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Guard Eye- AI-Powered Security System
Dec 16,2025
The AI-Powered Security System is a monitoring system that uses the ESP32-CAM and sensors to detect motion, door activity, and capture images when suspicious movement occurs. It combines IoT and AI-based image recognition to enhance home and office security, providing a cost-effective and reliable surveillance setup.FeaturesCaptures real-time images using ESP32-CAMSends captured images to a Telegram chat via a botAnalyzes each image with Imagga for label detection and recognitionOperat...
8th Design Contest-AIoT Project Arduino Home Automation
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WaterIT — Smart Irrigation and Plant Care System
Sahu Dec 13,2025
WaterIT is a smart plant watering and care system that I built to solve a problem I kept seeing around me: plants were either getting too much water or not enough, simply because people were guessing. At home and in school gardens, watering was usually done on a fixed schedule without checking soil condition, weather, or the type of plant. This often led to wasted water and unhealthy plants. I wanted to build something simple, affordable, and intelligent that could take decisions on its own and ...
8th Design Contest-Electronic Project arduino ai
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How to make simple Variable HIGH VOLTAGE Power Supply
Pavleski Dec 11,2025
 High Voltage Power Supply is usually understood as a device that is capable of generating a voltage of several kilovolts, or even tens and hundreds of kilovolts. Most often, these power supplies give a certain voltage at their output. When experimenting with high voltages, we almost always need a variable value of the generated high voltage. There are several ways to achieve this, and in this project I will try to implement and explain all of these ways in one device. Of course, I will try...
8th Design Contest-Electronic Project DIY USB
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DIY 5-Day Rainfall Forecast Device - ESP32 E-Paper Project
Pavleski Dec 05,2025
 In several of my previous projects I have presented ways to make weather stations, but this time I decided to make it a specialized device with a strictly defined purpose. Namely, at least in my experience, the basic weather information for planning any activity in the coming days is whether there is a chance of rainfall in that period. Unfortunately, in commercial, and even most DIY weather stations, this information is either not available at all or is quite brief in the form of a curren...
Arduino ESP8266 ESP32
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E-Dimmer 0-50V 4 fach
Emmering Nov 30,2025
E-Dimmer 0-50V 4 fach
Arduino DIY LED
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Magspoof with Arduino Nano
Petreski Nov 29,2025
This project uses an Arduino Nano as a small controller that manages electrical timing for an electromagnetic coilThe Arduino sends digital signals that determine when the coil should activateBecause the coil needs more current than an Arduino pin can safely provide, the L293D motor driver is includedThe L293D contains dual H-bridge circuits that can drive inductive loads in a controlled wayIt allows the current through the coil to flow forward or reverse, letting the magnetic polarity changeThe...
8th Design Contest-Electronic Project
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Build simple Retro Style VFO (Variable frequency oscillator) with Crowoanel 1.28 inch Round Display
Pavleski Nov 28,2025
 Today I received a shipment with a Small round LCD display from Elecrow. The device is packed in two boxes so that it is fully protected from damage during transportation. Inside there is a display, a USB cable for power and communication, as well as an additional cable for connecting an external module. This is CrowPanel 1.28inch-HMI ESP32 Rotary Display 240*240 which has some really impressive features:- high-performance ESP32-S3 chip- WiFi and low-power Bluetooth- capacitive touch ...
Arduino ESP8266 ESP32
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2 Channel PWM to Analog converter
YT Nov 27,2025
This is a PWM to analog voltage converter. Given an input PWM the output will be proportional to the duty cycle of the PWM signal.It can work with any MCU, arduino, esp32, stm32 etc.. As long as the supply at the circuit is 3V-40V (tested up to 35V). For example a 1.8V (or less) pwm signal can be used as an input but you should power the circuit with at least 3VThere is an adjustable RC filter whose cutoff frequency can be adjusted from 33mHz to 33HzThe circuit offers also the possibility to app...
Arduino ESP8266 ESP32
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DIY Geiger Counter
Wohlfahrt Nov 25,2025
This project is a DIY Geiger counter built from scratch, designed for electronics enthusiasts and makers who want to explore radiation detection while learning new skills like PCB assembly and hotplate soldering. The counter features a retro-style five-digit seven-segment display and is fully functional with configurable settings. You can check out the blog on Instructables: https://github.com/KonradWohlfahrt/GeigerCounter
Arduino DIY Sensor
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Aerobus+___
Soni Nov 24,2025
Detailed Description of the RP2040 + SD Card + Flash + MPU6050 ModuleThis custom module integrates the Raspberry Pi RP2040 microcontroller with onboard flash memory, an SD card slot, and an MPU6050 6-axis motion sensor, forming a compact and versatile platform for data acquisition, motion analysis, and embedded control systems. Designed for both prototyping and final-product integration, the module minimizes wiring complexity by combining processing, storage, and sensing on a single board.Core P...
3D printing SLA Arduino
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Popular Project
A Modified zFlip 5
With many Samsung zFlip phones hitting the unfortunate fate of a broken folding screen, I took it as an opportunity to build my own silly phone. Taking only the minimum parts required for the phone to...
ESP32-BlueJammer
The ESP32-BlueJammer (Bluetooth jammer, BLE jammer, WiFi jammer, RC jammer) disrupts various devices using an ESP32 and nRF24 modules, causing plenty of noise and sending unnecessary packets (DoS).It ...
Air Quality Monitor
The Air Quality Monitor is a compact, ESP32-C3–based device designed to track and display key indoor environmental metrics in real time. At its core, it integrates the Sensirion SEN54 for particulate ...
Flipper Zero Dev Board: BW16 RTL8720DN 2.4 GHz & 5 GHz Deauther
Upgrade your Flipper Zero with the AI Thinker BW16 RTL8720DN Dual-Band WiFi Expansion Board. Enhance your device's connectivity capabilities with support for both 2.4 GHz and 5 GHz WiFi bands. Perfect...
🔋 How to Make a Power Bank Module at Home
Are you looking to build your own DIY power bank at home? In this blog post, we’ll show you how to create a powerful and efficient power bank module using commonly available components like the TP4056...
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