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MiciMike Google Home mini drop-in PCB by iMike78
Laszlo Dec 07,2025
MiciMike drop-in PCB replacement for Google Home Mini (Gen-1)MiciMike Home Mini is a drop-in PCB replacement for the "Google Home Mini" (Google's first-generation smart speaker hardware with a Micro-USB charging port, but based on ESP32 and XMOS microcontrollers for running open-source firmware.This is a fully open-source hardware project, taking some concep inspiration from the Onju Voice however aiming to follow Open Home Foundation's open voice assistants standard with Home Assistant Voice Pr...
DIY ESP32 Home Automation
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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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Carte ESP32-S3 de test/dev (prog UART)
TOMSKI Dec 03,2025
Découvrez cette carte de test et développement ESP32-S3, programmable en UART (puis OTA, si souhaité).Les modules ESP32 (SoC) compatibles/soudables sur cette carte sont les suivants :ESP32-S3-WROOM-1-N4 : 4 MB Flash, sans PSRAMESP32-S3-WROOM-1-N8 : 8 MB Flash, sans PSRAMESP32-S3-WROOM-1-N16 : 16 MB Flash, sans PSRAMESP32-S3-WROOM-1-N4R2 : 4 MB Flash, 2 MB PSRAMESP32-S3-WROOM-1-N8R2 : 8 MB Flash, 2 MB PSRAMESP32-S3-WROOM-1-N4R8 : 4 MB Flash, 8 MB PSRAMESP32-S3-WROOM-1-N8R8 : 8 MB Flash, 8 MB PSRA...
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Universal Smart-Home Modular Hub
Matos Borges Nov 30,2025
Universal Smart-Home Modular HubA compact, scalable, multi-protocol communication platform designed for modern smart homes. Built around a powerful ESP32-S3, with plug-in radio modules for Zigbee/Thread and Proprietary RF. Reliable power architecture, clean RF design, and automatic module detection. OverviewThis system uses a three-board modular hub architecture:1) Main Board – ESP32-S3 ControllerContains the ESP32-S3 with native Wi-Fi + Bluetooth LE, full power management, Ethern...
8th Design Contest-Electronic Project Home Automation IOT
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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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IoT-Based Automatic Street Light Controller Using ESP32
Poudel Nov 27,2025
IntroductionThis system uses ESP32 modules to control street lights through a centralized IoT server.Each street light is equipped with an ESP32 which connects to the same Wi-Fi network.A central server or cloud dashboard sends commands to all street light control unit.For Full Project:https://electronicsworkshops.com/iot-based-automatic-street-light-controller-using-esp32/Bill Of materials1) ESP32 (one per light or per group)2) Wi-Fi router (for network)3) LED driv...
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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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Single Digit Nixie Clock
Knezevic Nov 23,2025
A small project combining ESP32 with a vintage Soviet Nixie tube from the 70’ to create an artistic clock. Originally developed on ESP8266/Arduino, now evolved to ESP32 with ESP-IDF for greater performance and stability.For more details follow project logs on my personal blog.Some of the key features:Shows current time (hours and minutes) on a single nixie tube.Configurable RGB LED backlight lights up the nixie tube every second.USB powered.Hosts a web server for easy setup & configuration.S...
Clock ESP32 LED
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ESP32-C3 - Bare Bones DevKitM - Ultra Low Power
Solutions Nov 22,2025
Create a simplified custom PCB based on the ESP32-C3-DevKitM-1This board is designed to consume as little power as possible while in deep sleep. Ideally 5uF as per the ESP-32 datasheet. To this end the Voltage Regulator, RGB LED, Power LED and USB-UART interface have been removed. Leaving just the MCU, Reset/Boot button and header pins.The board will need to be powered directly with a power source between 3.0 and 3.6v. It is important that the voltage never exceed 3.6v. Regular Lipo ba...
DIY ESP32 IOT
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f32 - an extremely small ESP32 board
K Nov 22,2025
The f32 is an ultra-compact ESP32 development board designed to mount directly behind a USB-C receptacle. The PCB measures just 9.85 mm x 8.45 mm. It's powered by the ESP32-C3FH4 microcontroller and was created primarily for research and as a bit of a stress test for the ESP32, since it intentionally ignores many standard design guidelines. There's only one exposed GPIO and it is connected to an onboard LED, so most of the development on here would be more catered for wifi/web. To test...
8th Design Contest-Electronic Project ESP32 IOT
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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 ...
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...
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 ...
🔋 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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