Project Portfolio

Explore custom embedded electronics, OEM/ODM product development, and project examples in industrial IoT, SCADA, data acquisition, medical devices, railways, telecom, geophysical instrumentation, and automation. The portfolio includes selected production programs and repair assignments; contact us about availability or a new requirement.

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TLD & Key-Fob Locker Systems

Controlled-access locker systems for TLD badges and key fobs, with RFID and touch-screen controls in 32- and 64-compartment configurations.

RFID access control

Touch-screen operation

TLD badge and key-fob storage

+1 more

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Hydro Power Plant SCADA

SCADA project for two hydro power plants, monitoring water levels, turbine and power status, and breakers. The gallery includes a Khodri power station line view. The plants exchange data over PLCC, with RS485 links to field sensors.

Water-level monitoring

Turbine and breaker status

PLCC between plants

+1 more

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Drilling Pressure Monitoring

Miniature downhole pressure and temperature recording electronics for drilling measurements, shown with the sensing assembly, associated PCB, and pressure recorder software interface.

Downhole pressure recording

Temperature recording

Sensor and electronics assembly

Repair Service

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Ground Penetrating Radar Equipment

Ground penetrating radar equipment. Contact our team for configurations and technical specifications.

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Respiratory Humidifier

Respiratory humidifier control project using closed-loop PID regulation of temperature and humidity, developed in basic and servo-controlled configurations.

Closed-loop PID control

Temperature regulation

Humidity regulation

+1 more

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Laundry Monitoring System

A conveyor-based laundry monitoring system that scans clothing with gamma detectors above and below the belt. Suspected items are stopped, reversed, and checked again.

Top and bottom gamma detection

Automatic conveyor stop

Reverse and re-test sequence

+1 more

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Auto Temp

A contactless self-screening device for human body temperature checks. Ideal for receptions, factories, and corporate offices to ensure safety with audio-visual alarms.

Contact-less IR Sensor

Large LED Display

6+ Hours Battery Backup

+1 more

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Smart Health Monitoring

Fitness equipment monitoring with NFC or RFID user sign-in, motion-based repetition and set counting, and Wi-Fi reporting to a cloud dashboard.

NFC or RFID sign-in

Accelerometer and gyroscope sensing

Repetition and set counting

+1 more

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Free Cooling Unit (FCU)

Enables optimum cooling for Telecom shelters with minimal power consumption. Regulates ACs and fans based on precise temperature and humidity logic.

Intelligent Logic Control

Energy Efficient

USB Data Logging

+1 more

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Fan Controller

Configurable fan control for telecom equipment shelters, with temperature-sensor inputs, local status indication, and alarm outputs.

Multiple fan control

One or two temperature sensors

LED or seven-segment indication

+1 more

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Access Control System (ACS)

RFID-based access control for telecom equipment shelters, with entry records and networked reporting for remote oversight.

RFID access credentials

Entry-event logging

Networked reporting

+1 more

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Production Display (PD)

Real-time monitoring of assembly line metrics. Displays expected vs actual production data to identify bottlenecks and lead/lag times.

Large 7-Segment/LED Display

WiFi/Ethernet/RS-485

Automated Sensing

+1 more

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Industrial IoT Shop Floor Data Capture

Shop-floor data capture for production and reject counts, downtime, and operator sign-on. Records can be reviewed through cloud and mobile views. The image is illustrative; contact our team for current hardware details.

Production and reject counts

Operator sign-on

Downtime reporting

+1 more

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Tri-axial Accelerometer

Three-axis accelerometer with synchronized triggering, onboard data storage, and USB configuration and download. Companion Windows software supports plotting and calibration.

Three-axis measurement

2 GB storage

Synchronized triggering

+1 more

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GSM Remote I/O

Monitor and control remote inputs/outputs from anywhere via GSM. Ideal for power plants and factory automation where fiber isn't available.

Global GPRS Access

TCP/IP Protocol

Configurable I/O

+1 more

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Industrial GSM Modem

A rugged wireless modem for 2G networks, offering Serial and USB connectivity. Supports full TCP/IP stack and industrial-grade temperature performance.

