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Digital Logic Trainer Kit8085 Microprocessor KitEncoder & Decoder Trainer4-Bit Counter KitADC / DAC ConverterFlip Flop TrainerPower Supply + BreadboardBanana Connector CablesTrusted Electronics Lab Equipment Digital Logic Trainer Kit8085 Microprocessor KitEncoder & Decoder Trainer4-Bit Counter KitADC / DAC ConverterFlip Flop TrainerPower Supply + BreadboardBanana Connector CablesTrusted Electronics Lab Equipment
Trusted Electronics Lab Equipment

Built for Precision,
Trusted by Colleges

R.B. Electronics manufactures, supplies and services high-quality electronics laboratory training kits for engineering institutions across Nepal — from logic trainers to microprocessor kits.

11+
Product Types
3✦
Core Services
100%
Quality Tested
KTM
Kathmandu, Nepal
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7400 74138 74 193 R.B. ELECTRONICS · KTM
✓ OK TESTED 🇳🇵 MADE IN NEPAL
About Us

Nepal's Trusted Electronics
Lab Equipment Company

R.B. Electronics , is a Kathmandu-based manufacturer and supplier of electronics laboratory training kits for engineering colleges and technical institutes across Nepal.

Every kit we make carries the R.B. Electronics, KTM mark — trusted by institutions nationwide for reliability and performance.

🏭

In-House Manufacturing

All products designed and assembled at our Kathmandu facility with complete quality control.

🔧

Repair & Maintenance

Expert servicing of all lab equipment with quick turnaround and genuine parts.

🎓

Technical Training

Hands-on training for students and instructors on equipment usage and experiments.

Address

Kumarigal, Kathmandu-08
Kathmandu, Nepal

Phone / WhatsApp

+977 986-0010940
Featured Products

Our Best Selling Kits

Quality-tested electronics lab training equipment manufactured in Kathmandu.

Digital Logic Trainer KitBest Seller

Digital Logic Trainer Kit

Study of Logic Gates, Boolean Identities & De-Morgan's Laws using TTL ICs.

Specifications
  • NAND(7400), NOR, AND, OR, X-OR gates
  • Boolean identities verification
  • De-Morgan's theorem experiments
  • 24 logic input toggle switches
  • Color LED output indicators
  • 2mm banana jack I/O terminals
  • Built-in regulated power supply
NAND GateNOR GateX-ORBoolean Logic
Manufactured
Flip Flop Trainer Kit

Flip Flop Trainer Kit

Complete RS, D, JK & T Flip Flop study using NAND Gates and TTL ICs with clock pulse generation.

Specifications
  • RS & D Flip Flop (IC 7400/7410)
  • JK & T Flip Flop (IC 7410)
  • D Flip Flop — IC 7474
  • JK Flip Flop — IC 7476
  • Variable clock pulse generator
  • SET/RESET/CLOCK inputs
  • Q and Q-bar LED output indicators
RS Flip FlopJK Flip FlopD Flip FlopTTL ICs
Manufactured
Encoder & Decoder Trainer Kit

Encoder & Decoder Trainer Kit

Study of Encoder and Decoder circuits with BCD to 7-Segment LED display for digital electronics labs.

Specifications
  • Priority Encoder: IC 74148 (8-to-3)
  • Decoder: IC 74138 (3-to-8)
  • BCD-to-7-Segment: IC 7447
  • 7-Segment LED display output
  • 8 logic input toggle switches
  • Color-coded banana jack terminals
  • Separate ON/OFF power switch
74138741487-SegmentBCD
Manufactured
Why Choose Us

The R.B. Electronics Advantage

Quality Tested

Every unit is OK-tested before delivery — reliable classroom performance guaranteed.

🇳🇵

Made in Nepal

Locally manufactured supporting Nepal's technical education and economy.

Fast Delivery

Bulk orders fulfilled quickly with secure packaging for delivery across Nepal.

🤝

Direct Support

Reach us on WhatsApp for fast, personal service with no middlemen.

