple of years ago, I’ve found in e-bay some nice and cheap RS232/485 to ethernet modules from usriot and I’ve bought them to play with them at some point as they had an LPC1114 controller, a DM9000 ethernet MAC and an UART interface configured as RS232 or RS485. ![]() This time we’ll do some hacking and by that I mean that we’ll take an already existing device and alternate it to do something else.
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