Projectech — You Select, We Create | Learn | GrowCustom Project
A LITTLE DIRECTION

Project guides.

Practical notes to help you choose, plan and understand your project.

Technical illustration of a quadcopter drone with a thermal sensor pod flying over power lines at dusk, with a warm orange glow on one overheating conductor.IoT and Electronics engineering students with basic knowledge of sensors, microcontrollers and drone flight.

How Thermal Drones See Heat: LiDAR, mmWave Radar and Thermal Imaging for Inspection

A thermal inspection drone finds overheating joints on power lines from the air, using three different sensors: a thermal camera that reads heat, a LiDAR that holds altitude, and a mmWave radar that keeps working in fog. This guide explains how each sensor works — microbolometers and emissivity, time-of-flight ranging and beam geometry, FMCW radar and distance gates — and how a student team can honestly build the same architecture at lab scale, using the DJI Matrice 5T launch as the reference.

Read guide Blueprint illustration of offline apps and tools: an Android phone in airplane mode, a document scanner, a first-aid kit with a phone, an open recipe book, a laptop showing a kanban task board, and a LoRa weather station over farm rows.Students who want an app or tool that keeps working with no signal: Android apps, desktop tools and one LoRa field device, all storing their data on the device.

Best 10 Offline Apps & Tools That Work Without Internet

Ten offline-first projects picked from the published Projectech catalog: six Android apps (language learning, document scanner, first-aid guide, grocery list, bus timetable, recipe book), three desktop tools (kanban board, PDF redaction, mind map) and one LoRa farm weather station that logs to an SD card. Every entry links to its live project page, and every detail comes from that page.

Read guide Technical illustration of a web browser window showing an HTTP response with status line 200 OK, beside a small table listing status codes 200, 301, 404 and 500 with short labels.B.E./B.Tech Computer Science and IT students building web apps and REST APIs who need to understand and debug HTTP responses

HTTP Status Codes Explained: What 200, 404 and 500 Mean for Student Web Apps

Every web request ends with a three-digit status code. This guide explains the five code families, the ten codes students meet most, when your own API should return each one, and how to debug failures with curl.

Read guide Technical illustration of a web app search interface: a search box above a list of book results, with a database and ranking arrows showing how a query becomes ordered results.B.E./B.Tech Computer Science and IT students building a web app with a search box, such as a library, hostel, or notes portal

How to Add Search to a Student Web App: Filtering, Pagination and Full-Text Basics

A search box is a small pipeline: match, rank, page, and respond fast. This guide compares browser filtering, SQL LIKE, and full-text search, then covers pagination, debouncing, and the mistakes that make student-app search slow or useless.

Read guide Technical illustration of a multi-tool 3D printer: three print heads docked on a horizontal rail above a print bed, with one head lowered and printing a small part, in blue blueprint style with orange accents.Electronics and IoT engineering students studying 3D printing, with basic knowledge of printers, microcontrollers and G-code.

How Multi-Tool 3D Printers Work: Tool-Changers, Docking and Fast Material Swaps

A multi-tool 3D printer carries several complete print heads and swaps them mid-print, so each material keeps its own nozzle, heater and filament path. This guide explains how docking, per-tool heaters, pre-heating and Z-offset compensation make that work, why single-nozzle printing wastes time and filament on purge towers, and what a student can honestly build with three tools instead of nine, using the Bambu Lab H3C launch as the reference.

Read guide Blueprint-style illustration of a single white document page divided into five horizontal bands, with a magnifying glass over the top band, on a navy grid background.BTech students writing the abstract for an IEEE base-paper project, for Phase-1 submission, a guide review meeting, or the final report.

How to Write the Abstract for Your IEEE Base-Paper Project

A step-by-step guide to writing the abstract for an IEEE base-paper project: the five-sentence structure (problem, base method, own feature, evaluation, scope), the 150–250 word budget, Phase-1 vs Phase-2 versions, a worked Phase-1 example built on a verified base paper, and the checklist and send-back table your guide actually uses.

Read guide Blueprint illustration of music and audio projects: an Android phone playing music, a Class-D amplifier board with heatsink, an ESP32 spectrum analyzer with OLED bars, a Bluetooth audio receiver and an FM radio tuner with a whip antenna.Students who want a music or audio project they can demo: players, editors, recommenders, classifiers, amplifiers, Bluetooth audio, spectrum analysis and FM radio.

Best 10 Music & Audio Projects Students Actually Build

Ten music and audio projects picked from the published Projectech catalog: an Android music player with sleep timer, a desktop library organizer, a browser audio trimmer, a Spotify playlist recommender, a GTZAN genre classifier, a Carnatic raga recognizer, a Class-D amplifier, an ESP32 Bluetooth audio receiver, an FFT spectrum analyzer and an FM radio receiver. Every entry links to its live project page.

Read guide Technical illustration comparing three temperature sensors: a thermocouple probe, a platinum RTD element, and a small bead thermistor, with a temperature scale beside them.Electronics, IoT and Mechatronics students choosing a temperature sensor for a project, or interfacing one with Arduino or ESP32

Thermocouple vs RTD vs Thermistor: Choosing a Temperature Sensor

Thermocouple, RTD and thermistor work on different physics and each wins in a different corner of the range, accuracy and cost triangle. This guide compares them, gives a four-question selection routine, and shows the wiring and code for reading each one on a microcontroller.

Read guide Technical illustration of a CNC milling machine cutting a metal workpiece, with a G-code program listing and coordinate axes shown beside the machine.B.E./B.Tech Mechanical and Mechatronics students learning CNC programming, or building CNC milling and 3D-printer projects

G-Code Basics for CNC: The Commands Students Actually Use

G-code is the language every CNC machine reads, and about fifteen commands cover nearly everything a student program does. This guide explains the coordinate system, the essential codes, a complete worked pocket-milling program, canned cycles for drilling, and the five mistakes that scrap parts.

Read guide