Our Products

Precision-manufactured & supplied electronics lab training kits for engineering education

Digital Logic Trainer KitBest Seller

Digital Logic Trainer Kit

Study of Logic Gates, Boolean Identities & De-Morgan's Laws using TTL ICs.

Specifications
  • NAND(7400), NOR, AND, OR, X-OR gates
  • Boolean identities verification
  • De-Morgan's theorem experiments
  • 24 logic input toggle switches
  • Color LED output indicators
  • 2mm banana jack I/O terminals
  • Built-in regulated power supply
NAND GateNOR GateX-ORBoolean Logic
Manufactured
Flip Flop Trainer Kit

Flip Flop Trainer Kit

Complete RS, D, JK & T Flip Flop study using NAND Gates and TTL ICs with clock pulse generation.

Specifications
  • RS & D Flip Flop (IC 7400/7410)
  • JK & T Flip Flop (IC 7410)
  • D Flip Flop — IC 7474
  • JK Flip Flop — IC 7476
  • Variable clock pulse generator
  • SET/RESET/CLOCK inputs
  • Q and Q-bar LED output indicators
RS Flip FlopJK Flip FlopD Flip FlopTTL ICs
Manufactured
Encoder & Decoder Trainer Kit

Encoder & Decoder Trainer Kit

Study of Encoder and Decoder circuits with BCD to 7-Segment LED display for digital electronics labs.

Specifications
  • Priority Encoder: IC 74148 (8-to-3)
  • Decoder: IC 74138 (3-to-8)
  • BCD-to-7-Segment: IC 7447
  • 7-Segment LED display output
  • 8 logic input toggle switches
  • Color-coded banana jack terminals
  • Separate ON/OFF power switch
74138741487-SegmentBCD
Manufactured
4-Bit Counter Trainer Kit

4-Bit Counter Trainer Kit

Study of Synchronous & Asynchronous 4-bit counters with up/down, carry, borrow and load operations.

Specifications
  • Ripple counter: IC 7476 (JK FF)
  • Synchronous UP/DOWN: IC 74193
  • Presettable counter: IC 74191
  • NAND gate logic: IC 7400
  • Carry & Borrow LED indicators
  • LOAD, CLR, UP/DOWN controls
  • External clock pulse input
SynchronousAsynchronous7419374191
Manufactured
Adder & Subtractor Trainer Kit

Adder & Subtractor Trainer Kit

Study of Half and Full Adder/Subtractor arithmetic circuits with carry/borrow LEDs.

Specifications
  • Half Adder — X-OR + AND gates
  • Half Subtractor circuit
  • Full Adder — X-OR + AND + OR
  • Full Subtractor circuit
  • Sum/Difference (S/D) LED outputs
  • Carry/Borrow (C/B) LED outputs
  • Input switches X, Y, Z
Half AdderFull AdderSubtractorArithmetic
Manufactured
ADC & DAC Converter Kit

ADC & DAC Converter Kit

Dual-purpose DAC 0800 and ADC 0804 converter trainer for analog/digital conversion experiments.

Specifications
  • D/A Converter: IC DAC 0800 (8-bit)
  • A/D Converter: IC ADC 0804 (8-bit)
  • OPAMP buffer output stage
  • 10K potentiometer analog input
  • Analog output measurement terminals
  • 8 toggle switch logic inputs
  • 8 LED digital output indicators
DAC 0800ADC 0804OPAMP8-Bit
Manufactured
Power Supply with Breadboard

Power Supply with Breadboard

Study of Half Wave, Full Wave & Bridge Rectifier with voltage regulators and full breadboard.

Specifications
  • AC source: 6V-0V-6V outputs
  • Diodes: 1N4007 x4, Filter: 1000uF/25V
  • Choke inductor: 100mH
  • 5V Regulator: IC 7805
  • 12V Regulator: IC 7812
  • 100uF/25V, 220-ohm components
  • Full-size solderless breadboard
78057812RectifierBreadboard
Manufactured
8085 Microprocessor Trainer KitAvailable

8085 Microprocessor Trainer Kit

Professional 8085 trainer (ME-1302) for architecture study, assembly programming and peripheral interfacing.

