A versatile data transmission training module

A versatile user-interactive data transmission training system, comprising a transmitter and a receiver section, is presented. The transmitter and the receiver can be used as separate units or can be coupled to form a complete system. There are four multiplexed analog inputs. The digital equivalent of these analog data are transmitted over a single wire. Digital data, counter states, and shifting processes are indicated by light-emitting diodes (LEDs). Analog input signals can be DC or AC. The transmission sequence can either be manually effected by the experimenter using momentary switches or can be operated automatically. The advantage of this design is that the operations of the various units, e.g. analog-to-digital converter (ADC), digital-to-analog converter (DAC), multiplexer, counters, etc., can be separately studied. In addition, the experiments can (by manual operation) monitor the sequence of events progressively, via LEDs, thereby providing a better understanding of the individual units