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Latest Project

Everything ESP ESP32-S3 Based Weather Monitoring System with LVGL

August 18, 2026 by Rachana Jain

Arduino Project
Long-Range Appliance Control Using Arduino and RYLR999 LoRa

Long-Range Appliance Control Using Arduino and RYLR999 LoRa

August 17, 2026 by Rachana Jain

Arduino Project
Getting Started with the Heltec WiFi LoRa 32 V4

Getting Started with the Heltec WiFi LoRa 32 V4

This project is a practical guide to getting started with the Heltec WiFi LoRa 32 V4, an ESP32-S3-based development board that combines LoRa, Wi-Fi, Bluetooth, an OLED display, native USB, battery management, and GNSS connectivity.

August 16, 2026 by Rachana Jain

Everything ESP Project
Simple Object Recognition with the UNIHIKER K10 – No TensorFlow, No Internet, No Cloud AI

Simple Object Recognition with the UNIHIKER K10 – No TensorFlow, No Internet, No Cloud AI

This project demonstrates that practical object recognition does not always require complex machine learning frameworks. Using only the built-in camera, display, and processing power of the UNIHIKER K10, it is possible to create a simple, fast, and effective object recognition system that can be trained directly by the user.

August 15, 2026 by Mirko Pavleski

Arduino Project
Arduino 4-Channel Relay Control Project

Arduino 4-Channel Relay Control Project

This project demonstrates how to control multiple external loads using an Arduino Uno and a 5V 4-channel relay module. The Arduino controls each relay independently, allowing a DC motor and individual RGB LED channels to be switched using separate outputs.

August 12, 2026 by Rachana Jain

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Industrial IoT
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Custom Project
4 Mechatronics and Automation Projects, Quickly Explained

4 Mechatronics and Automation Projects, Quickly Explained

August 11, 2026 by Bob Odhiambo

Analog Project
DIY PCL82 Tube Amplifier,  Single-Ended  Amp with Amazing Sound

DIY PCL82 Tube Amplifier,  Single-Ended  Amp with Amazing Sound

In this project, I convert a classic PCL86 single-ended tube amplifier design to operate with the less common PCL82 vacuum tube. Powered entirely from compact DC-DC converters, this amplifier delivers maximum 2W of warm tube sound with absolutely no audible hum or switching noise.

August 08, 2026 by Mirko Pavleski

Android Tutorial
Preparation Guide for Software Engineer Interview Questions|SimpleApply 

Preparation Guide for Software Engineer Interview Questions|SimpleApply 

Getting into software engineer jobs today is not as simple as just knowing how to code. Reality is, the competition is intense. Whether you are applying for engineering jobs, data engineer jobs, or entry-level jobs, most companies now filter candidates through structured interviews that test both technical ability and how you think under pressure.

August 05, 2026 by Roxy Ahamay

Raspberry Pi Project
Nix Robot - DIY Humanoid

Nix Robot - DIY Humanoid

Bipedal humanoid robot with autonomous gaits and other moves. DIY builds are easy to make for students and teachers of robotics. Started as an educational project, it evolved into a rapidly expanding ecosystem of open-sourced STL and CAD files, codebase, and community around it. Features possible AI/ML integration and device expansion.

August 04, 2026 by Nix Robot

Arduino Project
Nix Robot - DIY Humanoid

Simple MCP2036 SDR Radio - The Most Unusual Software Defined Radio

In this project I demonstrate an extremely simple Direct Conversion SDR Receiver based on the Microchip MCP2036 IC. With only a handful of passive components and an external VFO, this unusual circuit becomes a surprisingly capable SDR front-end covering frequencies up to approximately 10–15 MHz.

August 01, 2026 by Mirko Pavleski

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