Specifications
  • Processor: Intel 8085A CPU
  • Battery-backed RAM + ROM memory
  • Multiplexed 7-segment address/data display
  • Hex keypad with RESET, VCT, SHIFT keys
  • 50-pin I/O expansion bus connector
  • Experiments: assembly, interrupts, I/O
  • Wooden protective enclosure
8085 CPUAssembly Lang.InterruptsI/O Ports
Supplied
4-Bit Shift Register Trainer Kit

4-Bit Shift Register Trainer Kit

Study of SISO, SIPO, PISO, PIPO shift register modes. Demonstrates serial/parallel data transfer in sequential circuits.

Specifications
  • Serial In Serial Out (SISO) mode
  • Serial In Parallel Out (SIPO) mode
  • Parallel In Serial Out (PISO) mode
  • Parallel In Parallel Out (PIPO) mode
  • Clock pulse control input
  • Data input switches & LED outputs
  • Uses 74164/74165/74166 TTL ICs
SISOSIPOPISOPIPO
Manufactured
16x1 Mux & 4x16 Demux Trainer Kit

16x1 Mux & 4x16 Demux Trainer Kit

Study of 16-to-1 Multiplexer and 1-to-16 Demultiplexer. Demonstrates data routing and channel selection.

Specifications
  • 16-to-1 Multiplexer: IC 74150
  • 1-to-16 Demultiplexer: IC 74154
  • 4 selection line inputs (A,B,C,D)
  • Enable control input
  • 16 data input switches
  • 16 LED output indicators
  • 2mm banana jack terminals
MultiplexerDemultiplexer16x174150
Manufactured
2mm Banana T-Connector Cables

2mm Banana T-Connector Cables

High-quality 2mm banana plug connecting cables in red and black for all electronics lab trainer kits.

Specifications
  • 2mm banana plug on both ends
  • Available in red and black
  • High-conductivity copper wire
  • PVC flexible insulation
  • Various lengths available
  • T-connector and standard plug types
  • Compatible with all RB Electronics kits
2mm BananaRed & BlackT-ConnectorLab Cable
Accessory

Our Services

Manufacturing, maintenance and training — complete lifecycle support

What We Offer

Three Core Services

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Manufacturing

We design, fabricate and test every training kit in-house at our Kathmandu facility with complete quality control from component to delivery.

  • Digital logic trainer kits
  • Microprocessor & microcontroller kits
  • Analog & digital lab equipment
  • Custom & bulk institutional orders
  • All kits quality-tested (OK-tested label)
🔧

Repair & Maintenance

Professional PCB-level diagnosis and repair of all electronics lab equipment with genuine component replacement and quick turnaround.

  • PCB-level fault diagnosis
  • IC & component replacement
  • Calibration & testing
  • Cable and connector repair
  • Preventive maintenance contracts
🎓

Training & Support

Hands-on technical training for students and instructors on lab equipment operation, experiment setup and best practices.

  • Equipment operation training
  • Lab experiment guidance
  • Lab setup and commissioning
  • Post-installation support
  • Student training sessions
How We Work

Our Process

From inquiry to delivery — simple, transparent and reliable.

01

Inquiry

Contact via phone, WhatsApp or email with your requirements and quantity.

02

Quotation

We send a detailed quote with pricing, specifications and lead time.

03

Manufacturing

Your order is manufactured and rigorously quality-tested at our facility.

04

Delivery

Secure packaging and delivery to your institution across Nepal.

Ready to Order?

Get a Quote Today

Contact us with your requirements for a competitive quote.

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Contact Us

Have a requirement? We'd love to hear from you.

Let's Talk

Whether you need a single kit or bulk equipment for your institution, we're here with the right solution at the right price. Reach us on WhatsApp for the fastest response.

Address

Kumarigal, Kathmandu-08
Kathmandu, Nepal

Phone / WhatsApp

+977 986-0010940

Send an Inquiry