Digital Electronics Tester Module

Brand: PValley

Model: PH-2124S06

Country of Origin: China

Assemble/Manufacturer: Bangladesh

 

Technical Features:

This integrated educational trainer module is designed and fabricated within the institution for Digital Electronics Laboratory. It demonstrates fundamental and advanced digital logic circuits, covering Logic Gates, Encoder-Decoder, Adders, Counters, Flip-Flops, and Registers.
All six modules are mounted vertically on a single framed panel for demonstration and student practical use.

Technical Specifications:

 A. Logic Gate Module

• Parameter Specification
  • Gates Included AND, NAND, OR, NOR, XOR, XNOR
  • Additional Input Sensor Input (LDR/IR/Touch sensor)
  • Input/Output Indicators LED indicators for logic levels
  • IC Series TTL/CMOS (74 series ICs)
  • Switch Push button
  • Supply Voltage +5V DC regulated
  • Function Demonstration of basic logic functions and truth tables

 B. Encoder-Decoder Module

• Parameter Specification
  • Encoders 4-to-2 line and 8-to-3 line encoder circuits
  • Decoders 2-to-4 line and 3-to-8 line decoder circuits
  • Display LED output display
  • Switch Push button
  • Supply +5V DC regulated
  • Function Demonstration of coding and decoding logic operation

 C. Adder Module

• Parameter Specification
  • Circuits Included Half Adder, Full Adder, 3-bit Binary Adder, Serial Binary Adder
  • Input/Output Indication LEDs and toggle switches
  • Switch Push button
  • Supply +5V DC regulated
  • Function Demonstration of binary addition process using logic gates

 D. Counter Module

• Parameter Specification
  • Circuits Included Asynchronous Ripple Counter, Synchronous Counter, Johnson Counter, Ring Counter
  • Clock Source On-board pulse generator with variable frequency
  • Display 4-bit binary LED display
  • Switch Push button
  • Supply +5V DC regulated
  • Function Demonstration of various counting operations and timing sequence

 E. Flip-Flop Module

• Parameter Specification
  • Types Included Bistable SR Latch, Level-Triggered Clocked SR Latch, Edge-Triggered SR Flip Flop, Level-Triggered JK Latch, Edge-Triggered JK Flip-Flop, D Flip-Flop, T Flip-Flop Clock Source Built-in clock pulse generator
  • Indicators LEDs for Q and Q? outputs
  • Switch Push button
  • Supply +5V DC regulated
  • Function Demonstration of bistable and sequential switching circuits
    F. Register Module

• Parameter Specification
  • Circuits Included Serial-in Serial-out (SISO), Serial-in Parallel-out (SIPO), Parallel-in Parallel-out (PIPO), Buffer Register
  • Clock Input: On-board or external clock
  • Indicators LED output display
  • Switch Push button
  • Supply +5V DC regulated
  • Functional Demonstration of data storage and shifting operations

1. G. General Construction

• Parameter Specification
  • Frame Type Vertical metallic/aluminum frame with six detachable acrylic panels
  • Panel Size Approx. 12 inch × 12 inch each
  • Total Size Approx. 1000 mm × 600 mm × 200 mm
  • Material PCB board/Acrylic sheet/Aluminum frame
  • Finish Powder-coated frame, printed labels, and schematic diagrams
  • Safety-fused DC line with over-voltage protection
  • Supply 230V AC input with 5V regulated DC output supply
  • Durability: Lab-grade, robust structure for frequent student use

Educational Objective:

• To provide hands-on training on digital logic circuits.
• To demonstrate combinational and sequential logic design.
• To enable understanding of binary operations, counting, and data storage.
• To help students design, test, and troubleshoot real digital systems.

Fabrication Details:

This trainer system will be locally fabricated using standard digital ICs (74-series TTL/CMOS), resistors, LEDs, switches, sensors, acrylic panels, and metal framing. All modules are interconnected and powered through a central 5V regulated power supply.
It will be considered under Raw Material Head (Lab Development Purpose)