GSAS Motor & Control Modules

The GSAS Motor and Control Modules are a set of six interface modules that bring real-world control system concepts into the microprocessor lab. Rather than working with abstract I/O patterns, students program actual motors, simulate elevator operation, sequence traffic lights, implement logic control, and manage real-time clock functions, bridging the gap between microprocessor theory and practical embedded control applications. Each module connects to GSAS microprocessor trainer kits through the standard bus connector.

These modules transform standard interfacing experiments into engaging, visual demonstrations of embedded control. The DC motor module includes a motor with driver circuit for speed control experiments, teaching PWM generation concepts. The stepper motor module provides a unipolar/bipolar stepper with 2N3055 driver for precise positioning experiments. The elevator simulator uses LEDs and switches to model a multi-floor elevator system, requiring students to implement scheduling algorithms and state machines. The traffic light controller uses a realistic LED arrangement to teach sequential timing and state-based control.

The logic controller module introduces programmable logic concepts through switch configurations, while the real-time clock (RTC) module provides hands-on experience with timekeeping ICs, BCD time format handling, and alarm/interrupt-driven scheduling, skills directly applicable to industrial automation and data logging systems.

Module Overview

Module	Key Components	Function	Typical Experiments
DC Motor	DC motor + driver circuit	Speed control	PWM speed control, speed measurement
Stepper Motor	Unipolar/bipolar stepper + 2N3055 driver	Precise angular positioning	Full-step, half-step driving, speed ramp profiles
Elevator Simulator	LED array + switches + logic	Multi-floor elevator model	State machine design, floor request queuing, scheduling algorithms
Traffic Light Controller	Red/yellow/green LED sets	Intersection traffic control	Timed sequencing, pedestrian crossing, sensor-triggered modes
Logic Controller	Switches + indicators	Programmable logic control	Ladder logic concepts, sequential control, interlocking
Real-Time Clock	RTC IC (DS1307 or equivalent)	Timekeeping and scheduling	Time read/write, alarm setting, interrupt-driven clock, BCD handling

Specifications

Parameter	Value
DC Motor	DC motor with driver circuit (no direction control)
Stepper Motor	Unipolar/bipolar with 2N3055 driver
Elevator	4-floor LED model with call/direction indicators
Traffic Light	4-way intersection with pedestrian crossing
RTC	I2C interface, battery backup, alarm output
Bus Interface	Standard GSAS trainer bus connector
Power	Supplied from trainer kit (motor modules may need external 12V)

Why GSAS

GSAS manufactures these motor and control modules in Bangalore, ensuring durable mechanical and electrical construction suited for heavy lab use. The real-world nature of these modules, actual spinning motors, visible elevator simulations, and realistic traffic light sequences, significantly improves student engagement compared to purely LED-based I/O experiments. Colleges benefit from volume pricing for complete lab setups and direct technical support from the GSAS education products team.

Products are available for immediate purchase through the GSAS online store (“Buy on Store”) or through direct engagement for institutional and volume orders (“Request Volume Pricing”).