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Latest Tutorial

Arduino ESP32 C3 Super Mini WiFi Fix - 3 Methods That Work

June 11, 2026 by Ashish Adhikari

Arduino Project
Simple SDR Receiver Using 2x NE612 - Dual Conversion, Superheterodyne (0.1–30 MHz)

Simple SDR Receiver Using 2x NE612 - Dual Conversion, Superheterodyne (0.1–30 MHz)

June 06, 2026 by Mirko Pavleski

Adafruit Playground Project
PowerPD — ESP32 USB-C PD/PPS Programmable Power Supply

PowerPD — ESP32 USB-C PD/PPS Programmable Power Supply

PowerPD is a compact USB-C PD/PPS power supply and PD analyzer built around an ESP32 microcontroller, an AP33772S USB-C PD sink controller,

June 01, 2026 by Raushan kumar

Arduino Project
Air Quality Monitor with Arduino GIGA R1 and DFRobot PM2.5

Air Quality Monitor with Arduino GIGA R1 and DFRobot PM2.5

Will guide you to build an Air Quality Monitor System with Arduino GIGA R1 with DFRobot PM2.5 sensor.

May 31, 2026 by CETECH CETECH

Arduino Project
DIY Vintage TV  VU Meter with peak indicators

DIY Vintage TV  VU Meter with peak indicators

With this project, you can easily turn your old (or new), useless TV into a beautiful retro video effect device.

May 30, 2026 by Mirko Pavleski

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PCB Tutorial
Why High C-Rating Batteries Still Experience Voltage Sag

Why High C-Rating Batteries Still Experience Voltage Sag

May 29, 2026 by Rachel Lau

PCB Tutorial
What Actually Happens Inside a LiPo Battery During Fast Charging?

What Actually Happens Inside a LiPo Battery During Fast Charging?

Inside a LiPo battery, fast charging is far more complicated than simply “pushing more current.” When charging current increases, several electrochemical and thermal processes begin happening simultaneously inside the cell — and some of them can permanently damage the battery if not properly controlled.

May 29, 2026 by Rachel Lau

Arduino Project
Build an IoT Smart Grid with Arduino UNO R4

Build an IoT Smart Grid with Arduino UNO R4

Real-time energy monitoring with Arduino UNO R4 WiFi, PZEM-004T, OLED, and ThingSpeak

May 28, 2026 by Rinme Tom

Arduino Project
Low-Cost Offline Voice Recognition with SU-03T

Low-Cost Offline Voice Recognition with SU-03T

Build an offline voice-controlled system using the SU-03T voice module without cloud processing

May 28, 2026 by Rinme Tom

Arduino Project
Low-Cost Offline Voice Recognition with SU-03T

AI Waste Segregation System Using Arduino

Build a smart Arduino-powered waste sorter using computer vision and Edge Impulse

May 28, 2026 by Rinme Tom

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