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ET361 · Digital Displays, Counters and Registers

Digital Displays, Counters and Registers

A course package for the ET platform: a display card with a digital pulse counter and an analog bar-graph voltage indicator, a Counters & Dividers card and a Registers & Multiplexers card for sequential logic, all powered by the base system at safety extra-low voltage, with guided multimedia courseware for the study of signal visualization and sequential circuits.
Experiments
  • Counting digital pulses and events in real-time
  • Resetting and managing digital clock/counter circuits
  • Visualizing analog voltage levels using a multi-segment LED bar-graph
  • Comparing digital numeric displays against analog visual indicators
  • Practical applications in industrial instrumentation and dashboard displays
  • Displaying binary numbers on LEDs and LED displays
  • Asynchronous (ripple) 4-bit counter
  • Synchronous counter and decimal (decade) counter
  • Counters for special codes - Johnson counter
  • Frequency divider circuits
  • Registers and shift registers
  • Serial and parallel data exchange
  • Multiplexers and demultiplexers
ET361 Display, Counters and Registers experiment cards
Description
    The platform teaches the fundamentals of displaying measured signals and of sequential logic through guided, hands-on experiments. The Display Card carries one 4-digit Digital Counter and one 10-segment Bar-Graph Indicator. The Counters & Dividers Card carries an asynchronous 4-bit ripple counter and a synchronous counter that works in binary or, with its link fitted, as a decade counter and divider. The Registers & Multiplexers Card carries a 4-bit universal shift register and a multiplexer feeding a demultiplexer. Every output has an LED and a measuring socket, so states can be read directly or acquired with the ET300 digital I/O. The supply comes from the ET300 base system. Accessible measuring points (CLK, RST, VIN, GND) allow students to patch in signals from various sensors and conditioning cards for immediate visual feedback.
Courseware
    The interactive multimedia course combines theory with guided experiments: binary/decimal counting, analog-to-digital display conversion, the human-machine interface (HMI) aspects of electronic instrumentation, asynchronous and synchronous counters, dividers, shift registers, serial and parallel data exchange, and multiplexing. Student answers are evaluated automatically, and the full course - at least 12 hours of directed instruction (4 hours per card) - includes self-assessment.
Scope of delivery
  • ET361 Display Card with Digital Counter & Bar-Graph
  • Counters & Dividers Card (asynchronous and synchronous / decade counters)
  • Registers & Multiplexers Card (shift register, multiplexer / demultiplexer)
  • Storage case
  • Multimedia course software with course browser
  • Connection cables
Specifications
    Experiment cards Display Card, Counters & Dividers Card, Registers & Multiplexers Card
    Key components 4-Digit 7-Segment LED Display, 10-Segment LED Bar-Graph; 74HC74, 74HC163, 74HC194, 74HC153, 74HC139; output LEDs
    Measuring points Clock (CLK), Reset (RST), Voltage Input (VIN), Ground (GND); counter and register inputs and outputs Q0–Q3, RCO, SER, D0–D3, S0/S1, MUX/DEMUX I0–I3, A, B
    Supply Fixed ±15 V and +5 V from base system, safety extra-low voltage
    Measurement Direct visual display on the card hardware; ET300 16-channel digital I/O
    Course duration Min. 12 hours of guided instruction, with self-assessment
    Base system Requires ET300 (interface + experimenter) - not included

Part of package

Electrical Engineering Training System

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A modular electrical-engineering training platform built around virtual instrumentation. The ET300 base system hosts a family of course modules covering three-phase systems, multimeter measurement, network analysis, and sensor measurement technology for non-electrical quantities.

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