Build an ESP32 CAM Telegram bot for remote monitoring. This Telegram camera bot project covers image capture, video recording, and IoT surveillance setup.
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DIY Meshtastic Using ESP32 : Build Your Own Private Off-Grid Network
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Build a diy Meshtastic node using Meshtastic ESP32 and LoRa devices for secure, long-range, encrypted mesh messaging, perfect for off-grid communication.
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Build a Smart ESP32 GPS Tracker with SIM800L and NEO6M Module
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Build a real-time ESP32 GPS Tracker with SIM800L & NEO-6M Module. Track vehicles, assets via GSM with this complete DIY IoT project featuring code, circuit diagram & testing guide.
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Clocked JK Flip Flop: Working, Truth Table, and Circuit Design Guide
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Learn how clocked JK flip-flops work with truth tables, timing diagrams, and circuit designs. Understand toggle, set, and reset operations for digital logic applications.
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DIY UWB Indoor Positioning System using ESP32 and Qorvo DWM3000
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Build a DIY USW indoor positioning system using ESP32 with the Qorvo DWM3000. This tutorial walks you through hardware, firmware, and Python visualisation to create accurate tracking for robotics and IoT projects.
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Wearable Air Quality Monitor Pendant using STM32 and SGP40 Sensor
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Build a smart wearable pendant that tracks air quality with STM32 and SGP40 sensors, alerting users through LEDs and buzzer notifications for real-time environmental awareness.
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Wireless ESP32-Based Stepper Motor Driver with TMC2240
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Learn how to build a wireless stepper motor controller using an ESP32-S3 and TMC2240 driver. This detailed tutorial guides you through wiring, custom PCB design, USB-C PD power management, closed-loop control with an AS5600 encoder, and a browser-based UI with real-time status and RGB feedback. Includes Gerbers, BOM, and full source code.
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Interfacing ESP32 with Thermal Printer using UART ESC/POS
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Technical guide to interfacing ESP32 with thermal printers (PNP-500/RS203) over UART. Explains hardware wiring, power considerations, and implementation of ESC/POS commands for printing text, images, barcodes, and QR codes. Includes detailed circuit diagrams and Arduino code on GitHub.
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Boot Raspberry Pi from USB without SD Card Required
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This hands-on tutorial explains how to ditch unreliable SD cards and boot your Raspberry Pi models 3B, 3B+, 4, and 5 directly from USB or NVMe. It covers setting up USB-boot for each model—from enabling OTP on Pi 3B to updating EEPROM on Pi 4 and using native USB/PCIe boot on Pi 5, boosting speed, reliability, and convenience.
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Build a Cellular GPS Tracker with Raspberry Pi Pico SIM800L
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This step-by-step tutorial walks you through creating a real-time GPS tracker using the budget-friendly Raspberry Pi Pico microcontroller, Neo 6M GPS receiver, and SIM800L GSM module. Learn circuit wiring, Arduino IDE setup, GeoLinker cloud integration, and offline buffering to ensure reliable IoT tracking anywhere.
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Understanding SR Latches: Set-Reset Latch, Gated & Clocked Versions
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Learn the basics of the SR latch, Set-Reset memory circuit, in digital electronics. This tutorial covers truth table, NOR/NAND implementations, gated and clocked variants, and working principles.
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Clocked SR Flip Flop: Complete Guide with Circuit and Truth Table
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Learn how to build a clocked SR flip-flop using NAND gates. Understand its working principle, truth table, and circuit diagram for designing stable digital memory and control logic circuits.
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GT-U16 RTK L1+L5 GPS Module with Arduino
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Learn how to interface the GT-U16 RTK L1+L5 GNSS module with Arduino, decode NMEA data, and analyze real-time satellite signals using iNavTool. Covers RTK concepts, RTCM corrections, and practical setup tips, Perfect for DIY navigation, drones, and mapping applications.
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How to Set a Static IP Address on Raspberry Pi?
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Learn how to set a static IP address on your Raspberry Pi using NetworkManager and nmcli.This tutorial covers step-by-step methods for both terminal and desktop GUI, ensuring reliable network access for SSH, web servers, and IoT projects.
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Arduino GPS Tracker using SIM800L and NEO-6M
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Learn how to build an Arduino-based GPS tracker using the SIM800L GSM module and NEO-6M GPS module.
A complete guide with circuit diagrams, code, and working explanation to set up your GPS tracker.
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Interfacing the A7672S 4G LTE GNSS Module with Arduino
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Learn how to interface the A7672S 4G LTE GNSS module with Arduino for real-time GPS tracking and cellular communication.
This tutorial covers AT commands, SMS, voice, HTTPS requests, and circuit design—ideal for IoT projects in remote or mobile environments.
Compatible with Jio, Airtel, and VI, it's perfect for Indian makers and embedded developers.
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Different Types of Transformers: Step-Up, Step-Down & More
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Learn about different types of transformers, including step-up, step-down, isolation, and autotransformers. Explore their working principles and practical applications in power systems, electronics, and industrial use.
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RFID Based Attendance System Using Arduino - Complete Project Guide
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An Arduino Uno is used in this do-it-yourself RFID attendance system to track students and employees automatically. comprehensive project tutorial that includes LCD interface, circuit connections, programming code, and helpful implementation advice for beginners.
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Gas Leakage Detector Using Arduino: Complete DIY Guide
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Learn how to create a basic gas leakage detection system with Arduino and MQ-5 sensor. A useful DIY project for monitoring flammable gases like LPG and methane. This beginner-friendly project features buzzer and LED alerts, circuit diagram, and complete Arduino code for home safety.
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Simple Water Level Indicator Alarm with Buzzer
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Build a simple water level indicator and alarm circuit using basic electronic components. This DIY project helps monitor tank levels and alerts you when the water reaches a specific height.
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