grgmeda's articles:

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RS485 with SN75176 - TX collision 12 221 (3/15/2010 4:51:04 PM) comp.arch.embedded Hi, coming back after the RS485 bus has been setup. Going on investigating about possible problems, we've found that we're defenseless against transmitters collisions: if a slave get stuck in transmitter mod... djordj

Defining "firmware quality" 10 113 (3/10/2010 9:24:01 AM) comp.arch.embedded I've read "The Non-Quality Revolution" by Jack Ganssle @ Embedde.com (http://tinyurl.com/y9tspzl). What about the concept of achieving higher levels of firmware quality? How we can define it? Number of ... djordj

RS-485 Unterminated Bus and bias resistors 5 296 (3/9/2010 12:02:32 PM) comp.arch.embedded After looking at several application notes (by National, TI, B&B Electronic...) I can't understand if I can bias the two-wire bus without inserting a 120 ohm resistor between A and B cables. Reading B&B Elec... djordj