multiple inputs for pc can anyone offer a suggestion on a problem i am having i have several boards whose sole purpose is to decode dtmf tones and send the resultant in ascii to a pc these boards run on the serial interface i need to run of the boards somwehat simultaneously i need to be able to ho ok them up to a pc the problem is how do i hook up serial devices to one pc inexpensivley so that all can send data simulataneously or close to it any help would be greatly appreciated abhin singla