Quad-band GSM/GPRS

Full TCP/IP Stack

-40°C to 85°C Operation

+1 more

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Vigilance Control Device

Locomotive vigilance control that monitors driver activity through hand and foot switch resets, issues warnings after inactivity, and records events. A timed escalation can apply the brakes.

Driver activity monitoring

Hand and foot switch resets

Warning and brake escalation

+1 more

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Automated Test Bench

Automated test bench for locomotive relays, contactors, pantographs, controllers, rotating machines, and compressors. It runs programmed test sequences with local display and RS485 communication.

Programmed test sequences

Locomotive component coverage

Local LCD interface

+1 more

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Automated Caution Order

GPS-based railway caution alert system that compares the train location with stored route coordinates and presents the relevant caution message, flasher, and buzzer warning.

GPS coordinate matching

Stored route cautions

Message and flasher alerts

+1 more

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Industrial Process Counter

Networked production counter for assembly lines, with centralized collection of production data and non-volatile records through a power interruption.

Production count capture

Networked reporting

Non-volatile records

+1 more

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Vehicle Tracking System

Low-power GPS and cellular tracking electronics for equipment or vehicles, with SMS and GPRS communication and theft-alert applications.

GPS positioning

SMS and GPRS communication

Low-power operation

+1 more

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Home Automation Hub

Cloud-based control for home appliances via mobile apps. Supports scheduling for water pumps, geysers, and lighting systems.

WiFi/GPRS Connectivity

Cloud Management

Unlimited Scheduling

+1 more

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Robo Cooker

An automated machine for traditional Indian cooking. Dispenses ingredients and follows pre-defined recipes using precise motor control.

Traditional Cooking Cycles

Recipe Memory

Keypad Selection

+1 more

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Drilling Measurement Module

Downhole drilling measurement module with synchronized accelerometer, magnetometer, and gyroscope sensing electronics.

Synchronized motion and orientation measurements

Accelerometer, magnetometer, and gyroscope modules

Compact PCB module

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GPS-GSM Theft Detection System

Product flow visual for a GPS/GSM theft-detection system associated with seismic recording equipment. Contact our team for availability and specifications.

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Wearable Health Monitoring Concept

Concept renderings of a wearable monitor and companion hub, including an early draft view. Contact our team to discuss development status and specifications.

Engineering projects across sectors

These examples come from the company profiles and describe past development and repair work. Please contact us to discuss current designs, availability, and project requirements.

Fire Detection & Notification

Eight-zone fire panel development with RS485 Modbus communication, alongside remote SMS, voice, SIA, and web notification interfaces.

Oxygen Concentrator Controls

Control electronics for three solenoid valves, oxygen concentration monitoring, and operating alarms.

Voltage Protection & Stabilization

Voltage cut-off and timer controls, including microcontroller-based automatic stabilization projects.

Energy Meter Reader Interface

Wi-Fi interface designed to transfer energy meter readings to a mobile device.

Actuator Control Electronics

Valve actuator motor control with position feedback and protection, using Ethernet, Wi-Fi, BLE, or RS485 communications.

Mobile Boom Barrier Control

BLE and Wi-Fi barrier operation with offline and online modes, user management, and activity records.

Products and brand names shown are owned by their respective owners; Geotech provides repair, engineering, and electronics manufacturing services and does not claim ownership of third-party products.

Our Products

Ready solutions and products are available below. Contact us for more details.

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Intelligent Serial Device Server

Connect legacy RS232C or RS485 instruments over a local LAN, WAN, or Wi-Fi network to access real-time serial data. Use a serial COM port-based instrument from anywhere as though connected locally.

Over Current Trip Relay

Powered by 220 V AC. Provides a potential-free NC/NO output rated at 10 A when the preset trip current is reached. Trip current can be preset or adjusted from 1 A to 15 A.

Earth Fault Relay

Provides a potential-free NC/NO output rated at 10 A when current in the earth circuit exceeds the preset value. The threshold can be set from 30 A to 100 A. No auxiliary power is required.

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